Nikola Tesla's Night of Terror (TV story): Difference between revisions

New York City, the turn of the 20th century. For Nikola Tesla, his grand ideas for revolutionising electricity and communication are proving to be a hard sell to the public. His business rival, Thomas Edison, may not want him to succeed, but surely even he cannot be behind the sudden appearance of hostile alien scavengers? The Thirteenth Doctor and her friends are about to find out.

Plot[[edit] | [edit source]]

From in front of Niagara Falls at the start of the 20th century, the inventor Nikola Tesla introduces a group of men to a new method of harnessing electricity. Moving inside his laboratory, he demonstrates to them a wireless electrical system. The group is impressed until he admits he needs an investment of $50,000 to continue. An investor called Brady recalls Tesla's claims of receiving a signal from Mars and backs away from the deal. As the lights flicker, a man enters to declare an emergency.

Tesla and his assistant, Dorothy Skerrit, discover a dead man nearby. She believes he may have been killed by Tesla's apparatus, so he sets to work on it alone. That night, he realises some parts have been stolen and discovers a small green orb floating. Hearing mysterious noises, Tesla and Dorothy attempt to hide from a figure that turns out to be the Doctor, however, she is interrupted by the appearance of Brady with a gun. Brady is suddenly shot by a laser bolt, and the Doctor shows an escape route to Tesla and Dorothy.

Finding a passing steam train heading to New York City, the group enter to find Graham, Yaz, and Ryan in period costume. The Doctor explains they were visiting the area when she picked up a strange energy reading that led her to Tesla. Realising who Tesla is, she introduces him to her friends. Suddenly, the train jolts and a figure with an energy weapon breaks in. The Doctor uses her sonic screwdriver on the door and they run, but Ryan halts at having to jump between the train carriages. After Ryan jumps to the next carriage, their pursuer drops through the ceiling, but the Doctor grabs its weapon and the group move to the next carriage, which the Doctor then separates from the rest of the train. The figure generates a ball of lightning from its hand and throws it, but misses its target as the carriages get further apart. Lowering its hood, the figure reveals itself to be one of the investors from Tesla's presentation, but he has glowing red eyes. Now safe, the Doctor reveals the weapon to be Silurian made and confronts Tesla over his claims of not having seen anything strange. However, Tesla does not intend to hand over the orb to her. As a result, the Doctor promises to not let him out of her sight.

Arriving in New York the next day, the Doctor's friends discover a crowd of protesters gathered in front of Tesla's lab. They are protesting against his attempts at using AC electricity, which they deem too unsafe. The Doctor and her group move past the protesters and Dorothy shows them the lab while Tesla lets out some of his frustrations. When he returns, Tesla finally shows the Doctor his orb, which she identifies as an "Orb of Thassor" - belonging to one of the ancient races who created them to share their knowledge. However, it appears to have been modified at some point. As the Doctor scans it, Tesla takes interest and bonds with her over also being an inventor. As they talk, Dorothy enters with a letter from a Mr Morgan explaining he is pulling his funding from Tesla's Wardenclyffe project. Just then, a camera goes off at the window, with Dorothy identifying the photographer as an employee of Tesla's long-time rival, Thomas Edison. Wondering what Edison could be after, the Doctor, Graham, and Ryan go to visit him while Yaz stays behind with Tesla and Dorothy.

Visiting Edison as he gives a speech about the dangers of AC, the Doctor manages to get a private discussion with him after Ryan shows him the alien weapon. Walking through a significantly more advanced laboratory than Tesla's, Edison denies wanting to steal anything from Tesla as he has enough products of his own. Edison explains that he gave Tesla his first job in the US, but upon not giving him the payout for his work, he quit, started work in digging ditches, and has been bitter ever since.

Meanwhile, Yaz asks Tesla about his Wardenclyffe project, and he explains his plans to be able to transmit all of humanity's knowledge wirelessly, although he has no investors.

In Edison's lab, two men argue about building parts and a piece drops to the floor. As one of them bends down to get it, the red-eyed figure appears and electrocutes everybody else standing in the room.

Edison begins to theorise that the Doctor is hired by Tesla to sabotage his tracking of Tesla's work when the red-eyed man enters, interrupting them. Edison recognises him as one of his workers but the Doctor realises he has no human readings. As he attacks, the group flees and discovers the human he took his appearance from, dead in the lab. Edison is upset but the Doctor refuses to let him shoot the red-eyed creature. Instead, she asks for zinc.

Back in Tesla's lab, Tesla hooks the orb up to his work station and confirms it is emitting too much energy. He and Yaz consider it is scanning for something.

As the Doctor's group hides, she uses the trail of zinc to trap the creature behind a wall of fire. After she asks it to reveal its true form, its face distorts and it disappears.

The Doctor phones Yaz to warn her not to let anyone into the lab, but before Yaz can lock the doors, Dorothy enters, being held hostage by two of the murdered men, both with glowing red eyes. The creatures explain they do not want the orb but came for Tesla instead. As they reach out, the two creatures, Yaz, and Tesla vanish and land in a large darkened room full of giant scorpions. Their leader, a female and more humanoid scorpion, welcomes Tesla by name.

The Doctor retrieves her TARDIS with Graham, Ryan, and Edison in tow and picks up Dorothy from Tesla's lab. Inside, the Doctor attempts to bypass the aliens' cloaking technology while Dorothy and Edison take in the TARDIS interior. The Doctor realises the orb has been hacked to receive information about the time period and it has been searching for Tesla. She searches for a trail to follow, leading Dorothy to remember Tesla's claims of a signal from Mars. She states they need to travel to Wardenclyffe.

Meanwhile, Tesla and Yaz discover they are in the throne ship of the Skithra, high above New York, and are talking to their queen. The queen reveals that she is responsible for Tesla's mechanical parts disappearing, and orders him to get to work on her ship and weapons.

At the lab in Wardenclyffe on Long Island, where Tesla has already moved some of his work, the Doctor and company find the "Teslascope" that Tesla discovered the Mars signal with. As Graham and Edison argue, the Doctor finds the signal readout.

On the Skithra ship, Yaz and Tesla examine some equipment. The queen states Tesla must use his engineering prowess to prepare them for battle, but he refuses. In response, the queen commands her legions to kill Yaz. Meanwhile, the Doctor finds a "Braxium Bouncer, Mark III" in her toolbox for her to reach the ship with. However, she acknowledges that it will need time to recharge before she can return. As the queen prepares to kill Yaz, the Doctor appears and stops her. She realises the ship and most of the technology on it has been stolen from other races, which is why the queen needs an engineer to fix it. The queen states that she chose Tesla because of his intelligence, which was proven when answered back to their call - something he did not realise had worked. As the Doctor carries on talking, she distracts the Skithra with a camera just as the bouncer recharges and the three are teleported out.

In Wardenclyffe, everyone reconvenes, with Tesla shocked to see Edison in his lab. With Tesla following everyone else into the TARDIS, the Doctor uses the orb to talk to the Skithra Queen and tells her to leave Earth, but she responds that she will have Tesla or the Earth will be destroyed. Overwhelmed, Tesla leaves again and the queen sends her disguised minions to find them.

Tesla finds himself saddened at how he has to turn himself in and his plans for inventions will never be realised, but the Doctor refuses to let him and tells him to explain the Wardenclyffe project. She realises it could be used to generate a single bolt of lightning that could hit the ship. Edison, however, dismisses the idea and he and Tesla argue about their respective ideologies. As Graham breaks them up, the Doctor concocts a plan: she and Tesla will finish the Wardenclyffe tower as she extends the TARDIS shields, Edison and Yaz will clear the streets, while Dorothy, Graham, and Ryan will work on ways to defend themselves.

Yaz attempts to generate panic on the streets to no effect, so Edison helps by playing on the public's existing fear of Tesla's experiments. Meanwhile, Graham and Ryan look through Tesla's inventions and find a "prototype death ray" as the Doctor plugs the TARDIS into the tower. As a disguised Skithra appears in the streets, Edison pulls out a pistol and attempts to shoot it. However, several more in their scorpion forms appear and start chasing them. Yaz and Edison find a hidden door leading them back to Wardenclyffe and they arrive just as a large group of Skithra amass at the shields and the lab is boarded up. Although outnumbered, the Doctor plans to take out the queen to ruin the species as they work as a hive. However, once the tower powers up, the shields will drop thirty seconds before it fires, meaning the group will have to fend the Skithra off themselves.

As the tower charges up, the Skithra begin attacking the lab, but the Doctor receives a signal and the Skithra stop attacking. With the prototype death ray failing, the Doctor realises she cannot attack the queen on the ship because she has landed at Wardenclyffe instead. The queen immediately disarms Edison and threatens the group. The Doctor attempts to take the bouncer, but she is apprehended by a disguised Skithra and it is given to the queen. However, the Doctor reveals this was part of her plan; throwing off the Skithra and sonicking the bouncer, the Doctor teleports the queen back to her ship, with the rest of the Skithra following. Tesla activates the tower and the Skithra ship is electrocuted, leaving them no choice but to fly away.

The next day, Edison admits to Tesla how impressed he is and offers him a chance to work for him again, but Tesla turns him down. Meanwhile, the Doctor and friends say goodbye to Dorothy. Although Yaz is convinced these events will change history and make Tesla more famous, the Doctor reveals that time stays as normal - Tesla will be forgotten and die penniless, though his actions remain and his inventions change the world. Tesla arrives and begs the Doctor to allow him a look at the TARDIS, but she convinces him that his inventions are more important. He agrees and, thanking the group, says that no matter what anyone believes, he will always work for the future. As he leaves, the Doctor leads her friends towards the very future Tesla helped shape.

Cast[[edit] | [edit source]]

Crew[[edit] | [edit source]]

Executive Producers Matt Strevens and Chris Chibnall

Series Producer Nikki Wilson


Written by Nina Metivier	Produced by Nikki Wilson	Directed by Nida Manzoor	Director of Photography Sam Heasman	Production Designer Dafydd Shurmer	Visual Effects DNEG

Make-up Designer Claire Pritchard-Jones	Casting Director Andy Pryor CDG	Music Segun Akinola	Costume Design & Creature Design Ray Holman	Edited by Tim Hodges and Rebecca Trotman	Special Effects REAL SFX
Original theme music by Ron Grainer • Title sequence by Ben Pickles • Music mixed by Goetz Botzenhardt • Music recorded by Olga FitzRoy

General production staff

Script department

Camera and lighting department

Art department

Costume department

Make-up and prosthetics

Movement

Casting

General post-production staff

Special and visual effects

Sound


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[[edit] | [edit source]]

Locations[[edit] | [edit source]]

Nikola Tesla has invited a crowd of people to Niagara Falls Hydraulic Power & Manufacturing Company by Niagara Falls.
Tesla notes that invisible forces animate the universe.
The Statue of Liberty in Manhattan is seen.
The Doctor notes that Team TARDIS is in Gilded Age New York.
The Doctor notes that at this point in the history of New York City, Times Square and the Empire State Building do not yet exist. Central Park, however, "has been around for ages".
Tesla has a small lab in New York.
Dorothy Skerrit came from Yorkshire, England.
Wardenclyffe is located on Long Island, right beside another Tesla lab.

Events[[edit] | [edit source]]

A Tesla machine once caused an earthquake.
Edison mentions how he once offered Tesla a job on the factory floor of his company and that he ended up digging ditches for two bucks a day.

Currency[[edit] | [edit source]]

Tesla requires an investment of 50,000 dollars.

Cultural references from the real world[[edit] | [edit source]]

Graham calls the train they travel in the Orient Express.
The Doctor calls the Queen of the Skithra a queen of "shreds and patches," referencing a lyric from the Gilbert and Sullivan operetta The Mikado.

Individuals[[edit] | [edit source]]

Mr Brady notes that he won't invest in fairy tales.
The Foreman thinks Bill Tallow was killed by an electrical shock.
Ryan hesitates to jump from one train department to another because of his dyspraxia.
The Doctor notes that Tesla dreamt up the 20th century before it happened and that he could have been a billionaire if he hadn't torn up his contract.
Mr. Morgan, Tesla's investor, wrote a letter saying that he is pulling the funding for the Wardenclyffe project.
Harold Green spies on Tesla.
Anyone wanting to speak with Edison has to make an appointment with his secretary.
Edison had dinner with Harold Green and his wife a week previously.

Science[[edit] | [edit source]]

A scientist in Edison's lab uses a grounding coil.
The Doctor uses ammonium nitrate, some green stuff and zinc to trap the "alien Harold Green".
The Queen of the Skithra taunts the Doctor by asking her if she has "ever seen a dead planet".

Species[[edit] | [edit source]]

The Doctor calls the Thassor "one of the ancient races" and says they are amazing storytellers, inventors and explorers.
The Doctor wonders what the "alien Harold Green" uses to appear as human and debunks possession, psionic image cloaking and holograms.
The Skithra are giant alien scorpions.
The Skithra is a hive species.

Language[[edit] | [edit source]]

Mr Brady says Poppycock.
Graham uses the expression tooting your own horn.
Graham notes Edison is in the TARDIS on the QT.
The Doctor tries to high five Tesla but notes it's too early.
Graham notes that this is not their "first rodeo". Ryan notes they've never been to a rodeo.

Companies[[edit] | [edit source]]

Thomas Edison is making a speech in front of The Edison Electric Illuminating Company.
The newspaper New York Bugle reported on Tesla's message from Mars in 1903. Mr. Brady mentions Mars-stories, but Dorothy debunks them as unbelievable stories from the Times.
Schrauder and Sons is a 5 and 10 ¢ store.
H.J. Bradshaw is a grocery store on Long Island.
A restaurant is seen to be selling coffee, sandwiches, tea, cakes and chocolate.
The Old Ale House sells whisky.
K.L. Simmons Stores is a shop located on Long Island.

Technology[[edit] | [edit source]]

Tesla demonstrates his Niagara Generator.
Tesla's machines transfer electrical energy from one location to another.
Tesla plans to harness forces of nature into a World Wireless System.
Tesla says that Wardenclyffe will be very functional in about a year.
Tesla discovers an Orb of Thassor.
The Doctor and Team TARDIS travel by train.
The Skithra use a Silurian blaster.
Graham mentions that there are cars named after Tesla.
Nikola Tesla invented the shadowgraph which later led to X-rays, the automaton which led to drones, and the patent for radio which later got taken by Marconi. He also coined and thought up the idea of remote control.
Graham calls Tesla and Thomas Edison AC/DC, making a double reference.
- Nikola Tesla stood for the alternating current and Thomas Edison stood for the direct current.
Edison wants to build the Edison Generator in place of Tesla's.
Both Tesla and Edison are working on light bulbs.
Yaz mentions sirens and radars.
- Tesla would call a radar an exploring ray.
The Doctor is an expert in high-speed inventing and can rig a bypass.
The Skithra Queen has a Venusian spaceship, that the Skithra has dubbed the Throne Ship of the Skithra. They have also stolen a Klendov warp drive and a Dullirian resonator, as well as a starship power source.
The Skithra stole an electrical condenser.
Tesla detected the Mars signal by using his Teslascope.
The Doctor has a Braxium Bouncer Mark III in her tool box that she once found at a bazaar.
The Doctor blinds the Queen of the Skithra with a camera.
Tesla notes that the TARDIS's internal dimensions transcend the external.
Tesla has planning papers for the Wardenclyffe Power Plant Prototype.
Tesla uses a magnifying transformer to pump volts into his power plant's tunnel.
Tesla had the idea for Wi-Fi.
The Doctor extends the TARDIS force field to the boundaries of Wardenclyffe.
Tesla invented a "mechanism for photographing thoughts", an "apparatus for producing ozone" and a "prototype Death Ray".
The Doctor uses the TARDIS speakers.

Story notes[[edit] | [edit source]]

The official synopsis dates this story to 1903. However, this date is not given in the episode. The Thirteenth Doctor describes Nikola Tesla as "an inventor from 1900" when questioning why the Skithra sought him out. As, historically, the tower at Wardenclyffe was completed in 1902, the story is likely set in 1903 and the reference to 1900 was intended as an approximation. Indeed, a newspaper image is briefly seen in the episode that dates Tesla's discovery of the transmission from "Mars", some months earlier, to 1903.
- The letter from J.P. Morgan refusing to fund Tesla was historically received on July 14, 1903. According to reports, that night Wardenclyffe tower "came alive shooting off bright flashes lighting up the night sky", which does seem to confirm the story as happening at that time.
- PROSE: History's Finest eventually confirmed that the Doctor's encounter with Tesla took place in 1903.
Robert Glenister, who plays Thomas Edison, previously appeared as Salateen in the 1984 serial The Caves of Androzani, making him one of the select few actors to have appeared in both incarnations of the programme.
Anjli Mohindra, who plays Queen Skithra, was a member of the main cast in the spin-off series The Sarah Jane Adventures. She played Rani Chandra from 2008 to 2011. This is Mohindra's first appearance in televised Doctor Who.
Bradley Walsh and Anjli Mohindra have worked together before on the Sarah Jane Adventures serial The Day of the Clown. In that story, Walsh played the story's antagonist, Elijah Spellman. This story sees their roles reversed with Walsh now playing a companion and Mohindra playing the villain. Mohindra said that, even though she and Walsh had worked together before, he did not recognise her due to her excessive make-up. She initially believed he was merely joking with her but it was only when he asked to see a picture of her so he could say hello to her if he passed her in the street that she realised he was being serious.^[1]
Although newspapers in the real world did cast reports on both Tesla's and Edison's views, the newspaper used in the episode, New York Bugle, was never a real-world paper, nor were the headlines "Tesla: I Heard Message From Mars" and "Edison: Shut Down Tesla". The closest possible real-world connections would be newspapers New York Herald and New York Times, both active at the time.
A sign in the story says Night of Tesla Terror, a play on the title Nikola Tesla's Night of Terror.
It is unlikely that Edison would have procured a pistol as he was noted for his anti-violence beliefs.
In the real world, Tesla was not the sole inventor of the radio, the technology having been worked on both before and after his work on it.
In early versions of the story, which was referred to simply as Tesla, Tesla and Dorothy would have left Wardenclyffe after suspecting sabotage, eventually meeting the Doctor's group on the train. A group of aliens called simply 'the Scorpions' that could possess humans into becoming 'Electric People' would have appeared.
A recorded but unused scene showed the Skithra attacking Dorothy, rendering her unconscious until Edison realises that only one of Tesla's prototype inventions could restart her heart.

Myths[[edit] | [edit source]]

The Racnoss would return. This was proven false.

Ratings[[edit] | [edit source]]

4.04 million (BBC overnight)^[2]
5.20 million (BBC final)^[3]

Filming locations[[edit] | [edit source]]

Cantref Reservoir, Wales - Niagara Generator, Niagara Falls
Cory Building, Cardiff - Nikola Tesla's laboratory
Nu Boyana Film Studios, Sofia, Bulgaria - New York City and Long Island

(All DWM 570 supplement)

Production errors[[edit] | [edit source]]

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.

to be added

Continuity[[edit] | [edit source]]

Nikola Tesla previously aided the Seventh Doctor and Melanie Bush in defeating the Vardans. (AUDIO: Maker of Demons)
The Doctor tells Nikola that she created her sonic screwdriver using spoons. (TV: The Woman Who Fell to Earth)
The Doctor notes to her companions that the Empire State Building has yet to be constructed. In November 1930, the Tenth Doctor found that the Cult of Skaro had manipulated the construction of the building for their purposes. (TV: Daleks in Manhattan/Evolution of the Daleks)
The Doctor has a toolbox. (TV: Earthshock, et al.)
Team TARDIS visit Wardenclyffe. (PROSE: Wardenclyffe)

Home video releases[[edit] | [edit source]]

DVD and Blu-ray releases[[edit] | [edit source]]

This story was released as part of the Complete Twelfth Series boxset on DVD and Blu-ray in region 1/A on 9 June 2020, in region 2/B on 4 May 2020 and in region 4/B on 3 June 2020.

Digital releases[[edit] | [edit source]]

In the United Kingdom, this story is available on BBC iPlayer.

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

Official Nikola Tesla's Night of Terror page on the Doctor Who website

Footnotes[[edit] | [edit source]]

[1] ttps://www.radiotimes.com/news/tv/2020-01-14/bradley-walsh-made-a-pretty-major-faux-pas-filming-doctor-who-episode/

[2] Nikola Tesla's Night of Terror - Overnight Viewing Figures

[3] Nikola Tesla's Night of Terror - Final Viewing Figures

[1]

[2]

[3]

@@ Line 1: / Line 1: @@
 {{title dab away}}
+{{subpage tabs}}
 {{real world}}
 {{ImageLinkTV}}
-{{Infobox Story
+{{Infobox Story SMW
 |image           = Nikola tesla's night of terror.jpg
 |series          = [[Doctor Who television stories|''Doctor Who'' television stories]]
-|season number   = Series 12 (Doctor Who)
+|season number   = Series 12 (Doctor Who 2005)
 |series episode number = 4
-|story number    = 289
+|story number    = 290
 |adapted into    = Nikola Tesla's Night of Terror (short story)
 |doctor          = Thirteenth Doctor
@@ Line 14: / Line 15: @@
 |enemy           = [[Queen of the Skithra]]
 |setting         = [[New York (state)|New York]], [[1903]]
-|writer          = [[Nina Métivier]]
+|writer          = Nina Métivier
 |director        = [[Nida Manzoor]]
 |producer        = [[Alex Mercer]]
-|broadcast date  = [[19 January (releases)|19 January]] [[2020 (releases)|2020]]
+|broadcast date  = 19 January 2020
-|network         = [[BBC One]]
+|network         = BBC One
 |format          = 1x50 minute episode
 |production code =
@@ Line 28: / Line 29: @@
 |trailer2        = COMING SOON Nikola Tesla's Night of Terror Doctor Who Series 12
 |clip            = The Doctor Meets Nikola Tesla Nikola Tesla's Night of Terror Doctor Who
-|clip2           =
+|clip2           = Tesla Enters the TARDIS - Nikola Tesla's Night of Terror - Doctor Who
-|clip3           =
+|clip3           = The Doctor vs the Skithra Queen - Nikola Tesla's Night of Terror - Doctor Who
 |bts             = An Introduction to Tesla Nikola Tesla's Night of Terror Doctor Who Series 12
 |bts2            = The Great Train Chase Nikola Tesla's Night of Terror Doctor Who Series 12
 |bts3            =
 |scripturl = http://downloads.bbc.co.uk/writersroom/scripts/doctor-who-s12-ep4-nikola-teslas-night-of-terror.pdf}}
-'''''Nikola Tesla's Night of Terror''''' was the fourth episode of [[series 12 (Doctor Who)|series 12]] of ''[[Doctor Who]]''.
+'''''Nikola Tesla's Night of Terror''''' was the fourth episode of [[series 12 (Doctor Who 2005)|series 12]] of ''[[Doctor Who]]''.
 == Synopsis ==
-[[New York City]], the turn of the [[20th century]]. For [[Nikola Tesla]], his grand [[idea]]s for revolutionising [[electricity]] and [[communication]] are proving to be a hard sell to the public. His [[business]] [[Enemy|rival]], [[Thomas Edison]], may not want him to succeed, but surely even he cannot be behind the sudden appearance of hostile [[alien]] [[scavenger]]s? The [[Thirteenth Doctor]] and her friends are about to find out.
+[[New York City]], the turn of the [[20th century]]. For [[Nikola Tesla]], his grand [[idea]]s for revolutionising [[electricity]] and [[communication]] are proving to be a hard sell to the public. His [[business]] [[Enemy|rival]], [[Thomas Edison]], may not want him to succeed, but surely even he cannot be behind the sudden appearance of hostile [[Skithra|alien scavengers]]? The [[Thirteenth Doctor]] and her friends are about to find out.
 == Plot ==
 From in front of [[Niagara Falls]] at the start of the [[20th century]], the inventor [[Nikola Tesla]] introduces a group of men to a new method of harnessing electricity. Moving inside his laboratory, he demonstrates to them a wireless electrical system. The group is impressed until he admits he needs an investment of $50,000 to continue. An investor called [[Brady (Nikola Tesla's Night of Terror)|Brady]] recalls Tesla's claims of receiving a signal from [[Mars]] and backs away from the deal. As the lights flicker, a man enters to declare an emergency.
-Tesla and his assistant, [[Dorothy Skerrit]], discover a dead man nearby. She believes he may have been killed by Tesla's apparatus, so he sets to work on it alone. That night, he realises some parts had been stolen and discovers a small green orb floating. Hearing mysterious noises, Tesla and Dorothy attempt to hide from a figure that turns out to be [[Thirteenth Doctor|the Doctor]]. However, she is interrupted by the appearance of Brady with a gun, but he is shot by a laser bolt. The Doctor shows an escape route to Tesla and Dorothy.
+Tesla and his assistant, [[Dorothy Skerrit]], discover a dead man nearby. She believes he may have been killed by Tesla's apparatus, so he sets to work on it alone. That night, he realises some parts have been stolen and discovers a small green orb floating. Hearing mysterious noises, Tesla and Dorothy attempt to hide from a figure that turns out to be [[Thirteenth Doctor|the Doctor]], however, she is interrupted by the appearance of Brady with a gun. Brady is suddenly shot by a laser bolt, and the Doctor shows an escape route to Tesla and Dorothy.
-Finding a passing steam train heading to [[New York City]], the group enter to find [[Graham O'Brien|Graham]], [[Yasmin Khan|Yaz]], and [[Ryan Sinclair|Ryan]] in period costume. The Doctor explains they were visiting the area when she picked up a strange energy reading that led her to Tesla. Realising who Tesla is, she introduces him to her friends. As the Doctor calls him "a big fat liar", the train jolts and a figure with an energy weapon breaks in. The Doctor uses her [[sonic screwdriver]] on the door and they run, but Ryan halts at having to jump between the train carriages. Eventually making it through, the being drops through the ceiling. The Doctor grabs its weapon, it generates lightning in its hand, and the Doctor separates the cars. Revealing its face with glowing red eyes, it turns out to be another of the investors from Tesla's presentation, but the carriage drifts away. The Doctor reveals his weapon to be [[Silurian]] made and confronts Tesla over his claims of not having seen anything strange. However, Tesla does not intend to hand over the orb to her. As a result, the Doctor promises to not let him out of her sight.
+Finding a passing steam train heading to [[New York City]], the group enter to find [[Graham O'Brien|Graham]], [[Yasmin Khan|Yaz]], and [[Ryan Sinclair|Ryan]] in period costume. The Doctor explains they were visiting the area when she picked up a strange energy reading that led her to Tesla. Realising who Tesla is, she introduces him to her friends. Suddenly, the train jolts and a figure with an energy weapon breaks in. The Doctor uses her [[sonic screwdriver]] on the door and they run, but Ryan halts at having to jump between the train carriages. After Ryan jumps to the next carriage, their pursuer drops through the ceiling, but the Doctor grabs its weapon and the group move to the next carriage, which the Doctor then separates from the rest of the train. The figure generates a ball of lightning from its hand and throws it, but misses its target as the carriages get further apart. Lowering its hood, the figure reveals itself to be one of the investors from Tesla's presentation, but he has glowing red eyes. Now safe, the Doctor reveals the weapon to be [[Silurian]] made and confronts Tesla over his claims of not having seen anything strange. However, Tesla does not intend to hand over the orb to her. As a result, the Doctor promises to not let him out of her sight.
-Arriving in New York the next day, the Doctor's friends discover a crowd of protesters gathered against Tesla and his attempts at using AC electricity, which they deem too unsafe. They enter his office as Tesla leaves to start hitting things nearby. Dorothy lets the Doctor and friends enter Telsa's lab, where the Doctor explains his history to her friends. Tesla finally shows the Doctor his orb, which the Doctor identifies as an "Orb of [[Thassor]]" - belonging to one of the ancient races who created them to share their knowledge. However, it appears to have been modified at some point. As the Doctor scans it, Tesla takes interest and bonds with her over also being an inventor. As they talk, Dorothy enters with a letter from a Mr Morgan explaining he is pulling his funding from Tesla's Wardenclyffe project. Just then, a camera goes off at the window which Dorothy places on an employee of Tesla's long-time rival, [[Thomas Edison]]. Wondering what he could be after, the Doctor, Graham, and Ryan go to visit him while Yaz stays behind with Tesla and Dorothy.
+Arriving in New York the next day, the Doctor's friends discover a crowd of protesters gathered in front of Tesla's lab. They are protesting against his attempts at using AC electricity, which they deem too unsafe. The Doctor and her group move past the protesters and Dorothy shows them the lab while Tesla lets out some of his frustrations. When he returns, Tesla finally shows the Doctor his orb, which she identifies as an "Orb of [[Thassor]]" - belonging to one of the ancient races who created them to share their knowledge. However, it appears to have been modified at some point. As the Doctor scans it, Tesla takes interest and bonds with her over also being an inventor. As they talk, Dorothy enters with a letter from a Mr Morgan explaining he is pulling his funding from Tesla's Wardenclyffe project. Just then, a camera goes off at the window, with Dorothy identifying the photographer as an employee of Tesla's long-time rival, [[Thomas Edison]]. Wondering what Edison could be after, the Doctor, Graham, and Ryan go to visit him while Yaz stays behind with Tesla and Dorothy.
-Visiting Edison as he gives a speech about the dangers of AC, the Doctor manages to convince Edison about getting his hands on alien weapons and they head inside. Walking through a significantly more advanced laboratory than Tesla's, Edison denies wanting to steal it from Tesla as he has enough products of his own. Edison explains that he gave Tesla his first job in the US, but upon not giving him the payout for his work, he quit, started work in digging ditches, and has been bitter ever since.
+Visiting Edison as he gives a speech about the dangers of AC, the Doctor manages to get a private discussion with him after Ryan shows him the alien weapon. Walking through a significantly more advanced laboratory than Tesla's, Edison denies wanting to steal anything from Tesla as he has enough products of his own. Edison explains that he gave Tesla his first job in the US, but upon not giving him the payout for his work, he quit, started work in digging ditches, and has been bitter ever since.
-Meanwhile, Yaz asks Tesla about his Wardenclyffe project, and he explains his plans to be able to transmit all of humanity's knowledge wirelessly, although he has no investors. In Edison's lab, two men argue about building parts and a piece drops to the floor. As one of them bends down to get it, the red-eyed figure appears and electrocutes everybody else standing up in the room. Just as the man steps up, he is spotted.
+Meanwhile, Yaz asks Tesla about his Wardenclyffe project, and he explains his plans to be able to transmit all of humanity's knowledge wirelessly, although he has no investors.
-Edison begins to theorise that the Doctor is hired by Tesla to sabotage his tracking of Tesla's work as the red-eyed man enters. Edison recognises him as one of his workers but the Doctor realises he has no human readings. As he attacks, the group flees and discovers the human he took his appearance from, dead in the lab. Edison is upset but the Doctor refuses to let him shoot the red-eyed creature. Instead, she asks for zinc. In Tesla's lab, he hooks the orb up to his work station and confirms it is emitting too much energy. He and Yaz consider it is scanning for something. As the Doctor's group hides, she uses the trail of zinc to trap the creature behind a wall of fire. Asking it to reveal its true form, its face distorts and it disappears.
+In Edison's lab, two men argue about building parts and a piece drops to the floor. As one of them bends down to get it, the red-eyed figure appears and electrocutes everybody else standing in the room.
-The Doctor's group runs down the street as the Doctor phones Yaz to update her. Before Yaz can lock the doors, Dorothy enters, being held hostage by two of the killed men, both with glowing red eyes. The creatures explain they do not want the orb but came for Tesla instead. As they reach out, the two creatures, Yaz, and Tesla vanish and land in a darkened large room full of giant scorpions. Spotting their leader, a female and more humanoid scorpion, she welcomes Tesla by name.
+Edison begins to theorise that the Doctor is hired by Tesla to sabotage his tracking of Tesla's work when the red-eyed man enters, interrupting them. Edison recognises him as one of his workers but the Doctor realises he has no human readings. As he attacks, the group flees and discovers the human he took his appearance from, dead in the lab. Edison is upset but the Doctor refuses to let him shoot the red-eyed creature. Instead, she asks for zinc.
-The Doctor retrieves [[The Doctor's TARDIS|her TARDIS]] with Graham, Ryan, and Edison in tow and picks up Dorothy from Tesla's lab. Inside, the Doctor attempts to bypass the aliens' cloaking technology while Dorothy and Edison take in the sights. The Doctor realises the orb has been hacked to receive information about the period and it has been searching for Tesla. Meanwhile, Tesla discovers he is in the throne ship of the [[Skithra]], high above New York, and he is talking to their [[Queen of the Skithra|queen]]. As she reveals she is responsible for his mechanical parts disappearing, she orders him to get to work on her ship and weapons. The Doctor searches for a trail to follow, leading Dorothy to remember Tesla's claims of a signal from Mars. She states they need to travel to Wardenclyffe.
+Back in Tesla's lab, Tesla hooks the orb up to his work station and confirms it is emitting too much energy. He and Yaz consider it is scanning for something.
-At the lab in Wardenclyffe on [[Long Island]], where Tesla has already moved some of his work, the Doctor and company find the "Teslascope" that he discovered the signal with. As Graham and Edison argue, the Doctor finds the signal readout.
+As the Doctor's group hides, she uses the trail of zinc to trap the creature behind a wall of fire. After she asks it to reveal its true form, its face distorts and it disappears.
-On the Skithra ship, Yaz and Tesla examine some equipment. Doing so, the queen states Tesla must use his engineering prowess to prepare them for battle, but he refuses. The queen commands her legions to kill Yaz. Meanwhile, the Doctor finds a "Braxium Bouncer, Mark III" in her toolbox for her to reach the ship with. However, she acknowledges she cannot get them back until it recharges but tries to make the group not worry. As the queen prepares to kill Yaz, the Doctor appears and stops her. She realises the ship and most of the technology on it has been stolen from other races, which is why the queen needs an engineer to fix it. The queen states that she chose Tesla because of his intelligence and the fact he answered back to their call - something he did not realise worked. As the Doctor carries on talking, she distracts the Skithra with a simple camera just as the bouncer recharges and the three are teleported out.
+The Doctor phones Yaz to warn her not to let anyone into the lab, but before Yaz can lock the doors, Dorothy enters, being held hostage by two of the murdered men, both with glowing red eyes. The creatures explain they do not want the orb but came for Tesla instead. As they reach out, the two creatures, Yaz, and Tesla vanish and land in a large darkened room full of giant scorpions. Their leader, a female and more humanoid scorpion, welcomes Tesla by name.
+The Doctor retrieves [[The Doctor's TARDIS|her TARDIS]] with Graham, Ryan, and Edison in tow and picks up Dorothy from Tesla's lab. Inside, the Doctor attempts to bypass the aliens' cloaking technology while Dorothy and Edison take in the TARDIS interior. The Doctor realises the orb has been hacked to receive information about the time period and it has been searching for Tesla. She searches for a trail to follow, leading Dorothy to remember Tesla's claims of a signal from Mars. She states they need to travel to Wardenclyffe.
+Meanwhile, Tesla and Yaz discover they are in the throne ship of the [[Skithra]], high above New York, and are talking to their [[Queen of the Skithra|queen]]. The queen reveals that she is responsible for Tesla's mechanical parts disappearing, and orders him to get to work on her ship and weapons.
+At the lab in Wardenclyffe on [[Long Island]], where Tesla has already moved some of his work, the Doctor and company find the "Teslascope" that Tesla discovered the Mars signal with. As Graham and Edison argue, the Doctor finds the signal readout.
+On the Skithra ship, Yaz and Tesla examine some equipment. The queen states Tesla must use his engineering prowess to prepare them for battle, but he refuses. In response, the queen commands her legions to kill Yaz. Meanwhile, the Doctor finds a "Braxium Bouncer, Mark III" in her toolbox for her to reach the ship with. However, she acknowledges that it will need time to recharge before she can return. As the queen prepares to kill Yaz, the Doctor appears and stops her. She realises the ship and most of the technology on it has been stolen from other races, which is why the queen needs an engineer to fix it. The queen states that she chose Tesla because of his intelligence, which was proven when answered back to their call - something he did not realise had worked. As the Doctor carries on talking, she distracts the Skithra with a camera just as the bouncer recharges and the three are teleported out.
 In Wardenclyffe, everyone reconvenes, with Tesla shocked to see Edison in his lab. With Tesla following everyone else into the TARDIS, the Doctor uses the orb to talk to the Skithra Queen and tells her to leave Earth, but she responds that she will have Tesla or the Earth will be destroyed. Overwhelmed, Tesla leaves again and the queen sends her disguised minions to find them.
-Tesla finds himself saddened at how he has to turn himself in and his plans for inventions will never be realised, but the Doctor refuses to let him and tells him to explain the Wardenclyffe project. She realises it could be used to generate a single bolt of lightning and hit the ship. Edison, however, dismisses the idea and he and Tesla argue about their respective ideologies. As Graham breaks them up, the Doctor concocts a plan: she and Tesla will finish the Wardenclyffe tower as she extends the TARDIS shields, Edison and Yaz will clear the streets, while Dorothy, Graham, and Ryan will work up materials to defend themselves.
+Tesla finds himself saddened at how he has to turn himself in and his plans for inventions will never be realised, but the Doctor refuses to let him and tells him to explain the Wardenclyffe project. She realises it could be used to generate a single bolt of lightning that could hit the ship. Edison, however, dismisses the idea and he and Tesla argue about their respective ideologies. As Graham breaks them up, the Doctor concocts a plan: she and Tesla will finish the Wardenclyffe tower as she extends the TARDIS shields, Edison and Yaz will clear the streets, while Dorothy, Graham, and Ryan will work on ways to defend themselves.
-Yaz attempts to generate panic on the streets to no effect, so Edison helps by playing on the public's existing fear of Tesla's experiments. Meanwhile, Graham and Ryan look through Tesla's inventions and find a "prototype death ray" as the Doctor plugs the TARDIS into the tower. As a disguised Skithra appears in the streets, Edison pulls out a pistol and attempts to shoot it. However, several more in their scorpion forms appear and start chasing them. Yaz and Edison find a hidden door leading them back to Wardenclyffe.
-The two arrive just as a large group of Skithra amass at the shields and the lab is boarded up. Although outnumbered, the Doctor plans to take out the queen to ruin the species as they work as a hive. However, once the tower powers up, the shields will drop thirty seconds before it fires, leaving the group to fend the Skithra off themselves. As the tower charges up, the Skithra begin attacking the lab, but the Doctor receives a signal as the Skithra stop attacking. With the prototype death ray failing, the Doctor realises she cannot attack the queen on the ship because she has landed at Wardenclyffe instead.
+Yaz attempts to generate panic on the streets to no effect, so Edison helps by playing on the public's existing fear of Tesla's experiments. Meanwhile, Graham and Ryan look through Tesla's inventions and find a "prototype death ray" as the Doctor plugs the TARDIS into the tower. As a disguised Skithra appears in the streets, Edison pulls out a pistol and attempts to shoot it. However, several more in their scorpion forms appear and start chasing them. Yaz and Edison find a hidden door leading them back to Wardenclyffe and they arrive just as a large group of Skithra amass at the shields and the lab is boarded up. Although outnumbered, the Doctor plans to take out the queen to ruin the species as they work as a hive. However, once the tower powers up, the shields will drop thirty seconds before it fires, meaning the group will have to fend the Skithra off themselves.
-With the queen immediately disarming Edison, she threatens the group, but the Doctor puts herself first, having committed to defeating the Skithra as they were already given the chance to change. The Doctor attempts to take the bouncer, but she is apprehended by a disguised Skithra and it is given to the queen. However, the Doctor reveals this was part of her plan; throwing off the Skithra and sonicking the bouncer, the queen is teleported back to her ship with the rest following. Tesla activates the tower and the Skithra ship is electrocuted, leaving them no choice but to fly away.
+As the tower charges up, the Skithra begin attacking the lab, but the Doctor receives a signal and the Skithra stop attacking. With the prototype death ray failing, the Doctor realises she cannot attack the queen on the ship because she has landed at Wardenclyffe instead. The queen immediately disarms Edison and threatens the group. The Doctor attempts to take the bouncer, but she is apprehended by a disguised Skithra and it is given to the queen. However, the Doctor reveals this was part of her plan; throwing off the Skithra and sonicking the bouncer, the Doctor teleports the queen back to her ship, with the rest of the Skithra following. Tesla activates the tower and the Skithra ship is electrocuted, leaving them no choice but to fly away.
-The next day, Edison admits to Tesla how impressed he is and offers him a chance to work for him again, but Tesla turns him down. Meanwhile, the Doctor and friends say goodbye to Dorothy. Although Yaz is convinced these events will change history and make Tesla more famous, the Doctor reveals that time stays as normal - Tesla will be forgotten and die penniless, though his actions remain and his inventions change the world. Tesla arrives and begs the Doctor to look at the TARDIS, but she convinces him that his inventions are more important. He agrees and, thanking the group, says that no matter what anyone believes, he will always work for the future. As he leaves, the Doctor leads her friends towards the very future Tesla helped shape.
+The next day, Edison admits to Tesla how impressed he is and offers him a chance to work for him again, but Tesla turns him down. Meanwhile, the Doctor and friends say goodbye to Dorothy. Although Yaz is convinced these events will change history and make Tesla more famous, the Doctor reveals that time stays as normal - Tesla will be forgotten and die penniless, though his actions remain and his inventions change the world. Tesla arrives and begs the Doctor to allow him a look at the TARDIS, but she convinces him that his inventions are more important. He agrees and, thanking the group, says that no matter what anyone believes, he will always work for the future. As he leaves, the Doctor leads her friends towards the very future Tesla helped shape.
 == Cast ==
@@ Line 91: / Line 98: @@
 == Crew ==
-''to be added''
+{{Wales crew|StuntCoOrdinator=Crispin Layfield|StuntCoOrdinator2=Dani Biernat|Stunt=Matt Hermiston|Stunt2=Freddie Mason|Stunt3=Belinda McGinley|1stAD=Dan Mumford|2ndAD=Christopher J Thomas|3rdAD=Lauren Pate|AD=Jennifer Day|AD2=Rosey-Pepper Mortley|AsstDirectorTrainee=Mathew-Lee Heath|UnitDriver=Paul Watkins|UnitDriver2=Jolyon Davey|UnitDriver3=Steve Darwent|LocationManager=Gareth Roberts|UnitManager=Jac Jones|LocationAssistant=Kyle Yates|ProductionManager=Delmi Thomas|ProductionCoOrdinator=Sandra Cosfeld|AsstProductionCoOrdinator=Jade Stephenson|ProductionSecretary=Ellie Simmons|ProductionAssistant=Ariana Scott|ExecutiveAssistant=Caroline Cook|1stAsstAccountant=Debi Griffiths|ArtDeptAccountant=Hywel Thomas|CastPayroll=Helen Searle|CameraOperator=Mark McQuoid ACO|FocusPuller=Jonathan Vidgen|FocusPuller2=Steve Rees|CameraAsst=Dan Patounas|CameraAsst2=Scott Waller|CameraAsst3=Jade Jenkins|CameraAsst4=Gwilym Jenner|KeyGrip=John Robinson|Grip=Ash Whitfield|ApprenticeGrip=Harry Spencer|ScriptSupervisor=Nicki Coles|AssistantScriptEditor=Caroline Buckley|SoundMaintenanceEngineer=Christopher Goding|SoundMaintenanceEngineer2=Joe Malone|Gaffer=Mark Hutchings|BestBoy=Andy Gardiner|Electrician=Gawain Nash|Electrician2=Andrew Williams|Electrician3=Gareth Sheldon|Electrician4=Stuart Gale|ConstructionArtDirector=Julia Jones|ArtDirector=Rebecca Brown|StandbyArtDirector=Anwen Haf|SetDecorator=Chris House|ProductionBuyer=Vicki Male|AssistantBuyer=Rosy Pearce|PettyCashBuyer=Billie Blue Williams|SetDesigner=Daniel Kennedy|SetDesigner2=Lauren Harper|ArtDeptAssistant=Celyn Davies|GraphicsTrainee=Anya Kordecki|PropMaster=Paul Aitken|PropsChargehand=Trystan Howell|StandbyProps=Matthew Ireland|StandbyProps2=Cerys Lewis|SetDresser=Dewi Thomas|SetDresser2=Atiff Tahir|SetDresser3=John Thomas|Storeman=Lucy Hammond|WorkshopManager=Mark Hill|WorkshopAssistant=Chris Slocombe|ConceptArtist=Louis Knight|GraphicDesigner=György Simán|GraphicDesigner2=Stephen Fielding|HeadModelMaker=Lee Radford|PropFabrication=Penny Howarth|PracticalElectrician=Matthew Dunford|StandbyCarpenter=Colm Garrett|Rigging=Shadow Scaffolding|StandbyRigger=Colin Toms|ConstructionManager=Mark Painter|ConstructionChargehand=Dean Tucker|ConstructionChargehand2=John Sinnott|Carpenter=Terry Horle|Carpenter2=Campbell Fraser|Carpenter3=Joseph Painter|Carpenter4=Dave Quinlan|Carpenter5=Charlie Wright|Carpenter6=Chris Daniels|Carpenter7=George Rees|Carpenter8=Jonathan Tylke|Carpenter9=Dave Hobbs|Carpenter10=Kristian Tucker|JuniorCarpenter=Matthew Painter|ConstructionTrainee=Marcus Scholl|ConstructionDriver=Darren Bousie|ConstructionLabourer=Jason Tylke|HODPainter=Steve Fudge|ChargehandPainter=Mark Reece|ChargehandPainter2=Lloyd Reece|ScenicArtist=Chelsea Moore|ScenicArtist2=Rachel Willsher|AsstCostumeDesigner=Simon Marks|CostumeSupervisor=Grace Brooks|CostumeAsst=Andie Mear|CostumeAsst2=Ian Fowler|CostumeAsst3=Chloe Gauci|CostumeTrainee=Ashleigh Muza|Make-upSupervisor=Emma Cowen|Make-upArtist=Amy Riley|Make-upArtist2=James Spinks|JuniorMake-upArtist=Hanna Lewis-Jones|UnitMedic=Glyn Evans|CastingAssociate=Ri McDaid-Wren|CastingAssistant=Ray Böhm|BusinessAffairs=Elaine Evans|BusinessAffairs2=Kyle Parsons|BusinessAffairs3=Steve Robson|TalentTeam=Hannah williams|TalentTeam2=Leanne Bowcott|TalentTeam3=Jeanette Sigsworth|TalentTeam4=Deborah Evans|TalentTeam5=Clare Baker|AsstEditor=David SJ Davies|AsstEditor2=Hayley Williams|VFXEditor=Georgina Careless|AsstVFXEditor=Alastair Gray|AdditionalVFX=BBC Wales Graphics|AdditionalVFX2=Ben Pickles|PostProdCoOrdinator=Liv Duffin|SoundDesigner=Harry Barnes|ADREditor=Matthew Cox|DialogueEditor=Darran Clement|Foley=Bang Post Production|OnlineEditor=Christine Kelly|AsstOnlineEditor=Luke Stanbury|MusicRecordedBy=Olga FitzRoy|MusicMixedBy=Goetz Botzenhardt|OriginalTheme=Ron Grainer|TitleSequence=Ben Pickles|SeriesScriptEditor=Sheena Bucktowonsing|ScriptEditor=Fiona McAllister|Colourist=Gareth Spensley|HeadOfProduction=Radford Neville|HeadOfProduction2=Jacquie Glanville|ProductionExec=Tracie Simpson|PostProdProducer=Ceres Doyle|ProductionAccountant=Rhys Evans|SupervisingLocationManager=Iwan Roberts|SoundRecordist=Deian Llŷr Humphreys|DubbingMixer=Howard Bargroff|DubbingMixer2=Kiran Marshall|VisualEffects=DNEG|SpecialEffects=REAL SFX|Prosthetics=Millennium FX|Prosthetics2=Robert Allsopp & Associates|CastingDirector=Andy Pryor CDG|Music=Segun Akinola|Editor=Tim Hodges|Editor2=Rebecca Trotman|DOP=Sam Heasman|ProductionDesigner=Dafydd Shurmer|CostumeDesignAndCreatureDesign=Ray Holman|Make-upDesigner=Claire Pritchard-Jones|LineProducer=Steffan Morris|ExecutiveProdForTheBBC=Ben Irving|ExecutiveProd=Matt Strevens|ExecutiveProd2=Chris Chibnall|SeriesProducer=Nikki Wilson|Producer=Nikki Wilson|Director=Nida Manzoor|Writer=Nina Metivier}}
-== References ==
+== Worldbuilding ==
 === Locations ===
 * [[Nikola Tesla]] has invited a crowd of people to [[Niagara Falls Hydraulic Power & Manufacturing Company]] by [[Niagara Falls]].
@@ Line 106: / Line 113: @@
 === Events ===
 * A Tesla machine once caused an [[earthquake]].
-* Edison mentions how he once offered Tesla a [[job]] on the [[factory floor]] of his [[company]] and that he ended up digging [[ditch]]es for two [[buck]]s a [[day]].
+* Edison mentions how he once offered Tesla a [[job]] on the [[factory floor]] of his [[company]] and that he ended up digging [[ditch]]es for two [[Dollar|bucks]] a [[day]].
 === Currency ===
 * Tesla requires an [[investor|investment]] of [[50000 (number)|50,000]] [[dollar]]s.
+=== Cultural references from the real world ===
+* Graham calls the train they travel in the [[Orient Express]].
+* The Doctor calls the Queen of the Skithra a queen of "shreds and patches," referencing a lyric from the [[Gilbert and Sullivan]] operetta ''The Mikado''.
 === Individuals ===
-* [[Brady (Nikola Tesla's Night of Terror)|Mr. Brady]] notes about [[Mars]]-stories, but Dorothy debunks them as unbelievable stories from [[the Times]].
-* Mr Brady notes that he won't invest in [[fairy tale]]s.
+* [[Brady (Nikola Tesla's Night of Terror)|Mr Brady]] notes that he won't invest in [[fairy tale]]s.
-* The [[Foreman (Nikola Tesla's Night of Terror)|Foreman]] thinks Mr Brady was killed by [[electrical shock]].
+* The [[Foreman (Nikola Tesla's Night of Terror)|Foreman]] thinks [[Bill Tallow]] was killed by an [[Electricity|electrical]] shock.
-* Graham calls the train they travel in the [[Orient Express]].
 * Ryan hesitates to jump from one train department to another because of his [[dyspraxia]].
 * The Doctor notes that Tesla dreamt up the [[20th century]] before it happened and that he could have been a [[billionaire]] if he hadn't torn up his [[contract]].
-* [[J.P. Morgan|Mr. Morgan]], Tesla's investor, wrote a letter saying that he is pulling the [[fund]]ing for the [[Wardenclyffe]] project.
+* [[Morgan (Nikola Tesla's Night of Terror)|Mr. Morgan]], Tesla's investor, wrote a letter saying that he is pulling the [[fund]]ing for the [[Wardenclyffe]] project.
 * [[Harold Green]] spies on Tesla.
 * Anyone wanting to speak with Edison has to make an appointment with [[Thomas Edison's secretary|his secretary]].
 * Edison had dinner with Harold Green and [[Harold Green's wife|his wife]] a [[week]] previously.
-* The [[Queen of the Skithra]] herself has come to steal Tesla.
 === Science ===
-* A [[scientist]] in Edison's lab uses [[grounding coil]].
+* A [[scientist]] in Edison's lab uses a [[grounding coil]].
 * The Doctor uses [[ammonium nitrate]], some green stuff and [[zinc]] to trap the "alien Harold Green".
+* The [[Queen of the Skithra]] taunts the Doctor by asking her if she has "ever seen a [[dead planet]]".
 === Species ===
@@ Line 139: / Line 150: @@
 * Graham notes Edison is in [[The Doctor's TARDIS|the TARDIS]] on the [[QT (term)|QT]].
 * The Doctor tries to [[high five]] Tesla but notes it's too early.
-* The Doctor calls the Queen of the Skithra a queen of "shreds and patches," referencing a lyric from the [[Gilbert and Sullivan]] operetta ''The Mikado''.
+* Graham notes that this is not their "first rodeo". Ryan notes they've never been to a [[rodeo]].
-* Graham notes that this is not their "first [[A rodeo (expression)|rodeo]]". Ryan notes they've never been to a [[rodeo]].
 === Companies ===
 * [[Thomas Edison]] is making a speech in front of [[The Edison Electric Illuminating Company]].
-* The [[newspaper]] ''[[New York Bugle]]'' reported on Tesla's message from [[Mars]] in [[1903]].
+* The [[newspaper]] ''[[New York Bugle]]'' reported on Tesla's message from [[Mars]] in [[1903]]. Mr. Brady mentions Mars-stories, but Dorothy debunks them as unbelievable stories from [[the Times]].
 * [[Schrauder and Sons]] is a [[5 (number)|5]] and [[10 (number)|10]][[cent|¢]] store.
-* There's a [[H.J. Bradshaw]].
+* [[H.J. Bradshaw]] is a [[grocery store]] on Long Island.
-* There's a [[restaurant]] selling [[coffee]], [[sandwich]]es, [[tea]], [[cake]]s and [[chocolate]].
+* A [[restaurant]] is seen to be selling [[coffee]], [[sandwich]]es, [[tea]], [[cake]]s and [[chocolate]].
-* There's an [[Old Ale House]] that sells [[whisky]].
+* The [[Old Ale House]] sells [[whisky]].
-* There's a [[K.L. Simmons Stores]].
+* [[K.L. Simmons Stores]] is a shop located on Long Island.
 === Technology ===
 * Tesla demonstrates his [[Niagara Generator]].
 * Tesla's machines transfer [[electricity|electrical]] [[energy]] from one location to another.
-* Tesla plans to harness forces of nature into a [[world wireless system]].
+* Tesla plans to harness forces of nature into a [[World Wireless System]].
 * Tesla says that [[Wardenclyffe]] will be very functional in about a [[year]].
 * Tesla discovers an [[Orb of Thassor]].
@@ Line 160: / Line 170: @@
 * The Skithra use a [[Silurian]] [[Silurian blaster|blaster]].
 * Graham mentions that there are [[Tesla car|cars named after Tesla]].
-* Nikola Tesla invented the [[shadowgraph]] which later led to [[X-ray]]s, the [[automaton]] which led to [[drone]]s, and the [[patent]] for [[radio]] which later got taken by [[Marconi]]. However, he only worked on the technology rather than solely invent it as the Doctor claims. He also coined and thought up the idea of [[remote control]].
+* Nikola Tesla invented the [[shadowgraph]] which later led to [[X-ray]]s, the [[automaton]] which led to [[drone]]s, and the [[patent]] for [[radio]] which later got taken by [[Guglielmo Marconi|Marconi]]. He also coined and thought up the idea of [[remote control]].
 * Graham calls Tesla and [[Thomas Edison]] [[AC/DC (disambiguation)|AC/DC]], making a [[AC/DC|double]] [[Current|reference]].
 ** Nikola Tesla stood for the [[alternating current]] and Thomas Edison stood for the [[direct current]].
@@ Line 168: / Line 178: @@
 ** Tesla would call a radar an [[exploring ray]].
 * The Doctor is an expert in [[high-speed inventing]] and can rig a [[bypass]].
-* The Skithra Queen has a [[Venusian]] [[spaceship]], that the [[Skithra]] has dubbed the [[Throne Ship of the Skithra]]. They have also stolen a [[Klendov warp drive]] and a [[Dullirian resonator]], as well as a [[starship power source]].
+* The Skithra Queen has a [[Venusian]] [[spaceship]], that the Skithra has dubbed the [[Throne Ship of the Skithra]]. They have also stolen a [[Klendov warp drive]] and a [[Dullirian resonator]], as well as a [[starship power source]].
 * The Skithra stole an [[electrical condenser]].
 * Tesla detected the Mars signal by using his [[Teslascope]].
 * The Doctor has a [[Braxium Bouncer Mark III]] in her [[tool box]] that she once found at a [[bazaar]].
-* The Doctor blinds the [[Queen of the Skithra]] with a [[camera]].
+* The Doctor blinds the Queen of the Skithra with a [[camera]].
-* Nikola Tesla notes that [[Dimensional transcendentalism|the TARDIS's internal dimensions transcend the external]].
+* Tesla notes that [[Dimensional transcendentalism|the TARDIS's internal dimensions transcend the external]].
 * Tesla has planning papers for the [[Wardenclyffe Power Plant Prototype]].
 * Tesla uses a [[magnifying transformer]] to pump [[volt]]s into his power plant's tunnel.
@@ Line 192: / Line 202: @@
 * It is unlikely that Edison would have procured a pistol as he was noted for his anti-violence beliefs.
 * In the real world, Tesla was not the sole inventor of the radio, the technology having been worked on both before and after his work on it.
+* In early versions of the story, which was referred to simply as ''Tesla'', Tesla and Dorothy would have left Wardenclyffe after suspecting sabotage, eventually meeting the Doctor's group on the train. A group of aliens called simply 'the Scorpions' that could possess humans into becoming 'Electric People' would have appeared.
+* A recorded but unused scene showed the Skithra attacking Dorothy, rendering her unconscious until Edison realises that only one of Tesla's prototype inventions could restart her heart.
 === Myths ===
@@ Line 201: / Line 213: @@
 === Filming locations ===
-''to be added''
+* Cantref Reservoir, Wales - [[Niagara Generator]], [[Niagara Falls]]
+* Cory Building, [[Cardiff]] - [[Nikola Tesla's laboratory]]
+* Nu Boyana Film Studios, Sofia, [[Bulgaria]] - [[New York City]] and [[Long Island]]
+(All [[DWM 570]] supplement)
 === Production errors ===
@@ Line 215: / Line 231: @@
 == Home video releases ==
-''to be added''
+===DVD and Blu-ray releases===
+* This story was released as part of the Complete Twelfth Series boxset on DVD and Blu-ray in region 1/A on [[9 June (releases)|9 June]] [[2020 (releases)|2020]], in region 2/B on [[4 May (releases)|4 May]] 2020 and in region 4/B on [[3 June (releases)|3 June]] 2020.
+===Digital releases===
+* In the United Kingdom, this story is available on [[BBC iPlayer]]''.''
 == External links ==
@@ Line 227: / Line 249: @@
 {{cat|Doctor Who (2005) television stories}}
 {{cat|2020 television stories}}
 [[Category:Series 12 (Doctor Who) stories]]
 [[Category:Stories set in North America]]
 [[Category:Stories set in New York City]]
 [[Category:Stories set in 1903]]

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