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{{Infobox Object
{{Infobox Object
|image =The-Sonic-screwdriver-doctor-who-21578461-500-281.jpg
|image       = The Pilot Cup of Sonic.jpg
|name = Sonic screwdriver
|alias       =  
|alias = The sonic
|type       = [[Sonic device]]
|type = Multi-functional sonic device
|made by     = {{il|[[The Doctor]]|[[Romana II|Romana]]|[[The Doctor's TARDIS|The TARDIS]]|[[Santa Claus]]|[[Amy Pond]]}}
|made by = [[The Doctor's TARDIS]] (Mark VIII)
|used by     = [[The Doctor]] and some of their [[companion]]s, [[Stoyn]]
|used by = [[The Doctor]]
|origin     = {{il|[[Gallifrey]]|[[The Doctor's TARDIS|The TARDIS]]}}
|origin = [[The Doctor's TARDIS]] (Mark VIII)
|first      = Fury from the Deep (TV story)
|appearances = [[Sonic screwdriver - List of Appearances|Full List of Appearances]]
|appearances = {{appears}}
|first=Fury from the Deep (TV story)
|clip        = The Master Summons the Sea Devil - The Sea Devils - Doctor Who - BBC
}}
|clip2      = The Sonic Screwdriver is Destroyed! - The Visitation - Doctor Who - BBC
The '''sonic screwdriver''' was a versatile tool and defensive "weapon" used by [[the Doctor]]. He used it primarily as a non-offensive tool to assist him during his adventures. During the course of his travels, most versions were either replaced or destroyed, with the latter being the most frequently occurring of the two ([[TV]]: ''[[The Visitation]], [[Smith and Jones]], [[The Eleventh Hour]], [[A Christmas Carol (TV story)|A Christmas Carol]], [[The Almost People]]''). All models were ineffective against wood - something he found embarrassing and wished to someday overcome.
|clip3      = Race to Save River Song (HQ) - Doctor Who - Forest of the Dead - BBC
|bts        = The Woman Who Fell to Earth Episode 1 Closer Look Doctor Who BBC AMERICA
}}{{you may|Doctor Who: Sonic Screwdriver|n1=the mobile app}}
The '''sonic screwdriver''', also called a '''[[sonic probe]]''' or simply "the '''sonic'''", was a highly versatile [[tool]] used by many people throughout the universe, the most prominent of them being [[the Doctor]].
 
While almost always referred to as a sonic screwdriver, this device has on occasion been referred to as a sonic probe by people other than the Doctor, such as [[Dalek Sec]] ([[TV]]: ''[[Doomsday (TV story)|Doomsday]]'') and a version of [[Amy Pond]] who had been stuck on [[Apalapucia]] for 36 years. ([[TV]]: ''[[The Girl Who Waited (TV story)|The Girl Who Waited]]'') The [[Tenth Doctor|Tenth]] ([[TV]]: ''[[Doomsday (TV story)|Doomsday]]'') and [[Eleventh Doctor|Eleventh]] ([[TV]]: ''[[The Girl Who Waited (TV story)|The Girl Who Waited]]'') Doctors openly disliked this and corrected those who did so. The [[Ninth Doctor|Ninth]] ([[TV]]: ''[[The Doctor Dances (TV story)|The Doctor Dances]]'') and [[Twelfth Doctor]]s ([[TV]]: ''[[The Husbands of River Song (TV story)|The Husbands of River Song]]'') also defended when others claimed it was inferior to other sonic devices like a [[sonic blaster]] or [[sonic trowel]].


== Technology and functions ==
== Technology and functions ==
The sonic screwdriver was considered to be very advanced Gallifreyan technology. ([[PROSE]]: ''[[Heart of TARDIS]]'') The [[Eleventh Doctor]] made a tongue-in-cheek implication that he built the first sonic screwdriver (or an innovative model of one) instead of wooing a woman, something he considered a mistake. ([[TV]]: ''[[A Christmas Carol (TV story)|A Christmas Carol]]'') Other alien races had similar devices, such as the [[sonic pen]] used by [[Cofelia|Miss Foster]] ([[TV]]: ''[[Partners in Crime]]'') and the [[sonic blaster]] obtained by Captain [[Jack Harkness]] and [[River Song]]. ([[TV]]: ''[[The Empty Child]]'' / ''[[The Doctor Dances]]'', ''[[Silence in the Library]]'' / ''[[Forest of the Dead]]'') The name of the device suggests that it functioned using sound waves, although its actual workings were never truly explained.
Identified by the [[Dalek]]s as a "[[sonic probe]]", ([[TV]]: ''[[Doomsday (TV story)|Doomsday]]'') the sonic screwdriver was considered to be very advanced [[Gallifrey]]an technology, ([[PROSE]]: ''[[Heart of TARDIS (novel)|Heart of TARDIS]]'') although the Doctor could make one by using resources found on [[21st century]] [[Earth]] with help from [[Stenza]] technology. ([[TV]]: ''[[The Woman Who Fell to Earth (TV story)|The Woman Who Fell to Earth]]'') During the [[Dalek-Movellan War]], [[Davros]] dismissed the sonic screwdriver as a "simple" tool. ([[AUDIO]]: ''[[The Triumph of Davros (audio story)|The Triumph of Davros]]'')
 
The Mark IV sonic screwdriver used a [[crystal]] similar to the [[Metebelis Crystal]] sought after by the [[Eight Legs]] of [[Metebelis III]]. ([[COMIC]]: ''[[The Forgotten]]'') There were also electrical components. ([[COMIC]]: ''[[The Halls of Sacrifice]]'')
 
The screwdriver had a multitude of settings and different versions of settings. The [[Tenth Doctor]] told Rose to use "setting 15B" to triangulate the source of the ghosts ([[TV]]: ''[[Army of Ghosts]]'') and used 34-H to sink a ship ([[COMIC]]: ''[[Second Wave]]''). It had a setting 85 that undid security codes to unlock doors. ([[TV]]: ''[[The Lazarus Experiment]]'') The [[Ninth Doctor]] told Rose to use setting 2428D to re-attach barbed wire. ([[TV]]: ''[[The Doctor Dances]]'') Sarah Jane used the Theta Omega setting to melt plastic vines. ([[TV]]: ''[[The Android Invasion]]'')
 
The different versions of the Doctor's sonic screwdrivers exhibited different capabilities and uses, such as the interception of signals ranging from transmat beams to conscious thought; ([[TV]]: ''[[The End of the World (TV story)|The End of the World]]'') medical diagnostics and repair of organic parts; ([[TV]]: ''[[The Empty Child]]'', ''[[The Vampires of Venice]]'') cutting, but also re-attaching materials such as barbed wire; ([[TV]]: ''[[The Doctor Dances]]'') operating Earth machinery such as computers and even cash machines (at regular and high eject speeds); ([[TV]]: ''[[School Reunion]]'', ''[[The Runaway Bride]]'') creating a spark to light a candle ([[TV]]: ''[[The Girl in the Fireplace]]''); and, on the rare occasion, driving screws without touching them. ([[TV]]: ''[[The War Games]],'' ''[[The Ark in Space]]'', [http://tardis.wikia.com/wiki/The_Doctor%27s_Wife ''The Doctor's Wife''])
 
Although it was primarily a tool, the sonic screwdriver could also be used as a defensive weapon. The Tenth Doctor put it in a sound board to destroy the [[Robot Santa]]s by overloading their sensors. ([[TV]]: ''[[The Runaway Bride]]'') The [[Eleventh Doctor]] used it to bounce soundwaves off a knife held by [[Melody Pond]], knocking it out of her hand. ([[TV]]: ''[[Let's Kill Hitler]]'') Although the [[Eighth Doctor]] once claimed the device could destroy a Dalek's brain if held directly against the casing when activated, ([[PROSE]]: ''[[War of the Daleks]]'') according to the Tenth Doctor, the device could not be used to wound, maim or kill living things. ([[TV]]: ''[[Doomsday]]'', ''[[The Doctor's Daughter]]'') It could destroy non-living objects or mechanisms or place living creatures in circumstances where they might die, if the situation required. ([[TV]]: ''[[The End of the World (TV story)|The End of the World]]'', ''[[The Christmas Invasion]]'')
 
From time to time, the sonic screwdriver needed to be recharged. ([[PROSE]]: ''[[The Monsters Inside]]'', [[COMIC]]: ''[[Bizarre Zero]]'') It was self-repairing and could send out a homing signal to any parts that had been separated. ([[TV]]: ''[[A Christmas Carol (TV story)|A Christmas Carol]]'') However, it was up to the owner to collect the parts for reassembly.


Sonic screwdrivers and similar technology could not unlock a [[deadlock seal]]. ([[TV]]: ''[[School Reunion]]'') To undo one of these seals, the user would need at least two sonic devices. One such instance was when the Tenth Doctor used his own sonic screwdriver in conjunction with Miss Foster's [[sonic pen]] to open the deadlock seals on and within her own facility when the Doctor's screwdriver alone could not. ([[TV]]: ''[[Partners in Crime]]'') Some or all versions were ineffective against wood, or in the presence of some models of hairdryers. ([[TV]]: ''[[Silence in the Library]]'' / ''[[Forest of the Dead]]'', ''[[The Hungry Earth]]'', [[PROSE]]: ''[[Catastrophea (novel)|Catastrophea]]'')
[[The Doctor]] claimed to have either invented or designed the specific [[the Doctor's sonic screwdriver|sonic screwdriver which they owned]]. In fact, the [[Seventh Doctor]] claimed to have filed a [[patent]] on the technology, ([[AUDIO]]: ''[[The Unknown (audio story)|The Unknown]]'') and to have [[copyright]] on the design. ([[AUDIO]]: ''[[The Quantum Possibility Engine (audio story)|The Quantum Possibility Engine]]'')


== Variants of the Doctor's sonic screwdriver ==
When [[Kazran Sardick]] was confused as to what to do when it looked like [[Abigail Pettigrew]] was about to [[kissing|kiss]] him, the [[Eleventh Doctor]] told Kazran to trust him and kiss Abigail, as "it's this, or go to your room and design a new kind of screwdriver. Don't make my mistakes." ([[TV]]: ''[[A Christmas Carol (TV story)|A Christmas Carol]]'') When Captain [[Jack Harkness]] asked the [[Ninth Doctor]], "Who looks at a screwdriver and thinks 'Ooh, this could be a little more sonic'?", the Doctor defensively responded, "What? You never been bored? Never had a long night? Never had a lot of [[cabinet]]s to put up?" ([[TV]]: ''[[The Doctor Dances (TV story)|The Doctor Dances]]'')
[[File:Doc2Sonic.jpg|thumb|right|The earliest known version of the sonic screwdriver in use. ([[TV]]: ''[[The War Games]]'')]]
=== Mark I ===
The first version was a small, simple device similar to a penlight, used by the [[First Doctor|First]] ([[PROSE]]: ''[[Venusian Lullaby (novel)|Venusian Lullaby]]'') and [[Second Doctor]]. ([[TV]]: ''[[Fury from the Deep]]'') It was used by the [[Eighth Doctor]] after it was destroyed "centuries ago". He explained how this occurred to his [[companion]] [[Samantha Jones]]: "It's a Time Lord tool. [[Time]] doesn't work the same way for Time Lord tools." ([[PROSE]]: ''[[Alien Bodies]]'')


==== Known uses ====
Other individuals had similar devices, such as the [[sonic pen]] (which appeared to serve a near-identical function) used by [[Cofelia|Miss Foster]] ([[TV]]: ''[[Partners in Crime (TV story)|Partners in Crime]]'') and the [[sonic blaster]] used first by Captain [[Jack Harkness]] ([[TV]]: ''[[The Empty Child (TV story)|The Empty Child]]'' / ''[[The Doctor Dances (TV story)|The Doctor Dances]]'') and later [[River Song]]. ([[TV]]: ''[[Silence in the Library (TV story)|Silence in the Library]]'' / ''[[Forest of the Dead (TV story)|Forest of the Dead]]'') [[Sarah Jane Smith]] had her [[sonic lipstick]], ([[TV]]: ''[[Invasion of the Bane (TV story)|Invasion of the Bane]]'', etc.) and the Doctor himself once used a [[sonic cane]]. ([[TV]]: ''[[Let's Kill Hitler (TV story)|Let's Kill Hitler]]'') Even Missy used a [[sonic umbrella]]. ([[TV]]: ''[[World Enough and Time (TV story)|World Enough and Time]]''/''[[The Doctor Falls (TV story)|The Doctor Falls]]'') River Song also had [[River Song's sonic screwdriver|her own sonic screwdriver]] ([[TV]]: ''[[Silence in the Library (TV story)|Silence in the Library]]'' / ''[[Forest of the Dead (TV story)|Forest of the Dead]]'') that the Twelfth Doctor gifted her. ([[TV]]: ''[[The Husbands of River Song (TV story)|The Husbands of River Song]]'')
* Cracking the code for an [[aerodynamic shuttle]]. ([[PROSE]]: ''[[Venusian Lullaby (novel)|Venusian Lullaby]]) ''
* Opening up hatches, panels and control panels. ([[TV]]: ''[[Fury from the Deep]]'', ''[[The War Games]]'')
* For cutting through a section of a wall. ([[TV]]: ''[[The Dominators]]'')
* As a conventional screwdriver (without touching the screws). ([[TV]]: ''[[The War Games]]'')


=== The "Door Handle" ===
From time to time, the sonic screwdriver needed to be recharged. ([[PROSE]]: ''[[The Monsters Inside (novel)|The Monsters Inside]]'', [[COMIC]]: ''[[Bizarre Zero (comic story)|Bizarre Zero]]'') It was self-repairing and could send out a homing signal to any parts that had been separated. ([[TV]]: ''[[A Christmas Carol (TV story)|A Christmas Carol]]'') One account held that a sonic screwdriver was powered by a type of [[crystal]] that was similar to the [[Metebelis crystal]]s. ([[COMIC]]: ''[[The Forgotten (comic story)|The Forgotten]]'')
[[File:Doorhandle.jpg|thumb|Suspiciously sonic: the "door handle.". ([[TV]]: ''[[Inferno]]'')]]Early in his [[Third Doctor|third incarnation]], the Doctor employed a silver tool slightly larger than the Mark I sonic screwdriver, but with a round emitter head similar to the Mark II. ([[TV]]: ''[[Inferno (TV story)|Inferno]]'') Although he never referred to as a sonic screwdriver, its appearance and in-hand use were uncanny. The Doctor described it as a "door handle" to a [[UNIT]] soldier.


==== Known uses ====
Sonic screwdrivers and similar technology could not unlock a [[deadlock seal]]. ([[TV]]: ''[[School Reunion (TV story)|School Reunion]]'', ''[[The Night of the Doctor (TV story)|The Night of the Doctor]]'') However, Miss Foster's sonic pen could open the deadlock seals that it was programmed to within her own facility when the Doctor's screwdriver could not. ([[TV]]: ''[[Partners in Crime (TV story)|Partners in Crime]]'') It also couldn't unlock the doors to the TARDIS if they had been manually locked at the console. ([[TV]]: ''[[Utopia (TV story)|Utopia]]'') Some or all versions were ineffective against [[wood]]. ([[TV]]: ''[[Night Terrors (TV story)|Night Terrors]]'', ''[[The Doctor, the Widow and the Wardrobe (TV story)|The Doctor, the Widow and the Wardrobe]]'', ''[[The Time of the Doctor (TV story)|The Time of the Doctor]]'', ''[[Empress of Mars (TV story)|Empress of Mars]]'') It didn't work in the presence of some models of [[hairdryer]]s, although the Tenth Doctor stated he was working on it. ([[TV]]: ''[[Forest of the Dead (TV story)|Forest of the Dead]]'', [[PROSE]]: ''[[Catastrophea (novel)|Catastrophea]]'')
* Operating the automatic door to the Doctor's workshop at [[Project Inferno]] ([[TV]]: ''[[Inferno (TV story)|Inferno]]'')


=== Mark II ===
== Individual sonic screwdrivers ==
[[File:CarnivalMonsters sonic screwdriver.jpg|right|thumb|Variation used during and following the [[Third Doctor]]'s [[exile on Earth]]. ([[TV]]: ''[[Carnival of Monsters]]'')]]
=== The Doctor's screwdriver ===
The [[Third Doctor]]'s most-used model of the sonic screwdriver was much larger than the Mark I; its elaborately-detailed silver shape featured black and yellow stripes and red trim. It had a removable head which the Doctor would change with others, each performing a different function. ([[TV]]: ''[[The Sea Devils]]'')
{{Main|The Doctor's sonic screwdriver}}
[[The Doctor]], throughout many of their lives, possessed a sonic screwdriver. They originally used [[Second Doctor's sonic screwdriver|a basic model]] in their [[First Doctor|first]] ([[PROSE]]: ''[[Venusian Lullaby (novel)|Venusian Lullaby]]'') and [[Second Doctor|second incarnations]], ([[TV]]: ''[[Fury from the Deep (TV story)|Fury from the Deep]]'') before [[Third Doctor's sonic screwdriver|upgrading]] in [[Third Doctor|their third]]. ([[TV]]: ''[[The Sea Devils (TV story)|The Sea Devils]]'') However, according to one account, the First Doctor was unfamiliar with the sonic screwdriver when he met the [[Twelfth Doctor]]. ([[TV]]: ''[[Twice Upon a Time (TV story)|Twice Upon a Time]]'') Similarly the accounts depicting the Doctor's life as the Timeless Child prior to their first incarnation showed at least one of them as being unfamiliar with the sonic screwdriver and dismissive of it. ([[TV]]: ''[[Fugitive of the Judoon (TV story)|Fugitive of the Judoon]]'') The Doctor continued to use the model introduced during his third incarnation until it was destroyed in [[Fifth Doctor|their fifth]] by a [[Terileptil]] leader. ([[TV]]: ''[[The Visitation (TV story)|The Visitation]]'') It wasn't until they were in their [[Seventh Doctor|seventh incarnation]] before they began to use [[Seventh Doctor's sonic screwdriver|a screwdriver]] again, taking on various different models throughout the years. ([[TV]]: ''[[Doctor Who (TV story)|Doctor Who]]'', ''[[Rose (TV story)|Rose]]'', ''[[The Eleventh Hour (TV story)|The Eleventh Hour]]'', ''[[Hell Bent (TV story)|Hell Bent]]'', ''[[The Woman Who Fell to Earth (TV story)|The Woman Who Fell to Earth]]'', [[WC]]: {{cs|The Fourteenth Doctor's Sonic Screwdriver (webcast)}}, [[AUDIO]]: {{cs|The World Tree (audio story)}})


==== Known uses ====
[[File:Jeremy Enecio 3rd Doctor cropped.jpg|thumb|left|The [[Third Doctor]] wields an early model of [[the Doctor's sonic screwdriver]]. ([[GRAPHIC]]: ''[[Doctor Who Evergreen (illustration)|Doctor Who Evergreen]]'')]]
* Scanning for alarm systems in [[the Master's TARDIS]]. ([[TV]]: ''[[Colony in Space]]'')
Early versions of their sonic screwdriver were used mainly for the [[lock picking|picking]] of [[lock]]s and for projecting [[sound]] so as to, for example, [[explosion|detonate]] objects and fry [[circuit]]ry. ([[TV]]: ''[[The Sea Devils (TV story)|The Sea Devils]]'') By the time of the [[Ninth Doctor]], the sonic was able to also be used as a sophisticated [[scanner|scanning]] device, with [[medicine|medical]] applications. ([[TV]]: ''[[The Empty Child (TV story)|The Empty Child]]'') Subsequent incarnations gave it even wider functionality, such as the ability to [[hacking|hack]] into [[computer]]s, ([[TV]]: ''[[Smith and Jones (TV story)|Smith and Jones]]'') provide [[geolocation]] ([[TV]]: ''[[Evolution of the Daleks (TV story)|Evolution of the Daleks]]'') and actively defend against some types of assault [[weapon]]s by frying their internal mechanics and causing the weapons to burst into flames and spark from the inside. ([[TV]]: ''[[Cold Blood (TV story)|Cold Blood]]'') The tool could create powerful frequencies and signals, ([[TV]]: ''[[Partners in Crime (TV story)|Partners in Crime]]'', ''[[Thin Ice (TV story)|Thin Ice]]'') as well as use sound to carry out its functions, even to the point where three of its latest incarnations where able to create a [[sonic blast|sonic force blast]] powerful enough to repel and destroy a [[Dalek]] while working together, ([[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'') as well as shoot green sonic energy waves to briefly incapacitate or stun a target. ([[TV]]: ''[[The Doctor Falls (TV story)|The Doctor Falls]]'')
* Remote detection and detonation of [[land mine]]s. ([[TV]]: ''[[The Sea Devils]]'')
* To open an electronic door. ([[TV]]: ''[[The Mutants (TV story)|The Mutants]]'')
* Creation of a spark of [[fire]] and igniting [[swamp gas]]. ([[TV]]: ''[[Carnival of Monsters]]'')
* Open electronic locks. ([[TV]]: ''[[Carnival of Monsters]]'')
* A medium for hypnotising [[Aggedor]] (and, unintentionally, [[Jo Grant]]) ([[TV]]: ''[[The Curse of Peladon]]'')
* As conventional screwdriver, on large, flathead screw. ([[TV]]: ''[[The Curse of Peladon]]'')
* Overloading the brains of [[Space Greyhound]]s. ([[COMIC]]: ''[[The Forgotten]]'')


=== Mark III ===
All of these [[incarnation]]s utilised the same core [[software]], though they used different [[hardware]]. While it was different individual model, for all intents and purposes the [[War Doctor]]'s sonic was the same as the [[Eleventh Doctor]]'s some 400 years later. ([[TV]]: ''[[The Day of the Doctor (TV story)|The Day of the Doctor]]'') However, the [[Thirteenth Doctor]], having lost the Twelfth Doctor's sonic screwdriver, created her own version. As such, hers used unique software, and was made from 21st century Earth components, as well as part of a Recall Circuit from the Stenza Homeworld. ([[TV]]: ''[[The Woman Who Fell to Earth (TV story)|The Woman Who Fell to Earth]]'') Although, by the time of the [[Fifteenth Doctor]], [[Fifteenth Doctor's sonic screwdriver|his screwdriver]] featured the same software as previous models. ([[AUDIO]]: {{cs|The World Tree (audio story)}})
[[File:Frontiersonic.png|thumb|The sonic stripped down to its metallic elements. ([[TV]]: ''[[Frontier in Space]]'')]]The Third Doctor fitted the head of his sonic screwdriver with a cylindrical black magnet which enabled it to open bolted doors, especially when its polarity was reversed. ([[TV]]: ''[[Frontier in Space]]'') This refit left the metal mostly unpainted, with a dark red emitter ring. The head of this model could be extended. Before this model was destroyed ([[TV]]: ''[[The Visitation]]''), its head was repainted twice after the original coat wore off. ([[TV]]: ''[[The Keeper of Traken]]'', ''[[Castrovalva (TV story)|Castrovalva]]'') The Doctor went without a sonic screwdriver for some time after this model and [[Nyssa]] lamented the [[Fifth Doctor]]'s decision not to replace it. ([[TV]]: ''[[Snakedance]]'')


==== Known uses ====
=== Romana's screwdriver ===
* To unbolt a door. (''[[TV]]: [[Frontier in Space]]'')
{{Main|Romana's sonic screwdriver}}
* To fuse shut a sliding door. ([[TV]]: ''[[Planet of the Daleks]]'')
[[File:Romana's Screwdriver.jpg|thumb|The [[Fourth Doctor]] compares [[The Doctor's sonic screwdriver|his sonic screwdriver]] with [[Romana's sonic screwdriver|Romana's]]. ([[TV]]: ''[[The Horns of Nimon (TV story)|The Horns of Nimon]]'')]]
* To open a lift door. ([[TV]]: ''[[The Green Death]]'')
[[Romana II]] constructed [[Romana's sonic screwdriver|her own sonic screwdriver]], which was so impressive that the Doctor attempted to substitute his own with hers, but she noticed the switch. ([[TV]]: ''[[The Horns of Nimon (TV story)|The Horns of Nimon]]'') Her version also included a silencer. ([[AUDIO]]: ''[[Luna Romana (audio story)|Luna Romana]]'') She later gave it to the Doctor. ([[PROSE]]: ''[[Lungbarrow (novel)|Lungbarrow]]'') Nonetheless, during the final term of her presidency, her [[Romana III|third incarnation]] used a sonic screwdriver. ([[AUDIO]]: ''[[Intervention Earth (audio story)|Intervention Earth]]'')
* To distract [[Giant maggot|giant maggots]]. ([[TV]]: ''[[The Green Death]]'')
* To detect boobytrapped floor tiles. ([[TV]]: ''[[Death to the Daleks]]'')
* To break a [[hypnotic]] trance. ([[TV]]: ''[[Death to the Daleks]]'')
* To open a refinery door. ([[TV]]: ''[[The Monster of Peladon]]'')
* To remotely detonate mines. ([[TV]]: ''[[Robot (TV story)|Robot]]'')
* To cut locks. ([[TV]]: ''[[Robot (TV story)|Robot]]'')
* Undoing screws. ([[TV]]: ''[[The Ark in Space]]'')
* Repairing wires chewed by the [[Wirrn]]. ([[TV]]: ''[[The Ark in Space]]'')
* To fix a circle of [[transmat]] refractors. ([[TV]]: ''[[The Sontaran Experiment]]'')
* To breach a [[force field]]. ([[TV]]: ''[[The Sontaran Experiment]]'')
* To shut down [[Styre's robot]]. ([[TV]]: ''[[The Sontaran Experiment]]'')
* To sabotage a two-way [[radio]]. ([[TV]]: ''[[Genesis of the Daleks]]'')
* Deactivate an [[energy loop]] opening up [[Sutekh]]'s [[deflection barrier]]. ([[TV]]: ''[[Pyramids of Mars]]'')
* To shatter the [[Clynex]]. ([[DWM]]: ''[[The Naked Flame]]'')
* Safecracking ([[TV]]: ''[[The Sun Makers (TV story)|The Sun Makers]]'')
* To create a temporary hole in [[Gallifrey]]'s [[force field]] above the Citadel. ([[TV]]: ''[[The Invasion of Time]]'')
* Using the correct sonic frequency to return the [[Fourth Doctor]], [[Ernestina Stott]] and later, [[The Doctor's scarf|his scarf]], to normal size. ([[AUDIO]]: ''[[The Dead Shoes]]'')
* To open doors on [[Ribos]]. ([[TV]]: ''[[The Ribos Operation]]'')
* To unlock multi-levered interlocks to the Ribos crown jewels casket ([[TV]]: ''[[The Ribos Operation]]'')
* To open the door to the real Queen [[Xanxia]]'s chamber. ([[TV]]: ''[[The Pirate Planet]]'')
* To free [[Romana I|Romana]] from her bonds on a [[prison ship]] in [[hyperspace]]. ([[TV]]: ''[[The Stones of Blood]]'')
* To blow up a [[Dalek]] bomb. ([[TV]]: ''[[Destiny of the Daleks]]'')
* To unscrew the [[Zero Room]]'s hinges and assist in constructing the [[Zero Cabinet]]. ([[TV]]: ''[[Castrovalva (TV story)|Castrovalva]]'')
* To disarm [[fusion bomb]]s by reversing the polarity of the neutron-flow. ([[PROSE]]: ''[[Cold Fusion]]'')
* To create a piercing loud noise to prevent security cameras from picking on the conversation between the [[Fifth Doctor]], [[Adric]], [[Nyssa]], and [[Tegan]]. ([[TV]]: ''[[Four to Doomsday]]'')
* To open a door to escape confinement. ([[TV]]: ''[[Four to Doomsday]]'')
* To reverse the magnetic field on [[Monopticon]]s. ([[TV]]: ''[[Four to Doomsday]]'')
* To short-circuit [[android]]s in conjunction with a [[pencil]], the [[graphite]] acting as a conductive material for the screwdriver's power. ([[TV]]: ''[[Four to Doomsday]]'')
* To use as a component in the [[Delta wave augmenter]], to induce sleep. ([[TV]]: ''[[Kinda (TV story)|Kinda]]'')


=== Mark IV ===
=== River's screwdriver ===
[[File:ChangLooksThroughSonic.jpg|thumb|[[Chang Lee]] discovers the sonic screwdriver amongst the things he stole from [[Seventh Doctor|the Doctor]]. ([[TV]]: ''[[Doctor Who (1996)|Doctor Who]]'')]]
{{Main|River Song's sonic screwdriver}}
Towards the end of his [[Seventh Doctor|seventh life]], the Doctor fished a fourth type of sonic screwdriver from one of the tool kits in [[the TARDIS]]. This model looked similar to the Mark III seen at the end of his [[Fourth Doctor|fourth incarnation]]; it was completely silver. The handle resembled a small torch, and the tip was a ring with a red sphere in its centre. To use this model, the tip was pointed at the object in question. This version remained in the [[Eighth Doctor]]'s use throughout his life. There was a torch built into the handle. Once, while suffering from amnesia, the Doctor distracted himself and operated this sonic screwdriver on instinct.
[[File:River Gifted her Sonic Screwdriver.jpg|thumb|River receives her sonic screwdriver. ([[TV]]: ''[[The Husbands of River Song (TV story)|The Husbands of River Song]]'')]]
The [[Twelfth Doctor]] gave [[River Song]] [[River Song's sonic screwdriver|another screwdriver]] before River's final date with him at the [[Singing Towers]] of [[Darillium]]. ([[TV]]: ''[[The Husbands of River Song (TV story)|The Husbands of River Song]]'', ''[[Silence in the Library (TV story)|Silence in the Library]]'') This version of the sonic screwdriver somewhat resembled the [[Ninth Doctor|Ninth]] and [[Tenth Doctor]]'s [[Ninth Doctor's sonic screwdriver|model]], which was notable when she met the latter in [[the Library]], though it looked elaborately decorated and modified, featuring increased and enhanced functionality, including "[[damper]]s" and a "[[red setting]]" that allowed it to work without interference from the [[Doctor Moon]]. The Doctor gave it to River so she would be ready when she met his tenth incarnation in [[the Library]]. ([[TV]]: ''[[Forest of the Dead (TV story)|Forest of the Dead]]'', [[PROSE]]: {{cs|Time Lord Technology (feature)|page=56}})


==== Known Uses ====
=== Other screwdrivers ===
* To lock the casket containing [[the Master]]'s remains. ([[TV]]: ''[[Doctor Who (1996)|Doctor Who]]'')
[[Quadrigger]] [[Stoyn]] possessed [[Stoyn's sonic screwdriver|a sonic screwdriver]] in his workcase aboard [[the Doctor's TARDIS]], which he had been working on shortly before the [[First Doctor]] stole the ship. ([[AUDIO]]: ''[[The Beginning (audio story)|The Beginning]]'')
* Maintenance on new parts in the TARDIS console. ([[TV]]: ''[[Doctor Who]]'')
* To turn [[Cyberman (Mondas)|Cybermen]] against each other. ([[COMIC]]: ''[[The Flood (comic story)|The Flood]]'')
* To disorient a [[ROSM|Rescue Operational Security Module]]. ([[AUDIO]]: ''[[Embrace the Darkness]]'')
* Used by [[Romana II]] to raise the bulkheads between her and the Matrix chamber. ([[AUDIO]]: ''[[Neverland]]'')
* To jam motion-sensitive sensors long enough for the Doctor and his companions to get to safety. ([[AUDIO]]: ''[[Scaredy Cat]]'')
* To lock the TARDIS [[console room]] away from the rest of the ship until it could repair itself during a [[Hellion]] attack. ([[AUDIO]]: ''[[Absolution (BFA audio story)|Absolution]]'')
* To track residual energy traces. ([[AUDIO]]: ''[[The Girl Who Never Was]]'')
* To reactivate a long-dormant [[telegraph]] machine. ([[AUDIO]]: ''[[The Girl Who Never Was]]'')
* To oscillate the atoms of wickerwork to weaken the structure. ([[AUDIO]]: ''[[Dead London]]'')
* To vibrate [[Molluscari]] from their shells by duplicating the precise frequency necessary. ([[AUDIO]]: ''[[Orbis]]'')
* To open the organic locks used by the [[Zygon]]s. ([[PROSE]]: ''[[The Bodysnatchers]]'')
* To destroy a Dalek's brain (when placed directly against the Dalek's casing around its head). ([[PROSE]]: ''[[War of the Daleks]]'')
* To make [[Gunstick|Dalek weapons]] detonate. ([[PROSE]]: ''[[Legacy of the Daleks]]'')
* To repel [[ghost]]s. ([[PROSE]]: ''[[Vanderdeken's Children]]'')
* To open a door in a [[force field]] large enough for the Doctor and his companions to travel through. ([[PROSE]]: ''[[EarthWorld]]'')
* To open the chest of the mobile [[nuclear weapon]] Fatboy. ([[PROSE]]: ''[[Eater of Wasps]]'')
* To decapitate the [[King of Beasts]], leader of the [[Babewyn]]. ([[PROSE]]: ''[[The Adventuress of Henrietta Street]]'')
* To lock a bank vault from the inside. ([[PROSE]]: ''[[Trading Futures]]'')
* To temporarily disable an [[electron bomb]]. ([[PROSE]]: ''[[The Tomorrow Windows]]'')
* To subdue hostile dogs. ([[PROSE]]: ''[[The Deadstone Memorial]]'')
* To disrupt the control signal for floating magnetic discs. ([[PROSE]]: ''[[To the Slaughter]]'')


=== Mark V ===
[[Second Doctor (clone)|A clone of the Second Doctor]] also possessed [[Second Doctor clone's sonic screwdriver|his own sonic screwdriver]], which he used along with the [[Fourth Doctor]]'s to send [[Hexford]] home. ([[AUDIO]]: ''[[Survivors in Space (audio story)|Survivors in Space]]'')
Later in his [[eighth incarnation]], the Doctor carried a sonic screwdriver with a wooden handle and blue diode at one end. ([[AUDIO]]: ''[[The Great War (audio story)|The Great War]]'') The Doctor claimed that he made this version of the sonic screwdriver to do more than open doors and blow up land mines. ([[AUDIO]]: ''[[X and the Daleks (audio story)|X and the Daleks]]'')


==== Known uses ====
[[Narvin]] had [[Narvin's sonic screwdriver|a sonic screwdriver]] made, based on the Doctor's design, after seeing its utility when carried by the Doctor. At first he objected, preferring to call it a sonic [[lockpick]], but then admitted the nature of his new device. ([[AUDIO]]: ''[[The Quantum Possibility Engine (audio story)|The Quantum Possibility Engine]]'')
* Fixing a train track. ([[AUDIO]]: ''[[The Great War (audio story)|The Great War]]'')
* To try and shatter the walls of a prison. ([[AUDIO]]: ''[[Tangled Web (audio story)|Tangled Web]]'')


=== Mark VI ===
[[Ace]] had [[Ace's sonic screwdriver|a sonic screwdriver]] which she took with her to [[Outpost Delta]]. ([[AUDIO]]: ''[[Enemy Lines (audio story)|Enemy Lines]]'')
[[File:Sonic screwdriver - Doomsday.png|right|thumb|The version used by the [[Ninth Doctor|Ninth]] and [[Tenth Doctor]]s. ([[TV]]: ''[[Doomsday]]'')]]
The Doctor had yet another screwdriver during his eigthth incarnation, this one with a glowing blue diode at one end. Although the first known individual known to use it was the Eighth Doctor, ([[PROSE]]: ''[[Osskah]]'') this model was much more ubiquitous as the model carried by the [[Ninth Doctor]], who used it far less frequently like his previous incarnations had done before. The [[Tenth Doctor]] also used this model, as he liked tinkering with technology to make devices he needed. This version was burnt out by accident after the Doctor used it to modify an [[x-ray]] radiation output to over 5000%. ([[TV]]: ''[[Smith and Jones]]'')


==== Known uses ====
[[Doctor Ogron]] built [[Doctor Ogron's sonic screwdriver|his own sonic screwdriver]]. ([[AUDIO]]: ''[[Planet of the Ogrons (audio story)|Planet of the Ogrons]]'')
* To heal [[Osskah Longspan]]'s body. ([[PROSE]]: ''[[Osskah]]'')


* To destroy the controls of a [[lift]]. ([[TV]]: ''[[Rose (TV story)|Rose]]'')
[[Jackson Lake]] carried [[Jackson Lake's screwdriver|a regular screwdriver]] from the [[19th century]] which he claimed was sonic by virtue of it making a sound when it was struck against a surface. ([[TV]]: ''[[The Next Doctor (TV story)|The Next Doctor]]'')
* To detect and stop [[telepathy|telepathic]] signals. ([[TV]]: ''[[Rose (TV story)|Rose]]'')
* To interface with a [[computer]]. ([[TV]]: ''[[The End of the World (TV story)|The End of the World]]'')
* Opening a door. ([[Doctor Who|DW]]: ''[[Aliens of London]]'')
* To control a lift. ([[TV]]: ''[[World War Three]]'')
* To cause rain via atmospheric excitation. ([[COMIC]]: ''[[Death to the Doctor! (comic story)|Death to the Doctor!]]'')
* To obtain money from a cash machine. ([[TV]]: ''[[The Long Game]]'')
* Opening off a panel to [[Satellite Five|Satellite Five's]] mainframe. ([[TV]]: ''[[The Long Game]]'')
* Obtaining access to Satellite Five's core computer. ([[TV]]: ''[[The Long Game]]'')
* Freeing the [[Ninth Doctor]] from his manacles. ([[TV]]: ''[[The Long Game]]'')
* To charge a battery. ([[TV]]: ''[[Father's Day]]'')
* To act as a medical scanner and diagnostic tool. ([[TV]]: ''[[The Empty Child]]'')
* To corrode thin metal (e.g. [[barbed wire]]) so that it crumbled into rust. ([[TV]]: ''[[The Doctor Dances]]'')
* To re-connect barbed wire. ([[TV]]: ''[[The Doctor Dances]]'')
* To unlock handcuffs. ([[TV]]: ''[[The Doctor Dances]]'')
* To set up a resonation pattern in concrete. ([[TV]]: ''[[The Doctor Dances]]'')
* To reverse teleport devices. ([[TV]]: ''[[Boom Town]]'')
* To destroy a television camera. ([[TV]]: ''[[Bad Wolf (TV story)|Bad Wolf]]'')
* To dematerialise the TARDIS and initialising TARDIS processes from outside the craft. ([[TV]]: ''[[The Parting of the Ways]]'')
* To blow up a remote control Christmas tree. ([[TV]]: ''[[The Christmas Invasion]]'')
* To transfer its powers to a remote control. ([[GAME]]: ''[[Attack of the Graske (video game)|Attack of the Graske]]'')
* To ignite swamp gas. ([[COMIC]]: ''[[The Hunt of Doom]]'')
* To stop the emergence of [[Mirrorling]]s from mirrors. ([[COMIC]]: ''[[Mirror Image]]'')
* To dislodge and reinsert teeth. ([[COMIC]]: ''[[The Lodger (comic story)|The Lodger]]'')
* To light a candle. ([[TV]]: ''[[The Girl in the Fireplace]]'')
* Reestablishing the time window's connectiong to space ship back in the future. ([[TV]]: ''[[The Girl in the Fireplace]]'')
* To cut rope. ([[TV]]: ''[[The Age of Steel]]'')
* To lock and unlock a hatch in Cybus Industries ([[TV]]: ''[[The Age of Steel]]'')
* To threaten [[the Wire]], with an unknown function that was presumebly lethal to the alien. ([[TV]]: ''[[The Idiot's Lantern]]'')
* To illuminate [[Rose Tyler|Rose]]. ([[COMIC]]: ''[[Warfreekz!]]'')
* To reverse an [[anti-gravity]] [[umbrella]]. ([[COMIC]]: ''[[Smart Bombs]]'')
* To partially reverse the [[Abzorbaloff]]'s absorption of [[Ursula Blake]]. ([[TV]]: ''[[Love & Monsters]]'')
* To de-activate a [[Scribble Creature|living graphite scribble]]. ([[TV]]: ''[[Fear Her]]'')
* To partially crack glass so it could be smashed with the tiniest press of a finger. ([[TV]]: ''[[Army of Ghosts]]'')
* To detonate an explosive device. ([[TV]]: ''[[Doomsday]]'')
* To get money from a cash machine, at both regular and extra-high rates of ejection. ([[TV]]: ''[[The Runaway Bride]]'')
* To unlock a taxi door and window. ([[TV]]: ''[[The Runaway Bride]]'')
* To scan a life form for information, specifically [[Donna Noble]]. ([[TV]]: ''[[The Runaway Bride]]'')
* To detonate the head of a [[roboform]] ([[TV]]: ''[[The Runaway Bride]]'')
* To search a phone for an app or a feature. ([[TV]]: ''[[The Runaway Bride]]'')
* To hack into the [[H.C. Clements]] website. ([[TV]]: ''[[The Runaway Bride]]'')
* To bypass the key needed to access the secret basement in H.C. Clements. ([[TV]]: ''[[The Runaway Bride]]'')
* To summon the Tardis using [[Huon]] particles. ([[TV]]: ''[[The Runaway Bride]]'')
* To cut a spider web. ([[TV]]: ''[[The Runaway Bride]]'')
* To destroy the Robot Santas with sound (used in conjunction with a professional sound system). ([[TV]]: ''[[The Runaway Bride]]'')
* To detect heated [[water]]. ([[COMIC]]: ''[[The Halls of Sacrifice]]'')
* To overload [[Cyberman (Pete's World)|Cybermen]]. ([[COMIC]]: ''[[The Power of the Cybermen]]'')
* To crash an [[aircar]]. ([[COMIC]]: ''[[Time of the Cybermen]]'')
* To confuse the antibodies of a living [[planet]]. ([[COMIC]]: ''[[Lonely Planet]]'')
* Scanning through hospital records, specificly to find any patient suffering from strange symptoms (an alien in disguise). ([[TV]]: ''[[Smith and Jones]]'')
* To increase the radiation output of a device such as an [[x-ray]] scanner; this action burned out the screwdriver. ([[TV]]: ''[[Smith and Jones]]'')


=== Mark VII ===
While trapped on [[Apalapucia]] for thirty-six years, [[Amy Pond]] cobbled together [[Amy Pond's sonic probe|a sonic device]] from various pieces of technology, but insisted upon calling it a [[sonic probe]]. She later conceded that it was a "sonic screwdriver". ([[TV]]: ''[[The Girl Who Waited (TV story)|The Girl Who Waited]]'')
Following his first adventure[[File:Mark VI sonic - The Eleventh Hour.png|right|thumb|Mark VI Sonic screwdriver being used by the [[Eleventh Doctor]]. ([[TV]]: ''[[The Eleventh Hour]]'')]] with [[Martha Jones|Martha]], [[Tenth Doctor|the Doctor]] created a similar screwdriver. The only visible difference was the colour scheme of the handle.  The Doctor had this screwdriver on his person during his [[The End of Time (TV story)|regeneration]], and was damaged repeatedly afterward, which lead to malfunctions. Despite the damage, the [[Eleventh Doctor]] used it to overload technology in an attempt to alert the Atraxi to Prisoner Zero's location. This fried it into useless, charred metal, much to his growing annoyance and anger. ([[TV]]: ''[[The Eleventh Hour]]'')  


==== Known uses ====
[[Vastra]] had [[Vastra's sonic screwdriver|a sonic screwdriver]] that was a gift from the Doctor. She used it to shatter the glass of the [[Crystal Palace]]. It had a red tip, and was similar in design to that used by the Doctor's eleventh incarnation. ([[COMIC]]: ''[[The Crystal Throne (comic story)|The Crystal Throne]]'')
* Opening air-tight seals. ([[TV]]: ''[[Gridlock]]'')
* Trying unsuccessfully to hack into New New York's police communications to call for help. ([[TV]]: ''[[Gridlock]]'')
* Partially activating ventalation airducts. ([[TV]]: ''[[Gridlock]]'')
* Unsuccessfully activating emergency by-pass switches. ([[TV]]: ''[[Gridlock]]'')
* Building a DNA scanning device. ([[TV]]: ''[[Daleks in Manhattan]]'')
* Trying to strip off pieces of [[Dalekanium]]. ([[TV]]: ''[[Evolution of the Daleks]]'')
* Lighting a bunsen burner from a distance. ([[TV]]: ''[[Evolution of the Daleks]]'')
* Bypassing and turning off security systems. ([[TV]]: ''[[The Lazarus Experiment]]'')
* Reversing the polarity of Lazarus's machine, sending an energy pulse out to knock Lazarus unconscious and revert him to human form. ([[TV]]: ''[[The Lazarus Experiment]]'')
* Scanning for fluctuating DNA, specificly that of Professor Lazarus. ([[TV]]: ''[[The Lazarus Experiment]]'')
* Producing hypersonic sound waves which led to the death of the mutated [[Richard Lazarus]], in conjuction with a pipe organ. ([[TV]]: ''[[The Lazarus Experiment]]'')
* Melting hardened asphalt into heated [[tarmac]], and reversing the process, so as to catch animals in a road ([[PROSE]]: ''[[The Last Dodo]]'')
* Disabling robotic flies. ([[COMIC]]: ''[[Exhausting Evil]]'')
* Disabling [[security orb]]s. ([[COMIC]]: ''[[Wrath of the Warrior]]'')
* Modifying hearing aids. ([[COMIC]]: ''[[The Screaming Prison]]'')
* Reversing [[Teleportation|teleport feeds]]. ([[COMIC]]: ''[[Warriors' Revenge]]'')
* Sinking a ship. ([[COMIC]]: ''[[Second Wave]]'')
* Resonating a floor to destroy it, via crystal gems. ([[COMIC]]: ''[[Operation Lock-up]]'')
* Melting [[chocolate]] by increasing the resonance frequency of a torch. ([[COMIC]]: ''[[Crimes and Punishment]]'')
* Giving [[mobile phone]]s [[Superphone|the ability to call across time and space]]. ([[TV]]: ''[[42 (TV story)|42]]'', ''[[Planet of the Dead (TV story)|Planet of the Dead]], [[The Doctor's Daughter]]'')
* (Presumably) to help build a [[Timey-wimey detector]]. ([[TV]]; ''[[Blink]]'')
* Completing the propulsion system for the ship destined for [[Utopia (Utopia)|Utopia]] ([[TV]]: ''[[Utopia (TV story)|Utopia]]'')
* Fusing the TARDIS' navigational coordinates, allowing only travel between its current position and the previous one. 18 months before or after take-off where allowed as destinations. ([[TV]]: ''[[Utopia (TV story)|Utopia]]'')
* Fixing and upgrading a decades-broken [[vortex manipulator]]. ([[TV]]: ''[[Utopia (TV story)|Utopia]]'')
* Destroying a security camera. ([[TV]]: ''[[The Sound of Drums]]'')
* As a soldering iron to make [[perception filter]]s using [[TARDIS key]]s. ([[TV]]: ''[[The Sound of Drums]]'')
* Presumably to help repair the TARDIS after the Master turned it into a [[paradox machine]] and the Doctor fusing the navigational coordinates. ([[TV]]: ''[[Last of the Time Lords]]'')
* Uncorking a champagne bottle. ([[TV]]: ''[[Voyage of the Damned]]'')
* Rewiring a television/portrait to show ship's systems. ([[TV]]: ''[[Voyage of the Damned]]'')
* Opening and closing the Titanic's doors. ([[TV]]: ''[[Voyage of the Damned]]'')
* Looping temporal energy of a [[fraxis pod]] back into a [[zygma drive]]. ([[COMIC]]: ''[[Blooms of Doom!]]'')
* Shattering robot assassins. ([[COMIC]]: ''[[A Suitable Showdown]]'')
* Disabling emergency exit alarms and locks, but causing sparks as a result. ([[TV]]: ''[[Partners in Crime]]'')
* Used with [[Miss Foster]]'s [[Sonic pen]] to create an ultra-high frequency ([[TV]]: ''[[Partners in Crime]]'')
* Controlling a cable cart; also locking it in a "sonic cage" to prevent anything but another sonic device from controlling it. ([[TV]]: ''[[Partners in Crime]]'')
* Knocking over stone tablets. ([[TV]]: ''[[The Fires of Pompeii]]'')
* Cutting rope holding Donna to a sacrificial alter. ([[TV]]: ''[[The Fires of Pompeii]]'')
* Breaking into a silo on the [[Ood-Sphere]]. ([[TV]]: ''[[Planet of the Ood]]'')
* Fusing a lock shut, forcing it to be broken down. ([[TV]]: ''[[Planet of the Ood]])
* Creating a [[stasis beam]]. ([[COMIC]]: ''[[School of the Dead]]'')
* Disabling a [[Sontaran]] teleport. ([[TV]]: ''[[The Sontaran Stratagem]]'')
* Unsuccessfully trying to bypass the Sontarans' control of the [[ATMOS]], forcing the Doctor to use reverse-psychology with the machine to avoid drowning. ([[TV]]: ''[[The Sontaran Stratagem]]'')
* Changing the destination of a Sontaran teleport. ([[TV]]: ''[[The Poison Sky]]'')
* Changing the "channel" on a broadcast when the [[Sontaran]]s began chanting. ([[TV]]; ''[[The Poison Sky]]'')
* Building a terraforming device to ignite the posionous clouds. ([[TV]]: ''[[The Poison Sky]]'')
* Accessing hidden areas on a holographic map. ([[TV]]; ''[[The Doctor's Daughter]]'')
* Temporarily turning off lethal security beams. ([[TV]]: ''[[The Doctor's Daughter]]'')
* Scanning shadows for the presence of [[Vashta Nerada]]. ([[TV]]: ''[[Silence in the Library]]''/''[[Forest of the Dead]]'')
* Unintentionally showing a hologram of [[Donna Noble]]. ([[TV]]: ''[[Forest of the Dead]]'')
* Tinting a helmet visor and increasing the mesh density of a spacesuit ([[TV]]: ''[[Forest of the Dead]]'')
* Disabling the [[Crusader 50]]'s annoying entertainment system; this was a mercy to the Doctor himself and many other passengers. ([[TV]]: ''[[Midnight (TV story)|Midnight]]'')
* Checking [[Crusader 50]]'s control console for faults. ([[TV]]: ''[[Midnight (TV story)|Midnight]]'')
* Scanning for [[Infostamp]]s. ([[TV]]: ''[[The Next Doctor]]'')
* Teleporting a [[Graske]] to the other side of the universe. ([[TV]]: ''[[Music of the Spheres]]'')
* Opening the casing of a cleaning robot. ([[COMIC]]: ''[[Carnage Zoo]]'')
* [[Teleport]]ing onto a [[Nim]] [[spacecraft]]. ([[COMIC]]: ''[[The Day the Earth Was Sold]]'', ''[[The King of Earth]]'')
* As a [[sonic toothbrush]]. ([[COMIC]]: ''[[The Continuity Cap]]'')
* Tracing [[distress signal]]s. ([[COMIC]]: ''[[The Ghost Factory]]'')
* Modifying a [[gravity converter]]. ([[COMIC]]: ''[[Skydive]]'')
* Disabling a [[Cyrronak Robot]]. ([[COMIC]]: ''[[Highway Robbery]]'')
* Scanning slime. ([[COMIC]]: ''[[Doomsilk]]'')
* Cancelling out a [[phonic blast]]. ([[COMIC]]: ''[[We Will Rock You]]'')
* Shattering ice. ([[COMIC]]: ''[[Arctic Eclipse]]'')
* Scanning the [[President of Earth (Return of the Klytode)|President of Earth]] for [[alien]] influence. ([[COMIC]]: ''[[Return of the Klytode]]'')
* Blowing up a fire hydrant. ([[COMIC]]: ''[[Creature Feature]]'')
* Atmospheric excitation to cause rain. ([[COMIC]]: ''[[Mudshock]]'')
* Tickling a [[lion]] with sonic waves. ([[PROSE]]: ''[[The Slitheen Excursion]]'')
* Repairing an overloading distribution box. ([[PROSE]]: ''[[The Graves of Mordane]]'')
* Downloading a journal. ([[PROSE]]: ''[[The Colour of Darkness]]'')
* Detecting and illuminating [[ultraviolet]] characters. ([[PROSE]]: ''[[The Game of Death]]'')
* Remotely controlling environmental controls. ([[PROSE]]: ''[[The Game of Death]]'')
* Detecting the arrival of [[spacecraft]]. ([[PROSE]]: ''[[The Pictures of Emptiness]]'')
* Picking up traces of [[Psychic energy|psychic spoor]]. ([[COMIC]]: ''[[Mortal Beloved (comic story)|Mortal Beloved]]'')
* Tinting the Doctor's glasses, effectively making them sunglassses. ([[TV]]: ''[[Planet of the Dead (TV story)|Planet of the Dead]]'')
* Stopping and winding up a winch. ([[TV]]: ''[[Planet of the Dead (TV story)|Planet of the Dead]]'')
* Opening bus doors. ([[TV]]: ''[[Planet of the Dead (TV story)|Planet of the Dead]]'')
* Unlocking handcuffs. ([[TV]]: ''[[Planet of the Dead (TV story)|Planet of the Dead]]'', ''[[The Eleventh Hour]])''
* Incapacitating a [[Gizou]]. ([[COMIC]]: ''[[Fugitive]]'')
* Detecting time traces. ([[TV]]: ''[[The Wedding of Sarah Jane Smith]]'')
* Making [[toast]] and [[butter]]. ([[AUDIO]]: ''[[Dead Air (audio story)|Dead Air]]'')
* As an actual screwdriver, without touching the screws. ([[TV]]: ''[[Dreamland (TV story)|Dreamland]], [[The Doctor's Daughter]]'')
* Overriding [[Gadget]]'s controller and increasing the robot's speed to the point where it left trails of flames behind. ([[TV]]: ''[[The Waters of Mars]]'')
* Accessing [[Bowie Base One]]'s records on the [[Flood]] infection. ([[TV]]: ''[[The Waters of Mars]]'')
* Unlocking the door to [[Adelaide Brooke]]'s house. ([[TV]]: ''[[The Waters of Mars]]'')
* Disabling a [[Shimmer]]. ([[TV]]: ''[[The End of Time (TV story)|The End of Time]]'')
* Switching the [[Hesperus (spacecraft)|Hesperus]]' power off. ([[TV]]: ''[[The End of Time (TV story)|The End of Time]]'')
* Helping repair the Hesperus. ([[TV]]: ''[[The End of Time (TV story)|The End of Time]]'')
* Remotely controling the TARDIS to change its course, saving the Doctor and his vessel the fate of colliding into [[Big Ben]]. ([[TV]]: ''[[The Eleventh Hour]]'')
* Scanning a crack in Amelia Pond's wall. ([[TV]]: ''[[The Eleventh Hour]]'')
* Opening a "[[Time Crack|crack]]" in space-time. ([[TV]]: ''[[The Eleventh Hour]]'')
* Locking [[Prisoner Zero]] in the room it was hiding in. ([[TV]]: ''[[The Eleventh Hour]]'')
* Switching a radio between several international channels to determine that the Atraxi were broadcasting their warning for Prisoner Zero to surrender or be destroyed along with the "human residence" to the entire Earth. ([[TV]]: ''[[The Eleventh Hour]]'')
* Overloading all technology in [[Leadworth]] (to the point where the screwdriver itself exploded). ([[TV]]: ''[[The Eleventh Hour]]'')
 
=== Mark VIII ===
[[File:New_Screwdriver.png|thumb|The Mark VIII sonic screwdriver ([[TV]]: ''[[The Eleventh Hour]]'')]]
After the loss of the Mark VII, the TARDIS gifted the Doctor with this new model. Differing radically from the last due to having "claws" and a green diode, rather than blue, it also had copper platting similar to the new control room. ([[TV]]: ''[[The Eleventh Hour]]'') A psychic interface allowed its user to point it at a target and think of the function they wanted, instead of "settings"; however, it may be a secondary way of using it. ([[TV]]: ''[[Let's Kill Hitler]]'') Having been mentioned to be more than sonic, ([[TV]]: ''[[Night Terrors]]'') the Mark VIII has also shot beams of green energy. ([[TV]]: ''[[Day of the Moon]], [[Closing Time (TV story)|Closing Time]])
 
Retaining ineffectiveness against wood, it also didn't work against [[Peg Doll]]s or the [[Wooden King]] and [[Wooden Queen|Queen]]  ([[TV]]: ''[[Night Terrors]], [[The Doctor, the Widow and the Wardrobe (TV story)|The Doctor, the Widow and the Wardrobe]]'') The Doctor considered it embarassing and that "I need to invent a setting for wood." ([[TV]]: ''[[Night Terrors]]'') In similar situations, he's yelled at it in panic; "Aliens made of wood, you know this was always going to happen!", "Yes, I know it's wood. Get over it!" ([[TV]]: ''[[The Doctor, the Widow and the Wardrobe]]'') Oddly, he defended once, "Oi! Don't diss the sonic!" ([[TV]]: ''[[The Hungry Earth]]'') In [[The Snowmen (TV story)|The Snowmen]], the Doctor reveals a new setting: anti-freeze.
 
It's been destroyed and replaced repeatedly; ([[TV]]: ''[[A Christmas Carol (TV story)|A Christmas Carol]], [[The Rebel Flesh]]'' [[COMIC]]: ''[[Silent Knight]]'') bitten in half by a [[Sky shark]] and left behind, given to [[Ganger Doctor]], or simply fried out from overusage.
 
==== Known Uses ====
* Scanning [[Starship UK]]'s engine room to determine there was no actual engine powering the spaceship. ([[TV]]: ''[[The Beast Below]]'')
* Scanning voting booth for memory erasing function. ([[TV]]: ''[[The Beast Below]]'')
* As a torch with blue light. ([[TV]]: ''[[The Beast Below]]'')
* To force a [[star whale]] to regurgitate by overloading its chaemo-receptors. ([[TV]]: ''[[The Beast Below]]'')
* Trying (unsuccesfuly) to open the exit back into ''[[Starship UK]]''. ([[TV]]: ''[[The Beast Below]]'')
* Making a star whale's voice audible to the human ear. ([[TV]]: ''[[The Beast Below]]'')
* Amplifying an electrical beam. ([[TV]]: ''[[The Beast Below]]'')
* Opening the chest plate of [[Edwin Bracewell|an Android]]'s controls. ([[TV]]: ''[[Victory of the Daleks]]'')
* To increase a signal's strength. ([[TV]]: ''[[The Time of Angels]]'')
* To scan Father [[Octavian]]'s computer. ([[TV]]: ''[[The Time of Angels]]'')
* Opening the entrance hatch of a space ship. ([[TV]]: ''[[Flesh and Stone]]'')
* Isolating the lighting so that the [[Weeping Angel]]s could not drain the power. ([[TV]]: ''[[Flesh and Stone]]'')
* Redirecting all the power to the doors in order to open them. ([[TV]]: ''[[Flesh and Stone]]'')
* Determining the nature of [[time Field|the cracks]] throughout time and space; which was "extremely very not good." ([[TV]]: ''[[Flesh and Stone]]'')
* Unsuccessfully attempting to patially undo a quantuum lock. ([[TV]]: ''[[Flesh and Stone]]'')
* To send a signal through to [[Amy Pond|Amy's]] communicator to help guide her through a forest. ([[TV]]: ''[[Flesh and Stone]]'')
* Uploading proxemity-alerting software to Amy's communicator. ([[TV]]: ''[[Flesh and Stone]]'')
* Simultaneously healing and analysing wounds. ([[TV]]: ''[[The Vampires of Venice]]'')
* Blocking out the effects of [[perception filter]]s. ([[TV]]: ''[[The Vampires of Venice]]'')
* Scanning lifeforms to determine how integrated into a host body they are. ([[TV]]: ''[[Amy's Choice]]'')
* Scanning piles of dust for traces of people. ([[TV]]: ''[[Amy's Choice]]'')
* Detecting where lights are. ([[TV]]: ''[[Amy's Choice]]'')
* Exploding lightbulbs. ([[TV]]: ''[[Amy's Choice]]'')
* Breaking open padlocks. ([[TV]]: ''[[The Hungry Earth]]'')
* Hacking into computer records. ([[TV]]: ''[[The Hungry Earth]]'')
* Activating bio-programmed soil. ([[TV]]: ''[[The Hungry Earth]]'')
* Dsiplaying energy barricades which are usually invisible to the naked eye. ([[TV]]: ''[[The Hungry Earth]])
* Scanning for heat signatures. ([[TV]]: ''[[Cold Blood]]'')
* Disabling [[Silurian]] weapons. ([[TV]]: ''[[Cold Blood]]'')
* Scanning an infection. ([[TV]]: ''[[Cold Blood]]'')
* Locking the [[The Doctor's TARDIS|TARDIS]] doors. ([[TV]]: ''[[Cold Blood]], [[The Doctor's Wife]]'')
* Opening the gate to the London Underground. ([[GAME]]: ''[[City of the Daleks (video game)|City of the Daleks]]'')
* Opening up a discarded [[Dalek]] dome. ([[GAME]]: ''[[City of the Daleks (video game)|City of the Daleks]]'')
* Bypassing Dalek security seals. ([[GAME]]: ''[[City of the Daleks (video game)|City of the Daleks]]'')
* Opening up control panels in [[Kaalann]]. ([[GAME]]: ''[[City of the Daleks (video game)|City of the Daleks]]'')
* Accessing the [[Visualiser]] eye and repowering it. ([[GAME]]: ''[[City of the Daleks (video game)|City of the Daleks]]'')
* Tampering with the [[Dalek Emperor]]'s casing. ([[GAME]]: ''[[City of the Daleks (video game)|City of the Daleks]]'')
* Activating a Dalek console trap. ([[GAME]]: ''[[City of the Daleks (video game)|City of the Daleks]]'')
* Constructing a [[Dalek Vision Disruptor]]. ([[GAME]]: ''[[City of the Daleks (video game)|City of the Daleks]]'')
* Heating [[water]] and ice. ([[GAME]]: ''[[Blood of the Cybermen]]'')
* Giving a [[Cybermat]] a "Cyber-Migraine". ([[GAME]]: ''[[Blood of the Cybermen]]'')
* Distracting Cybermats. ([[GAME]]: ''[[Blood of the Cybermen]]'')
* Fixing platform lift control panels. ([[GAME]]: ''[[Blood of the Cybermen]]'')
* Closing and locking a door to a [[Cyber-conversion]] room. ([[GAME]]: ''[[Blood of the Cybermen]]'')
* Unlocking [[Cyber-conversion unit]] manacles. ([[GAME]]: ''[[Blood of the Cybermen]]'')
* Disassembling a [[Chronon Blocker]]. ([[GAME]]: ''[[TARDIS (video game)|TARDIS]]'')
* Opening an electronic door. ([[GAME]]: ''[[Shadows of the Vashta Nerada]]'')
* Activating emergency light switches. ([[GAME]]: ''[[Shadows of the Vashta Nerada]]'')
* Turning on the lights inside a generator. ([[GAME]]: ''[[Shadows of the Vashta Nerada]]'')
* On the right "prozatic setting", can stun any creature; however, because the Doctor couldn't see the [[Krafayis]], he couldn't get the seting right and ended up pleasing the creature instead. ([[TV]]: ''[[Vincent and the Doctor]]'')
* Opening the door to a [[79B Aickman Road|time ship]]. ([[TV]]: ''[[The Lodger (TV story)|The Lodger]]'')
* Unsuccesfuuly attempting to free Sophie's hand from the time ship console. ([[TV]]: ''[[The Lodger (TV story)|The Lodger]]'')
* Changing a [[hologram]] between its different forms. ([[TV]]: ''[[The Lodger (TV story)|The Lodger]]'')
* Scanning [[Stonehenge]]. ([[TV]]: ''[[The Pandorica Opens (TV story)|The Pandorica Opens]]'')
* Lighting flaming torches. ([[TV]]: ''[[The Pandorica Opens (TV story)|The Pandorica Opens]]'')
* Helping trace who is receiving the Pandorica's summons. ([[TV]]: ''[[The Pandorica Opens (TV story)|The Pandorica Opens]]'')
* Scrambling a Cyberarm's circuits. ([[TV]]: ''[[The Pandorica Opens (TV story)|The Pandorica Opens]]'')
* Scanning the [[Pandorica]]. ([[TV]]: ''[[The Pandorica Opens (TV story)|The Pandorica Opens]]'')
* To open, close and lock the Pandorica. ([[TV]]: ''[[The Big Bang]]'')
* Amplifying a satellite dish to scan for an exploding TARDIS. ([[TV]]: ''[[The Big Bang]]'')
* Scanning a [[vortex manipulator]] to see if it was wired into something. ([[TV]]: ''[[The Big Bang]]'')
* Giving orders to androids. ([[WC]]: ''[[The War of Art (short story)|The War of Art]]'')
* To reconfigure the binaries in the TARDIS. ([[GAME]]: ''[[Evacuation Earth]]'')
* Heating up a [[tea]]pot. ([[WC]]: ''[[Snowfall]]'')
* To confirm the [[isomorphic controls|isomorphic]] nature of a control panel. ([[TV]]: ''[[A Christmas Carol (TV story)|A Christmas Carol]])''
* As a lure to attract a [[Sky fish]]. ([[TV]]: ''[[A Christmas Carol (TV story)|A Christmas Carol]]'')
* Attempting self-reconstruction via signalling its other half; faild and left behind by the Doctor to be replaced by a similar sonic screwdriver. ([[TV]]: ''[[A Christmas Carol (TV story)|A Christmas Carol]]'')
* Transmitting [[Abigail Pettigrew|Abigail]]'s singing from one broken segment to the other to open the [[cloud belt]]. ([[TV]]: ''[[A Christmas Carol (TV story)|A Christmas Carol]]'')
* Scanning boxes of stolen NASA equipment to confirm that they just what they look like. ([[TV]]: ''[[The Impossible Astronaut]]'')
* Unlocking the door to Melody's room. ([[TV]]: ''[[Day of the Moon]]'')
* Scanning a spacesuit. ([[TV]]: ''[[Day of the Moon]]'')
* Confirming if a [[nanorecorder]] was on telepathic transmission or a replay. ([[TV]]: ''[[Day of the Moon]]'')
* Unlocking Amy's restraints. ([[TV]]: ''[[Day of the Moon]]'')
* Stunning the Silence. ([[TV]]: ''[[Day of the Moon]]'')
* Protecting two versions of [[Rory Williams]] from falling victim to the [[Blinovitch Limitation Effect]] ([[PROSE]]: ''[[Touched by an Angel]]'')
* Determining that the [[Siren]] used reflections to appear by scanning the hat of a pirate who was taken. ([[TV]]: ''[[The Curse of the Black Spot]]'')
* Confirming the nature of an alien life-support system. ([[TV]]: ''[[The Curse of the Black Spot]]'')
* Locking the TARDIS. ([[TV]]: ''[[The Doctor's Wife]]'')
* Scanning for [[Hypercube]] transmissions to locate their source. ([[TV]]: ''[[The Doctor's Wife]]'')
* Confirming how long [[Idris]]'s body has before the TARDIS Matrix causes it to die. ([[TV]]: ''The Doctor's Wife'')
* Scanning the Flesh. ([[TV]]: ''[[The Rebel Flesh]]'')
* Unlocking a grating. ([[TV]]: ''[[The Almost People]]'')
* Locking a grating into place. ([[TV]]: ''[[The Almost People]]'')
* Detecting differences between Gangers and humans ([[TV]]: ''[[The Almost People]]'')
* Dissolving [[Ganger]]s. ([[TV]]: ''[[The Almost People]]'')
* Closing doors inside a [[Cyber Ship]]. ([[TV]]: ''[[A Good Man Goes to War]]'')
* Damaging a [[Cyber Ship]]. ([[TV]]: ''[[A Good Man Goes to War]]'')
* Opening doors on [[Demon's Run]]. ([[TV]]: ''[[A Good Man Goes to War]]'')
* Detecting if a person was fatally wounded. ([[TV]]: ''[[A Good Man Goes to War]]'')
* Disabling a force field. ([[TV]]: ''[[A Good Man Goes to War]]'')
* Disarming [[River Song|Melody Pond]]. ([[TV]]: ''[[Let's Kill Hitler]]'')
* Hailing the [[Eleventh Doctor]]'s [[sonic cane]]. ([[TV]]: ''[[Let's Kill Hitler]]'')
* Disabling privileges from the [[Teselecta]]'s crew. ([[TV]]: ''[[Let's Kill Hitler]]'')
* Activating [[George (Night Terrors)|George's]] toys. ([[TV]]: ''[[Night Terrors]]'')
* Scanning for monsters and how powerful they were. ([[TV]]: ''[[Night Terrors]]'')
* Detaching the view glass from the visitation facility. ([[TV]]: ''[[The Girl Who Waited]]'')
* Augmenting the view glass to work disconnected. ([[TV]]: ''[[The Girl Who Waited]]'')
* Locking on to Amy's timestream. ([[TV]]: ''[[The Girl Who Waited]]'')
* Amplifying the [[Sonic Probe]]. ([[TV]]: ''[[The Girl Who Waited]]'')
* Stunning the [[Rutan Host|Rutan]] [[Elizabeth Winters|Lady Winters]]. ([[GAME]]: ''[[The Gunpowder Plot]]'')
* Scanning [[dimensional lesion]]s. ([[GAME]]: ''[[The Gunpowder Plot]]'')
* Igniting a cannon. ([[GAME]]: ''[[The Gunpowder Plot]]'')
* Creating a high pitched noise to get attention. ([[TV]]: ''[[The God Complex]]'')
* Scanning the deceased to determine what caused death (later revealed to be the removal of faith) with no success. ([[TV]]; ''[[The God Complex]]'')
* Opening a fake door. ([[TV]]: ''[[The God Complex]]'')
* As a microphone. ([[TV]]: ''[[The God Complex]]'')
* Switching off CCTV monitors. ([[TV]]: ''[[The God Complex]]'')
* Detecting electrical interference. ([[TV]]: ''[[Closing Time (TV story)|Closing Time]]'')
* Confirming increased [[Sulfur]] emissions. ([[TV]]: ''Closing Time'')
* Scanning for lifesigns. ([[TV]]: ''[[Closing Time (TV story)|Closing Time]]'')
* Repairing and activating a lift. ([[TV]]: ''[[Closing Time (TV story)|Closing Time]]'')
* Fusing the controls of a [[Cyberman#Cybermen of the Cyber Legions|Cyberman]] teleporter. ([[TV]]: ''[[Closing Time (TV story)|Closing Time]]'')
* Overloading/imploding a Cybermat; unfortunately wiping its memory in the process. ([[TV]]: ''[[Closing Time (TV story)|Closing Time]])''
* Repairing the controls of a Cyberman teleporter and using it. ([[TV]]: ''[[Closing Time (TV story)]]'')
* Taking apart a [[Supreme Dalek]]. ([[TV]]: ''[[The Wedding of River Song]]'')
* Scanning a Dalek's database for information, specificly anything his oldest enemies knew about [[the Silence]]. ([[TV]]: ''[[The Wedding of River Song]]'')
* Freezing the ''Teselecta'' in place; this caused sparks to fly inside of it. ([[TV]]: ''[[The Wedding of River Song]]'')
* Scanning a Headless Monk head box to confirm its contents. ([[TV]]:'' [[The Wedding of River Song]]'')
* Sealing the trapdoor that [[Gantok]] fell down, out of fear of the carneverous skulls. ([[TV]]: ''[[The Wedding of River Song]]'')
* Scanning [[Albert Einstein]]'s liquid to determine if it was the ingredient he thought he needed to make a time machine. ([[TV]]: ''[[Death Is the Only Answer]]'')
* Used to help with rewiring the TARDIS; he told Lilly it was because the light in his "wardrobe" wasn't working, claiming it was the reason he dressed as he did. ([[TV]]: ''[[The Doctor, the Widow and the Wardrobe (TV story)|The Doctor, the Widow and the Wardrobe]])
* Scanning the lifeforce transference crown. ([[TV]]: ''[[The Doctor, the Widow and the Wardrobe (TV story)|The Doctor, the Widow and the Wardrobe]]'')
* Setting the TARDIS on its "adventure setting". ([[TV]]: ''Gold as Gold'')
* Destroying a [[Weeping Angel]]. ([[TV]]: ''[[Good as Gold (TV story)|Good as Gold]]'')
* Reversing a [[friction amper]]. ([[COMIC]]: ''[[The Cornucopia Caper (comic story)|The Cornucopia Caper]] '')
* Destroying the [[Star of Solitude]]. ([[COMIC]]: ''[[The Cornucopia Caper (comic story)|The Cornucopia Caper]]'')
* Deleting an answering machine message from the phone the message was made from. ([[WC]]: ''[[Pond Life (webcast)|Pond Life]]'')
* Activating the reverse in a badly damaged, insane Dalek's casing to send it into other insane Daleks (as it was going to self-destruct). ([[TV]]: ''[[Asylum of the Daleks]]'')
* Taking apart the device emitting the [[Silurian Ark]]'s signal, and activating it upon placing it in [[Solomon (Dinosaurs on a Spaceship)|Solomon]]'s ship. ([[TV]]: ''[[Dinosaurs on a Spaceship]]'')
* Scanning a load of rocks and wood, determining that they were just that. ([[TV]]: ''[[A Town Called Mercy]]'')
* Determining how far ahead Mercy's electicity was in the timeline. ([[TV]]: ''[[A Town Called Mercy]]'')
* Turning off the defense system of [[Kahler-Jex]]'s ship. ([[TV]]: ''[[A Town Called Mercy]]'')
* Creating a sound loud enough to distract [[Kahler-Tek]] to allow the Doctor's escape. ([[TV]]: ''[[A Town Called Mercy]]'')
* Disabling the [[android]] the [[Shakri]] put on [[Earth]] to control the [[Cube]]s. ([[TV]]: ''[[The Power of Three]]'')
* Reversing the Shakri's programming of the cubes to jump-start the hearts of the humans they previously stopped. ([[TV]]: ''[[The Power of Three]]'')
* Scanning a [[Weeping Angel]]. ([[TV]]: ''[[The Angels Take Manhattan]]'')
* Overloading a lightbulb, creating a blinding light, to act as a distraction to escape the Angels. ([[TV]]: ''[[The Angels Take Manhattan]]'')
* Locking a door in the [[Great Intelligence Institute]] office ([[TV]]: ''[[The Snowmen]]'')
* Scanning a frozen pond ([[TV]]: ''[[The Snowmen]]'')
* Melting the [[Ice Governess]] using the new anti-freeze setting ([[TV]]: ''[[The Snowmen]]'')
* Scanning the melted Ice Governess to make sure she's gone and draining through the carpet ([[TV]]: ''[[The Snowmen]]'')
* Trying but failing to melt the Ice Governess again once she came back ([[TV]]: ''[[The Snowmen]]'')
* The Doctor used it on the Ice Governess while she was locked on the stairs (for unclear reasons) and then pointed it at Vastra when she commented that he was "enjoying this." ([[TV]]: ''[[The Snowmen]]'')
* Getting rid of the shield that was blocking the Ice Governess and putting a new one behind the Doctor and Clara ([[TV]]: ''[[The Snowmen]]'')
* Seemingly adding an extra layer of super dense water vapor to keep the Ice Governess "trapped for the moment" ([[TV]]: ''[[The Snowmen]]'')
* Scanning pieces of what used to be the Ice Governess ([[TV]]: ''[[The Snowmen]]'')
* Stripping away the disguise of the [[Great Intelligence]] ([[TV]]: ''[[The Snowmen]]'')
 
=== River's Screwdriver ===
The [[Doctor]] created this version at an unknown point in his life before River's final date with him at the [[Darillium]] [[Singing Towers]]. This version of the sonic screwdriver had the Mark VI's settings along with "dampers" and a "red setting" that allowed it to work without interference from [[Doctor Moon]]. The Doctor gave it to [[River Song]] so she would be ready when she met his [[Tenth Doctor|tenth incarnation]] in [[the Library]]. Unknown to her, this version included a [[Data Chip|Neural Relay]] which would save her [[data ghost]] for uploading into [[Charlotte Lux|the main computer]] of the Library. ([[TV]]: ''[[Silence in the Library]]'', ''[[Forest of the Dead]]'').
 
==== Known uses ====
* Activating and disabling [[gravity platform]]s. ([[TV]]: ''[[Forest of the Dead]]'')
* Slowing the descent of a fall. ([[TV]]: ''[[Forest of the Dead]]'')
* Fixing [[light bulb]]s. ([[TV]]: ''[[Forest of the Dead]]'')
* Storing the consciousness of an individual (specifically River's). ([[TV]]: ''[[Forest of the Dead]]'')
* Increasing mesh densities to over 800%. ([[TV]]: ''[[Forest of the Dead]]'')
 
== Related tools ==
* [[Liz Shaw]] had her own version of [[Third Doctor|the Doctor]]'s "door handle" device, which she used to open the door to the Doctor's shed. ([[TV]]: ''[[Inferno (TV story)|Inferno]]'')
* A [[Second Doctor (clone)|clone of the Second Doctor]] also possessed a sonic screwdriver, which he used along with the [[Fourth Doctor]]'s to send [[Hexford]] home. ([[AUDIO]]: ''[[Survivors in Space]]'')
* [[Romana II]] constructed her own sonic screwdriver. Her version was so impressive, that the Doctor offered to swap sonic screwdrivers with her. ([[TV]]: ''[[The Horns of Nimon]]'') She later gave it to the Doctor. ([[PROSE]]: ''[[Lungbarrow]]'') ''This resembled a smaller, slimmer version of the Doctor's Mark II.''
* The [[Fifth Doctor]] had a device called a sonic prodder, although he didn't consider it a tool like "his beloved sonic screwdriver" ([[PROSE]]: [[Falling from Xi'an]])
* The [[Eighth Doctor]], despite having lost his memories, built a device he called a sonic suitcase using eighties technology. ([[PROSE]]: ''[[Father Time (novel)|Father Time]]'')
* {{Simm|c}} had a similar tool, called a '''[[laser screwdriver]]'''. ([[TV]]: ''[[The Sound of Drums]]'')
* Captain [[Jack Harkness]] and later [[River Song]] had '''[[sonic blaster]]s''. ([[TV]]: ''[[The Empty Child]]'' / ''[[The Doctor Dances]]'', ''[[Silence in the Library]]'' / ''[[Forest of the Dead]]'')
* Using stolen and incomplete [[UNIT]] design plans, [[Toshiko Sato]] created a '''[[sonic modulator]]'''. ([[TV]]: ''[[Fragments (TV story)|Fragments]]'')
* [[Matron Cofelia|Miss Foster]] had a '''[[sonic pen]]''' with a design similar to the [[Tenth Doctor]]'s sonic screwdriver. ([[TV]]: ''[[Partners in Crime]]'')
* The Doctor gave [[Sarah Jane Smith]] a '''[[sonic lipstick]]''', a similar tool. ([[TV]]: ''[[Invasion of the Bane]]'')
* The Doctor mentioned that he once had a '''[[laser spanner]]''' as well, but [[Emmeline Pankhurst]] took it from him. ([[TV]]: ''[[Smith and Jones]]'')
* [[Mrs Wormwood]] was in possession of a ring called a '''[[Phonic disruptor]]'''. ([[TV]]: ''[[Enemy of the Bane]]'')
* The [[Sixth Doctor]] defeated [[Cyberman (Mondas)|Cybermen]] using a [[sonic lance]], similar in function to the sonic screwdriver. The Doctor used it as a weapon. ([[TV]]: ''[[Attack of the Cybermen]]'')
* The [http://tardis.wikia.com/wiki/Eleventh_Doctor Eleventh Doctor] used a '''[[sonic cane]] '''to contact [[Amy Pond]] and [[Rory Williams]] while they were miniaturised inside the [[Teselecta]] and to scan the Teselecta. ([[TV]]: ''[[Let's Kill Hitler]]'')
* While trapped on [[Apalapucia]] for thirty-six years, [[Amy Pond]] cobbled together a sonic screwdriver from various pieces of technology, although she insisted on calling it a '''"[[sonic probe]]"'''. She later admitted it was a sonic screwdriver. ([[TV]]: ''[[The Girl Who Waited]]'')
* [[Jackson Lake]] carried what is likely the most primitive iteration of the sonic screwdriver. His version was a regular [[19th century]] screwdriver, which he claimed was sonic by virtue of it making a sound when it was struck against a surface. ([[TV]]: ''[[The Next Doctor]]'')
* [[Gabriel (The Pirate Loop)|Gabriel]] created a similar device that was made out of [[Gun]]s ([[PROSE]]: ''[[The Pirate Loop]]'').


== Behind the scenes ==
== Behind the scenes ==
* The sonic screwdriver was retired during the Fifth Doctor serial ''[[The Visitation]]'', as it was felt that it had been overused. It was absent for the Sixth and Seventh Doctor's eras, except in ''[[Doctor Who (1996)|Doctor Who]]'', in which the Seventh Doctor used it to lock the Master's remains away; the Eighth Doctor recovered it at the end of the film. The tool was reintroduced with the Ninth Doctor and has become the show's most frequently used gadget besides the TARDIS itself. It has since appeared in many Seventh and Eighth Doctor audio adventures from [[Big Finish Productions]].
According to the fiction source [[REF]]: ''[[Doctor Who: The Visual Dictionary]]'', a sonic screwdriver was a common and basic [[Time Lord]] device. If needed, a Time Lord could make one from scratch in very little time.
* For unexplained reasons, the Tenth Doctor's Sonic Screwdriver had a green casing in ''[[The Infinite Quest]]''.
* During early production of Series 1 (2005), the production crew decided to switch from their original prop to one based on the toy Sonic Screwdriver because the first prop was prone to falling apart. The production team secured moulds of the toy replica to make a more reliable prop for the next season.
* Early conceptual art of the modern era Sonic Screwdriver feature a different "tube" section. Notes refer to "glowing organic circuitry" and a movable ball-joint on the emitter to allow use around corners and in tight spaces. Instead of the "glowing circuitry," the actual prop and toy reproductions featured a black "swivel" like a simple helix. When given a personal copy of the concept art, David Tennant himself commented on the lack of the swivelling emitter.
* Another early piece of concept art, similar to a simple Bitmap drawing, reveals that the black "cap" at the reverse end of the Sonic Screwdriver was intended to be an opening set of "feet," allowing the Sonic Screwdriver to plug into a section of the TARDIS console. This feature was also dropped from the eventual prop model.
* There are two main versions of the Mark VI Sonic Screwdriver - one has a slide feature with button, and one which does not slide and has a fixed button. The two prop types varied each episode.
* When the Doctor handles the screwdriver, the clinking noises produced (when he throws and catches it) are created by repeating the motions with a corkscrew, the handles of which bump against the casing to produce the required noise. These noises are dubbed over the footage.
* A toy of the Mark VII (Matt Smith version) was seen in "Light Echoes", an edition of [http://www.bbc.co.uk/programmes/b006mk7h "The Sky at Night"] broadcast on [http://www.bbc.co.uk/bbc4 BBC4] on Wednesday 5th October 2010. The screwdriver was (jokingly) used to scan a part of the [http://www.lofar.org.uk LOFAR] radio telescope, then under construction in Chilbolton, Hampshire, UK.
* In the original script for ''[[The Eleventh Hour]]'', the Doctor referred to the Mark VI Screwdriver as "Level 4000" technology.
* The Eleventh Doctor's sonic screwdriver toy has a total of four sound effects, two of which alternate with every other button press. The third is activated by pressing twice and holding on the third button push. The fourth is activated with three presses and a hold on the fourth push. However, in some models of the toy, over-use of the hidden sound effects causes the sound functions to eventually break, leaving only the LED functional.
* According to the [[Tardis:Canon policy|non-fiction]] source [[REF]]: ''[[Doctor Who: The Visual Dictionary]]'', the sonic screwdriver was a common and basic [[Time Lord]] device. If needed, a [[Time Lord]] could make one from scratch in very little time.
* Scientists at the University of Dundee invented a device which turns objects with ultrasonic waves, an invention which has been described as a real-world version of the Doctor's sonic screwdriver.[http://www.bbc.co.uk/news/uk-scotland-17760077]


== External links ==
== External links ==
* [http://nzdwfc.tetrap.com/archive/tsv31/sonicscrewdriver.html "Is That A Sonic Screwdriver in your Pocket, Doctor?" article by Jon Preddle]
* [http://nzdwfc.tetrap.com/archive/tsv31/sonicscrewdriver.html "Is That A Sonic Screwdriver in your Pocket, Doctor?" article by Jon Preddle]
* [http://www.thinkgeek.com/geektoys/cubegoodies/8cff Sonic Screwdriver toy on ThinkGeek]
{{Template:Sonic devices}}
* [http://theautogadgets.com/unique-screwdriver.html New sonic screwdriver 2010]
 
* [http://www.denofgeek.com/television/290333/doctor_who_new_pics_of_matt_smith-and_new_sonic_screwdriver.html New Doctor New Screwdriver]
[[cs:Sonický šroubovák]]
[[es:Destornillador Sónico]]
[[Category:Sonic screwdrivers| *]]
[[Category:The Doctor's items]]
[[Category:Gallifreyan technology]]
[[Category:Sonic devices|*]]

Latest revision as of 00:53, 22 October 2024

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The sonic screwdriver, also called a sonic probe or simply "the sonic", was a highly versatile tool used by many people throughout the universe, the most prominent of them being the Doctor.

While almost always referred to as a sonic screwdriver, this device has on occasion been referred to as a sonic probe by people other than the Doctor, such as Dalek Sec (TV: Doomsday) and a version of Amy Pond who had been stuck on Apalapucia for 36 years. (TV: The Girl Who Waited) The Tenth (TV: Doomsday) and Eleventh (TV: The Girl Who Waited) Doctors openly disliked this and corrected those who did so. The Ninth (TV: The Doctor Dances) and Twelfth Doctors (TV: The Husbands of River Song) also defended when others claimed it was inferior to other sonic devices like a sonic blaster or sonic trowel.

Technology and functions[[edit] | [edit source]]

Identified by the Daleks as a "sonic probe", (TV: Doomsday) the sonic screwdriver was considered to be very advanced Gallifreyan technology, (PROSE: Heart of TARDIS) although the Doctor could make one by using resources found on 21st century Earth with help from Stenza technology. (TV: The Woman Who Fell to Earth) During the Dalek-Movellan War, Davros dismissed the sonic screwdriver as a "simple" tool. (AUDIO: The Triumph of Davros)

The Doctor claimed to have either invented or designed the specific sonic screwdriver which they owned. In fact, the Seventh Doctor claimed to have filed a patent on the technology, (AUDIO: The Unknown) and to have copyright on the design. (AUDIO: The Quantum Possibility Engine)

When Kazran Sardick was confused as to what to do when it looked like Abigail Pettigrew was about to kiss him, the Eleventh Doctor told Kazran to trust him and kiss Abigail, as "it's this, or go to your room and design a new kind of screwdriver. Don't make my mistakes." (TV: A Christmas Carol) When Captain Jack Harkness asked the Ninth Doctor, "Who looks at a screwdriver and thinks 'Ooh, this could be a little more sonic'?", the Doctor defensively responded, "What? You never been bored? Never had a long night? Never had a lot of cabinets to put up?" (TV: The Doctor Dances)

Other individuals had similar devices, such as the sonic pen (which appeared to serve a near-identical function) used by Miss Foster (TV: Partners in Crime) and the sonic blaster used first by Captain Jack Harkness (TV: The Empty Child / The Doctor Dances) and later River Song. (TV: Silence in the Library / Forest of the Dead) Sarah Jane Smith had her sonic lipstick, (TV: Invasion of the Bane, etc.) and the Doctor himself once used a sonic cane. (TV: Let's Kill Hitler) Even Missy used a sonic umbrella. (TV: World Enough and Time/The Doctor Falls) River Song also had her own sonic screwdriver (TV: Silence in the Library / Forest of the Dead) that the Twelfth Doctor gifted her. (TV: The Husbands of River Song)

From time to time, the sonic screwdriver needed to be recharged. (PROSE: The Monsters Inside, COMIC: Bizarre Zero) It was self-repairing and could send out a homing signal to any parts that had been separated. (TV: A Christmas Carol) One account held that a sonic screwdriver was powered by a type of crystal that was similar to the Metebelis crystals. (COMIC: The Forgotten)

Sonic screwdrivers and similar technology could not unlock a deadlock seal. (TV: School Reunion, The Night of the Doctor) However, Miss Foster's sonic pen could open the deadlock seals that it was programmed to within her own facility when the Doctor's screwdriver could not. (TV: Partners in Crime) It also couldn't unlock the doors to the TARDIS if they had been manually locked at the console. (TV: Utopia) Some or all versions were ineffective against wood. (TV: Night Terrors, The Doctor, the Widow and the Wardrobe, The Time of the Doctor, Empress of Mars) It didn't work in the presence of some models of hairdryers, although the Tenth Doctor stated he was working on it. (TV: Forest of the Dead, PROSE: Catastrophea)

Individual sonic screwdrivers[[edit] | [edit source]]

The Doctor's screwdriver[[edit] | [edit source]]

Main article: The Doctor's sonic screwdriver

The Doctor, throughout many of their lives, possessed a sonic screwdriver. They originally used a basic model in their first (PROSE: Venusian Lullaby) and second incarnations, (TV: Fury from the Deep) before upgrading in their third. (TV: The Sea Devils) However, according to one account, the First Doctor was unfamiliar with the sonic screwdriver when he met the Twelfth Doctor. (TV: Twice Upon a Time) Similarly the accounts depicting the Doctor's life as the Timeless Child prior to their first incarnation showed at least one of them as being unfamiliar with the sonic screwdriver and dismissive of it. (TV: Fugitive of the Judoon) The Doctor continued to use the model introduced during his third incarnation until it was destroyed in their fifth by a Terileptil leader. (TV: The Visitation) It wasn't until they were in their seventh incarnation before they began to use a screwdriver again, taking on various different models throughout the years. (TV: Doctor Who, Rose, The Eleventh Hour, Hell Bent, The Woman Who Fell to Earth, WC: The Fourteenth Doctor's Sonic Screwdriver [+]Loading...["The Fourteenth Doctor's Sonic Screwdriver (webcast)"], AUDIO: The World Tree [+]Loading...["The World Tree (audio story)"])

Early versions of their sonic screwdriver were used mainly for the picking of locks and for projecting sound so as to, for example, detonate objects and fry circuitry. (TV: The Sea Devils) By the time of the Ninth Doctor, the sonic was able to also be used as a sophisticated scanning device, with medical applications. (TV: The Empty Child) Subsequent incarnations gave it even wider functionality, such as the ability to hack into computers, (TV: Smith and Jones) provide geolocation (TV: Evolution of the Daleks) and actively defend against some types of assault weapons by frying their internal mechanics and causing the weapons to burst into flames and spark from the inside. (TV: Cold Blood) The tool could create powerful frequencies and signals, (TV: Partners in Crime, Thin Ice) as well as use sound to carry out its functions, even to the point where three of its latest incarnations where able to create a sonic force blast powerful enough to repel and destroy a Dalek while working together, (TV: The Day of the Doctor) as well as shoot green sonic energy waves to briefly incapacitate or stun a target. (TV: The Doctor Falls)

All of these incarnations utilised the same core software, though they used different hardware. While it was different individual model, for all intents and purposes the War Doctor's sonic was the same as the Eleventh Doctor's some 400 years later. (TV: The Day of the Doctor) However, the Thirteenth Doctor, having lost the Twelfth Doctor's sonic screwdriver, created her own version. As such, hers used unique software, and was made from 21st century Earth components, as well as part of a Recall Circuit from the Stenza Homeworld. (TV: The Woman Who Fell to Earth) Although, by the time of the Fifteenth Doctor, his screwdriver featured the same software as previous models. (AUDIO: The World Tree [+]Loading...["The World Tree (audio story)"])

Romana's screwdriver[[edit] | [edit source]]

Main article: Romana's sonic screwdriver

Romana II constructed her own sonic screwdriver, which was so impressive that the Doctor attempted to substitute his own with hers, but she noticed the switch. (TV: The Horns of Nimon) Her version also included a silencer. (AUDIO: Luna Romana) She later gave it to the Doctor. (PROSE: Lungbarrow) Nonetheless, during the final term of her presidency, her third incarnation used a sonic screwdriver. (AUDIO: Intervention Earth)

River's screwdriver[[edit] | [edit source]]

Main article: River Song's sonic screwdriver
River receives her sonic screwdriver. (TV: The Husbands of River Song)

The Twelfth Doctor gave River Song another screwdriver before River's final date with him at the Singing Towers of Darillium. (TV: The Husbands of River Song, Silence in the Library) This version of the sonic screwdriver somewhat resembled the Ninth and Tenth Doctor's model, which was notable when she met the latter in the Library, though it looked elaborately decorated and modified, featuring increased and enhanced functionality, including "dampers" and a "red setting" that allowed it to work without interference from the Doctor Moon. The Doctor gave it to River so she would be ready when she met his tenth incarnation in the Library. (TV: Forest of the Dead, PROSE: Time Lord Technology [+]Loading...{"page":"56","1":"Time Lord Technology (feature)"})

Other screwdrivers[[edit] | [edit source]]

Quadrigger Stoyn possessed a sonic screwdriver in his workcase aboard the Doctor's TARDIS, which he had been working on shortly before the First Doctor stole the ship. (AUDIO: The Beginning)

A clone of the Second Doctor also possessed his own sonic screwdriver, which he used along with the Fourth Doctor's to send Hexford home. (AUDIO: Survivors in Space)

Narvin had a sonic screwdriver made, based on the Doctor's design, after seeing its utility when carried by the Doctor. At first he objected, preferring to call it a sonic lockpick, but then admitted the nature of his new device. (AUDIO: The Quantum Possibility Engine)

Ace had a sonic screwdriver which she took with her to Outpost Delta. (AUDIO: Enemy Lines)

Doctor Ogron built his own sonic screwdriver. (AUDIO: Planet of the Ogrons)

Jackson Lake carried a regular screwdriver from the 19th century which he claimed was sonic by virtue of it making a sound when it was struck against a surface. (TV: The Next Doctor)

While trapped on Apalapucia for thirty-six years, Amy Pond cobbled together a sonic device from various pieces of technology, but insisted upon calling it a sonic probe. She later conceded that it was a "sonic screwdriver". (TV: The Girl Who Waited)

Vastra had a sonic screwdriver that was a gift from the Doctor. She used it to shatter the glass of the Crystal Palace. It had a red tip, and was similar in design to that used by the Doctor's eleventh incarnation. (COMIC: The Crystal Throne)

Behind the scenes[[edit] | [edit source]]

According to the fiction source REF: Doctor Who: The Visual Dictionary, a sonic screwdriver was a common and basic Time Lord device. If needed, a Time Lord could make one from scratch in very little time.

External links[[edit] | [edit source]]