The Sound of Drums (TV story)

The Sound of Drums
Script release:	online here
Doctor:	Tenth Doctor
Companion(s):	Martha, Jack
Featuring:	Francine, Clive, Tish, Trinity, Leo, Newsreader
Main enemy:	The Saxon Master
Main setting:	London, the 2000s
Key crew
Writer:	Russell T Davies
Director:	Colin Teague
Producer:	Phil Collinson
Release details
Story number:	187b
Premiere broadcast:	23 June 2007
Premiere network:	BBC One
Format:	1x45 minute episode Part 2 of 3
Production code:	3.12
Confidential:	The Saxon Mystery
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The Sound of Drums was the twelfth and penultimate episode of series three of Doctor Who.

It marked the first full appearance of John Simm as the Master, disguised as Harold Saxon, revealing the significance of that name across the series; the Master had been behind the scenes in the modern day since Love & Monsters, having arrived a year and a half prior to Torchwood's story End of Days. It also introduced a fictitious version of the United States President. At the end of this episode, the Doctor appeared profoundly defeated, with catastrophic consequences for his companions and the residents of the planet Earth.

The episode is also notable for showing the Master as a child, making it the only known appearance of the Master's first incarnation on television. The story also revealed Jack's involvement with Torchwood.

Synopsis

The Tenth Doctor, Martha Jones and Jack Harkness return to present day London, horrified to discover that Prime Minister Harold Saxon is the Master. "Saxon" informs the world about receiving contact from an alien race called the Toclafane. Framed as fugitives, the Doctor, Martha and Jack try to sneak in and stop the Master before he unleashes a wave of terror. But his dark ambitions reach beyond the stars...

Plot

The Tenth Doctor, Martha Jones, and Jack Harkness are trapped by the Futurekind. The Doctor fixes Jack's vortex manipulator to get them to 21st century Earth; the trip, however, is not comfortable, with the Doctor complaining that time travel without a capsule is "a killer". Martha says that the Master could be anywhere in time and space with the TARDIS, but the Doctor asserts that he is on Earth in this period of time.

Meanwhile, Harold Saxon is on the news with his wife Lucy, having just come from Buckingham Palace after winning the election and being confirmed as Great Britain's new Prime Minister. Martha tells the Doctor that she recognised the Master's voice inside the TARDIS: it was that of Harold Saxon. The Doctor realises with horror that not only is the Master now Prime Minister, but he is married as well!

The Master prepares to gas the Cabinet.

In 10 Downing Street, the Master is on his way to his first Cabinet meeting. He meets Tish Jones, who now works at 10 Downing Street. After speaking to Tish, he walks into the Cabinet Room. He tosses dossiers into the air, but his enthusiastic attitude only manages to elicit a smile from Albert Dumfries. The Master quickly changes his attitude and insults the Cabinet, calling them traitors for abandoning their political parties and jumping on his political bandwagon as soon as they saw the vote swinging his way. As their "reward", he quickly sits down and puts on a gas mask. Albert asks the Master why he is wearing a mask, and the Master replies that he's wearing it because of the gas, a process made difficult to explain because the mask muffles his voice. Before anyone can figure out what he means, toxic gas is sprayed into the room from the two deskphones' speakers. Albert manages to splutter out, "You're insane!" to the Master, who replies with a double thumbs up, before he drops dead on the table, following the other ministers. The Master, surrounded by his dead cabinet, begins to tap his fingers on the table in a four-beat rhythm.

Martha returns home with Jack and the Doctor and they quickly set up a computer search about "Harold Saxon" which shows he was the former Minister of Defence who entered the public eye when he had the Racnoss Webstar shot down on Christmas Eve. Martha points out that he has a complete biography; his education and achievements are all known to the public.

At Downing Street, Lucy Saxon is speaking to Tish when a woman named Vivien Rook arrives from the Sunday Mirror, saying she is there to interview Lucy about being the Prime Minister's wife and asks Tish to leave. After Tish leaves, Rook confronts Lucy about her husband's fictitious life story: he only appeared shortly after the downfall of Harriet Jones, but all of his background prior to that has been forged, and curiously, no one is bothering to question the forgery. Lucy responds that she made her choice for better or worse, revealing the Master's presence in the room. The Master admits that "Harold Saxon" doesn't exist, at which point he conjures four robotic balls the size of footballs. He tells one to kill Vivien as he and Lucy leave. As they rush in on Vivien and slice her to death with tiny knife blades, Lucy angrily remarks that the Master told her that "Archangel" was 100 percent sure and questions him on how Vivien knew everything; the Master demurs, admitting it was more like 98-99 percent. Lucy then fearfully remarks that other people may be asking questions about them and that their time is running out. The Master embraces his wife and promises her that tomorrow, the world will end.

At Martha's flat, Jack suggests that the Master could have been living in Earth for decades, but the Doctor explains that when he used his sonic screwdriver on the TARDIS as the Master stole it, he fused the coordinates so that it would only go to the last place and time it had landed in, that being 21st century Earth. He estimates that the Master couldn't have arrived more than eighteen months earlier, so doesn't understand how he has the entire country supporting him in such a short time, even if he was "always hypnotic". Martha and Jack admit they thought he was a nice guy, and they had even planned to vote for him. The Doctor asks what exactly Harold Saxon stood for, but Martha struggles for an answer stating he just had a voice she felt she could trust. During this, Martha begins tapping her fingers in a four-beat rhythm which the Doctor picks up on. Suddenly a Saxon Broadcast comes on the television. In the broadcast, the Master mentions several previous alien attacks, namely the destruction of Big Ben, the spaceship over London, the ghosts and metal men, and the Christmas Star that came to kill; and how the government kept them secret. He then says he has been contacted by a new species, called the Toclafane. The Doctor is aghast upon hearing the name, knowing it's false. The Master then claims that tomorrow morning, "We will take our place in the universe. Every man, woman, and child. Every teacher and chemist and lorry driver and farmer. I don't know — every medical student?" The Doctor, knowing the Master is talking to them, looks behind the television and finds a bomb; he, Martha and Jack run out on to the street just before it explodes, destroying Martha's flat.

Martha's family are arrested.

The Doctor, Martha and Jack climb into a car and Martha calls her mum against the Doctor's advice. Francine asks her to come to her house, claiming she has plans of getting back together with Clive. Martha realises something is wrong, as she knows her mother can barely stand to be in the same room as her ex-husband under normal circumstances. Francine hands the phone to Clive, and Martha asks him to just say 'Yes' or 'No' when she asks if anyone is there with him, not knowing Miss Dexter, a government official working for the Master, is listening to the conversation. Clive, after considering for a second, answers "Yes," and tells Martha to run. Miss Baxter orders the police to arrest the entire Jones family. Martha phones Tish at Downing Street, just as Tish is dragged away by two guards. Martha, the Doctor, and Jack arrive at Francine's house as Francine and Clive are being forcibly dragged by police to a jail transporter van. As they screech to a stop, Francine shouts a warning to Martha, and Miss Dexter orders armed police to ready their rifles. With no choice but to make a run for it, Martha quickly puts the car in reverse and drives off as the police officers open fire, bullets shattering the back windshield and the sides of the car. As they drive off, the police officers shove Francine and Clive into the back of the van and lock the back doors.

As the three of them abandon the car, Martha phones Leo, who is in Brighton with his partner and child visiting a friend. As Martha warns her brother to hide, the Master interrupts the phone call. The Doctor takes the phone and talks to his old enemy, demanding to know who the Toclafane are as he knows there's no such race. The Master changes the subject and asks about Gallifrey, and is surprised to learn that the planet is gone, the Daleks are almost wiped out and the two of them are the last Time Lords. The Master says that the Time Lords resurrected him as the perfect warrior to fight in the Time War, but he ran away in fear when the Dalek Emperor took control of the Cruciform, explaining that he used a chameleon arch to turn himself into a human and fled to the end of the universe so he couldn't be found. The Master realises that as the Doctor survived the Time War then he must have been the one to end it, and tries to get under his skin by asking how it felt to have two mighty civilisations die by his hand. The Doctor keeps his cool and begs the Master to leave Earth alone. The Master refuses and informs the Doctor that he, Martha, and Jack have now been deemed as armed and extremely dangerous terrorists and that Jack's friends have been sent on a wild goose chase to the Himalayas. The Master then suggests that the Doctor turn to the right. The Doctor turns, sees a surveillance camera there, and realises that the Master is watching him through it. He promptly shorts it out with his sonic screwdriver. They decide to take the Master's advice and take off running.

That evening, one of the Toclafane appears before the Master asking if "the machine" is ready. The Master informs it that it will reach a critical mass at 8:02 AM, two minutes after the "first contact". The Toclafane reminds him of the darkness that is coming from which the Toclafane must run, but the Master merely reminds the creature of their deadline.

As the TARDIS crew hide in an abandoned warehouse, eating takeaway chips, the Doctor gives Martha and Jack some insight into the Master's origins. After denying Martha's suggestion that he and the Master were brothers, he explains that at the age of eight, initiates were taken by the Time Lords to look into a gap in the fabric of reality known as the Untempered Schism, through which could be seen the whole of the time vortex. Some were inspired; some ran away and some were driven mad. While the Doctor ran and has never stopped running, he believes the Master went mad. Jack then receives a posthumous message from Vivien Rook to Torchwood Three about the Archangel Network. The Doctor is initially disgusted about Jack's involvement with Torchwood, but Jack insists that not only was the old Torchwood regime destroyed at Canary Wharf, but that under his command Torchwood no longer perceives the Doctor as a threat. Vivien's message reveals that the Master has been using the Archangel Network of communication satellites to hypnotise people to vote for him. This also kept the Doctor from detecting him earlier — Time Lords have an ability to sense when another one of their own is around, as well as recognise another Time Lord after they have regenerated. The Doctor then produces three keys equipped with perception filters allowing himself, Martha, and Jack to be seen, but not detected if they put them on.

The Paradox Machine.

The American president, Arthur Winters, arrives in Air Force One in London. He tells the Master that UNIT has control over the operation, citing a United Nations protocol. Winters insists on moving the first contact to the neutral ground of the UNIT aircraft carrier Valiant and conducting the meeting with the Toclafane himself. The Master brings along Francine, Tish and Clive, and the Doctor and friends follow using Jack's vortex manipulator. On board, they find the TARDIS, its cloister bell ringing, and the interior glowing an ominous red. It has been changed by the Master into a paradox machine, set to go off at 8:02 AM, two minutes after the first contact. The trio head for the room in which the first contact is being held. The Doctor has a plan: if he manages to put the TARDIS key around the Master's neck, then everyone will see the Master for who he truly is.

President Winters begins his address.

When the first contact begins, the Toclafane complain that the president is not their "Master". The Master reveals himself to the entire world and tells the Toclafane to kill the president; Winters is promptly incinerated on sight. The Doctor is captured by the guards — the Master had seen past the perception filter and knew he and the others were there all along. The Master temporarily kills Jack with his laser screwdriver, equipped with LazLab's Genetic Manipulation technology. With access to DNA from the Doctor's hand, it allows the Master to artificially and visibly age the Doctor by 100 years adapted from Richard Lazarus's de-ageing technology. The Master brings in the Jones family to witness this attack, revealing their betrayal in doing so.

The Toclafane invade Earth.

With the paradox machine ready, the Master tells the people of Earth to witness the end of the world. The paradox machine activates, creating a massive rift above the Valiant from which six billion Toclafane descend as the Master and Lucy dance to "Voodoo Child". The Master orders them to kill one tenth of the Earth's population. When asked, he refuses to reveal the true identity of the Toclafane, saying it would break the Doctor's hearts. Whilst the Master is distracted, the Doctor whispers something to Martha and, with a regretful look at her friends and family, she teleports to Earth using Jack's vortex manipulator. As she watches the Toclafane descend and start laying waste to Earth, she promises that she'll be back, and runs away from the city.

Back in the Valiant, the Master and Lucy look down on the planet with the aged Doctor between them, forced to confront his failure.

Cast

• The Doctor - David Tennant
• Martha Jones - Freema Agyeman
• Captain Jack Harkness - John Barrowman
• The Master - John Simm
• Francine Jones - Adjoa Andoh
• Tish Jones - Gugu Mbatha-Raw
• Clive Jones - Trevor Laird
• Leo Jones - Reggie Yates
• Lucy Saxon - Alexandra Moen
• President - Colin Stinton
• Vivien Rook - Nichola McAuliffe
• Albert Dumfries - Nicholas Gecks
• Herself - Sharon Osbourne
• Themselves - McFly
• Herself - Ann Widdecombe
• BBC Newsreader - Olivia Hill
• US Newsreader - Lachele Carl
• Chinese Newsreader - Daniel Ming
• Sinister Woman - Elize du Toit
• Sphere Voices - Zoe Thorne, Gerard Logan, Johnnie Lyne-Pirkis

Uncredited cast

• The Master (aged 8) - William Hughes

Crew

Executive Producers   Russell T Davies and Julie Gardner

Written by Russell T Davies	Produced by Phil Collinson	Directed by Colin Teague	Director of Photography Rory Taylor	Production Designer Edward Thomas	Visual Effects The Mill
Make-up Designer Barbara Southcott	Casting Director Andy Pryor CDG	Music Murray Gold	Costume Designer Louise Page	Edited by Mike Hopkins	Special Effects Any Effects
Original theme music by Ron Grainer  •  With thanks to the BBC National Orchestra of Wales

General production staff Production Executive - Julie Scott Production Manager - Tracie Simpson Location Manager - Antonia Grant Unit Manager - Rhys Griffiths Production Co-ordinator - Jess van Niekerk Production Assistant - Debi Griffiths Production Secretary - Kevin Myers Senior Production Accountant - Endaf Emyr Williams Production Accountant - Oliver Ager Contracts Assistant - Kath Blackman Finance Manager - Chris Rogers Script department Script Editor - Simon Winstone Camera and lighting department 1st Assistant Director - Peter Bennett 2nd Assistant Director - Steffan Morris 3rd Assistant Director - Sarah Davies Floor Runner - Heddi Joy Taylor Continuity - Non Eleri Hughes 2nd Camera Operator - Erik Wilson Focus Puller - Steve Rees 2nd Focus Puller - Jamie Southcott Grip - John Robinson Camera Assistant - Tom Hartley Boom Operator - Jon Thomas Gaffer - Mark Hutchings Best Boy - Peter Chester	Art department Chief Supervising Art Director - Stephen Nicholas Supervising Art Director - Arwel Wyn Jones Art Department Production Manager - Jonathan Marquand Allison Associate Designer - James North Set Decorator - Tristan Peatfield Props Buyer - Catherine Samuel Design Assistants - Peter McKinstry, Ian Bunting, Al Roberts Standby Props - Phill Shellard, Nick Murray Standby Carpenter - Paul Jones Standby Art Director - Lisa McDiarmid Standby Rigger - Bryan Griffiths Standby Painter - Ellen Woods Chief Props Master - Adrian Anscombe Props Master - Paul Aitken Props Chargehand - Gareth Jeanne Chief Props Maker - Barry Jones Props Makers - Penny Howarth, Nick Robatto Construction Manager - Matthew Hywel-Davies Construction Chargehands - Allen Jones, Scott Fisher Graphics - BBC Wales Graphics Costume department Costume Supervisor - Lindsay Bonaccorsi Assistant Costume Designer - Marnie Ormiston Costume Assistants - Sheenagh O'Marah, Kirsty Wilkinson	Make-up and prosthetics Make-up Artists - Pam Mullins, Steve Smith, John Munro Prosthetics - Millennium FX Prosthetics Designer - Neill Gorton Prosthetics Supervisor - Rob Mayor Prosthetics Technicians - Anthony Parker, Gustav Hoegen Movement Stunt Co-ordinator - Tom Lucy Stunt Performers - Gordon Seed, Dani Biernat, Curtis Rivers Casting Casting Associates - Andy Brierley, Kirsty Robertson General post-production staff Post-production Supervisors - Samantha Hall, Chris Blatchford Post-production Co-ordinator - Marie Brown Assistant Editor - Tim Hodges On-line Editor - Mark Bright Special and visual effects Visual FX Producers - Will Cohen, Marie Jones Visual FX Supervisor - Dave Houghton VFX Editor - Ceres Doyle VFX Co-ordinators - Jenna Powell, Rebecca Johnson VFX Production Assistant - Marianne Paton On-set VFX Supervisor - Barney Curnow SFX Co-ordinator - Ben Ashmore SFX Supervisor - Danny Hargreaves SFX Technicians - Dan Bentley, Richard Magrin 3D Artists - Nicholas Hernandez, Jean-Claude Deguara, Jeff North, Matthew McKinney, Serena Cacciato, Will Pryor, Paul Burton, Bruce Magroune 2D Artists - Sara Bennett, Russell Horth, Bryan Bartlett, Adam Rowland, Ariana Lago, Tim Barter Colourist - Mick Vincent Digital Matte Painter - Simon Wicker Sound Sound Recordist - Julian Howarth Dubbing Mixer - Tim Ricketts Supervising Sound Editor - Paul McFadden Sound FX Editor - Paul Jefferies Sound Editor - Doug Sinclair

Not every person who worked on this adventure was credited. The absence of a credit for a position doesn't necessarily mean the job wasn't required. The information above is based solely on observations of the actual end credits of the episodes as broadcast, and does not relay information from IMDB or other sources.

Worldbuilding

• On board the Valiant, the Master and his wife are seen eating jelly babies from a white paper bag.
• The Master watches an episode of the Teletubbies.
• The Doctor states that the "children of Gallifrey" are 8 years old when they enter the Time Lord Academy.
• Saxon offers President Winters some grits on board the Valiant.
• The Doctor, Jack and Martha watch television in the window of Crossgate Cabs.
• Jack accesses dailyexamineronline.co.uk.
• The Master uses a Condition Red.
• AFC is a brand.
• Interstate 15 is seen.

Notes

• This episode is part of a continuous arc which begins in the Torchwood episode Captain Jack Harkness, is developed in the Torchwood episode End of Days, switches over to Doctor Who in Utopia, develops in this episode, and ends in Last of the Time Lords.
• Russell T Davies' interpretation of the Master was influenced by the Rogue Traders song "Voodoo Child", and he asked script editor Simon Winstone to clear its use in the story even before he had begun writing the scripts. Indeed, the lyric, “Here it comes, the sound of drums,” provided the episode with its title. Davies almost forgot to include the song in the narrative and was reminded by Winstone at a late stage.
• This is the first three-part story since Survival, which incidentally was the last of the ongoing series to feature the Master.
• Sharon Osbourne, McFly and Ann Widdecombe appear as themselves endorsing Harold Saxon.
• In an interview with Doctor Who Magazine, Russell T Davies stated that the eponymous drumbeat was not inspired by the opening bars of Ron Grainer's original Doctor Who theme tune (as many fans believed), but by his alarm clock which plays a sound similar to the aforementioned sound of drums when it goes off.
• The series 4 track, "UNIT Rocks", plays on the President's arrival in Britain. However, it switches to the series one and two track, "UNIT", on his departure.
• Many aspects of the episode all revolve around the number four. There are four drum beats; when the Toclafane are first shown, there are four of them; and on each Toclafane there are four spikes on the bottom plate and four spikes on the middle plate.
• This episode shows the surface of Gallifrey, the Capitol and other Time Lords.
• The Seal of Rassilon is visible on various elements during the Gallifrey flashback.
• When Jack logs onto the Torchwood system, the Torchwood theme tune plays in the background.
• The Master wears variations of various outfits from different stories. He wears a black single-breasted suit, white shirt and black tie, from Planet of Fire, albeit without the black leather gloves worn in the original costume. He also wears a black overcoat with red satin lining, like Jon Pertwee's early outfit and black leather gloves during his airport meeting with President Winters.
• This is the first time a Gallifreyan child has appeared on screen, although there had been previous references to "time tots" during the Fourth Doctor era, and Susan Foreman, the Doctor's granddaughter, was said to be 15 in An Unearthly Child. In Smith and Jones the Tenth Doctor refers to having played with röntgen-bricks in the nursery.
• It is indicated that Jack has possible romantic feelings for the Doctor: in The Parting of the Ways he kissed the Ninth Doctor as well as Rose and when the Doctor uses the analogy of being in love with someone who doesn't even realise it, Jack asks Martha, "You too?" with a serious look on his face.
• When the Doctor and the Master are speaking to each other the phone, they really are talking to the other person. Instead of having the lines read to them on the set, David Tennant and John Simm called each other in order to make the scene more authentic.
• As the Toclafane remove one tenth of the population Noel Clarke's voice can be heard during the alarm calls.
• Martha's suggestion that the Doctor and the Master are brothers - dismissed by the Doctor - was Russell T Davies' response to a popular fan theory he found rather daft.
• Some of the car action sequences in this episode were filmed by Freema Agyeman herself rather than a stunt double.
• David Tennant's makeup in which the Doctor is aged 100 years was inspired by William Hartnell.
• The Gallifreyan headpiece was an original prop from the classic series. At the suggestion of Gary Russell, the young Master's outfit reflected the earlier Time Lord costumes established in The War Games.
• The car chase was originally much more elaborate. It was scaled down due to budget concerns.
• Russell T Davies decided against bringing back the Master's tissue compression eliminator, despite his fondness for it. He decided that he had enough tricks to use against the Doctor.
• When Saxon addresses the nation, his first words are "Britain, Britain, Britain". Tom Baker used these words often as a narrator for the comedy series Little Britain.
• The Mysterious Man from The Lazarus Experiment was due to make a cameo appearance. But when Bertie Carvel was not free, the character became Sinister Woman instead.
• Vivien Rook was named for journalist Jean Rook. Russell T Davies would later use the name again in Years and Years.
• Having already examined a well-meaning, if flawed, Prime Minister in the form of Harriet Jones, Russell T Davies was now eager to explore what would happen if the Prime Minister were a truly malevolent figure such as the Master.
• Searching for a suitable humiliation which the Master could inflict upon the Doctor, Russell T Davies turned to Neill Gorton and Millennium FX, who handled various monster costumes and prosthetics. They had won a BAFTA Craft Award for transforming Paul Whitehouse into an elderly man for Help, and Davies confirmed that they could likewise give David Tennant the appearance of decrepitude.
• The Archangel Network was originally named Angel One.
• A more elaborate car chase sequence was excised after it was found to place too great a strain on the budget.
• Colin Teague's wife Marjorie played the woman watching television with her baby.
• The cafe scene had originally been scheduled for Mac's Cafe in Cardiff, but had been postponed and was instead recorded at Forte's in Barry.

Ratings

• 6.9 million viewers - Overnight ratings
• 1.09 million viewers - BBC3 Sunday repeat ratings
• 7.51 million viewers - Final ratings

Myths

• The drumbeat was based upon Ron Grainer's theme music for Doctor Who. As noted above, according to Russell T Davies an alarm clock inspired it.

Filming locations

• Hensol Castle, Miskin, Pontyclun, Mid Glamorgan, South Wales
• Esplanade, Cwrt-y-Vil Road, Queen's Road, High Street, Arcot Street, in Penarth

• The Friary, Cardiff
• Wales Millennium Centre, Cardiff
• Maelfa Shopping Centre, Llanedeyrn, Cardiff
• College Green, Abingdon Street, Westminster, London
• Wenallt Woods, Wenallt Road, Caerphilly
• University Place, Splott, Cardiff
• MOD St Athan, Barry, Vale of Glamorgan
• Maindy Road, Cathays, Cardiff
• Whitmore Bay, Barry Island, Vale of Glamorgan
• Fortes, Barry Island, Vale of Glamorgan

Production errors

If you'd like to talk about narrative problems with this story — like plot holes and things that seem to contradict other stories — please go to this episode's discontinuity discussion.

• When the Master first puts on his gas mask, it is the correct way up. It then cuts to a different shot where it is upside down. It then goes back to the first shot where it is the correct way up again.
• When the Master stands up on the Valiant to announce that he is "the Toclafane's Master", President Winters is visible in the background, only the Toclafane aren't there. In the next shot, they return, buzzing around Winters' head.
• When the Master runs to the window to watch the spheres descend, he presses against the wall, which visibly bows out.

Continuity

• The Doctor reacts badly to Jack working for Torchwood; remembering their part in the Canary Wharf Battle. (TV: Army of Ghosts/Doomsday) Defending himself, Jack says "there's only a few of us left." (TV: Everything Changes)
• Saxon describes himself as a doctor. The Reborn Master once pretended to be the Doctor. (AUDIO: Dominion)
• Whether intentional or coincidental, the Master's speech at Saxon's victory reflects how the Seventh Doctor once proclaimed that the universe was sick and needed a doctor. (AUDIO: The Two Masters)
• The Doctor recalls Time Lords in their ceremonial dress. (TV: The Deadly Assassin, et al.)
• The Doctor and the Master discuss the Last Great Time War, (TV: Dalek) specifically the Doctor's role in ending the war, (TV: Doomsday) and how the War Master ran away to the end of the universe. (TV: Utopia) The Master mentions he saw the Dalek Emperor take control of the Cruciform. (AUDIO: The Heavenly Paradigm)
• The Doctor tells the Master that the Daleks are all dead "more or less". In his last encounter with the Cult of Skaro, the Doctor had seen the escape of Dalek Caan, who he believed to be the last Dalek in existence. (TV: Evolution of the Daleks) However, he is soon to see a New Dalek Empire made by Davros thanks to Caan rescuing him from the Time War. (TV: The Stolen Earth|Journey's End)
• The Doctor mentions how he tried more than once to end the Time War in a better way. The Eighth Doctor told the Dalek Time Strategist he'd do so. (AUDIO: Restoration of the Daleks) The War Doctor tried to convince the High Council, and was outraged by President Rassilon's plan to use the Tear of Isha on the Tantalus Eye in order to prevent the Dalek Empire's plan to wipe Gallifrey; knowing it mean the genocide of many worlds. (PROSE: Engines of War)
• The outfit the young Master wears is similar to that which the Time Lords wore at the Second Doctor's trial. (TV: The War Games)
• The destruction of Big Ben, (TV: Aliens of London) the Sycorax spaceship over London (TV: The Christmas Invasion) and Racnoss Webstar at Christmas (TV: The Runaway Bride) are mentioned.
• Albert Dumfries calls the Saxon Master insane before his death. Gharman, a Kaled rebel, calls Davros insane for removing morality from Kaled mutants to make Daleks, and is killed by Genesis Daleks. (TV: Genesis of the Daleks) The President of Great Britain on Pete's World considered John Lumic insane for planning to cyber-convert humanity to Cybermen because it mean costing them their souls, and ends up killed by a Cybus Cyberman. (TV: Rise of the Cybermen)
• Harriet Jones was a previous Prime Minister. (TV: The Christmas Invasion)
• The Master references Professor Lazarus and his Genetic Manipulation Device, and reveals he used Martha's family as his pawns. (TV: The Lazarus Experiment )
• The Master still has the Doctor's hand which he lost in a sword fight with a Sycorax leader, (TV: The Christmas Invasion) which Jack had with him while in charge of Torchwood, (TV: Everything Changes et al.) and took with him when he met up with the Doctor. (TV: Utopia)
• The Doctor was artificially aged many years previously on Argolis. (TV: The Leisure Hive)
• The Doctor, Jack and Martha eat chips together. The Ninth Doctor and Rose Tyler previously did this. (TV: The End of the World)
• The Master's line, "Peoples of the Earth, please attend carefully", is similar to his previous call for the attention of the "peoples of the universe". (TV: Logopolis)
• Martha Jones' television set is built by Magpie Electricals, the same electronics company which helped the Wire. (TV: The Idiot's Lantern)
• The Master watching Teletubbies marks the second time he is seen watching a children’s show. During his imprisonment on Fortress Island, he watched the puppet show Clangers. (TV: The Sea Devils)
• The Master has caused people to age prematurely before. His experiments with the TOMTIT machine resulted in Stuart Hyde becoming very old, then reverting back to normal. Conversely, Sergeant Benton regressed to a baby and was later turned back into an adult. (TV: The Time Monster)

Home video releases

• 

  The Complete David Tennant Years DVD
  Region 1 US cover

• 

  The Complete Series Three DVD box-set

• 

  Series 3 Volume 4 DVD Cover

• 

  Doctor Who: The Complete Series One to Four DVD box-set

• 

  Doctor Who: The Complete Series One to Seven DVD box-set

• This story was released with Utopia and Last of the Time Lords on the Series 3 Volume 4 DVD.
• It was also part of the series 3 DVD box set.

External links

• Official BBC Website - Episode Guide: The Sound of Drums
• The Sound of Drums at the Doctor Who Reference Guide
• The Discontinuity Guide to: The Sound of Drums at The Whoniverse
• The Sound of Drums at The Locations Guide