The Pilot (TV story)

 was the first episode of the tenth series of Doctor Who produced by BBC Wales. It introduced the Twelfth Doctor's new companion, Bill Potts.

According to Steven Moffat in a video introduction, "series 10 sort of begins the show again. [The Pilot] introduces everything you need to know about Doctor Who, and tips you into the universe". Indeed, through Bill's eyes now, viewers are introduced again to the character of the Doctor, his TARDIS, his enemies the Daleks, and his versatile tool, the sonic screwdriver.

Synopsis
Meet Bill Potts. She works at St Luke's University, serving chips to students, and nothing ever, ever happens. Then, one day, she finds there's another world beneath the one she knows. A familiar face in a pool of water, and a love that is over before it can begin, will change her life for ever - because this is the day Bill meets the Doctor.

Plot
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Cast

 * The Doctor - Peter Capaldi
 * Bill - Pearl Mackie
 * Nardole - Matt Lucas
 * Moira - Jennifer Hennessy
 * Heather - Stephanie Hyam
 * Voice of the Daleks - Nicholas Briggs

Crew
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Science

 * The Doctor is Bill's tutor on physics and astrophysics, among other subjects.

TARDIS

 * The Doctor tells Bill that "TARDIS" stands for "Time and Relative Dimension in Space". (Other stories have it as "Dimensions")
 * Bill compares the TARDIS control room design to a kitchen.
 * While she discovers the TARDIS is bigger on the inside, Bill at first thinks it's a secret part of the university, then that it's a lift.

Culture

 * Bill is a fan of science fiction, and recognises many of its tropes in her experiences with the Doctor, including mind wipes.
 * Bill watched a thing on Netflix about lizards in people's brains, controlling them.

Locations

 * While running away from the sentient oil puddle, the Doctor visits Australia, a planet on the other end of the universe, and a war zone in the Dalek-Movellan War.

St Luke's University

 * The Doctor has been lecturing at St Luke's University in Bristol for 50 years.
 * Bill serves chips there, and Heather is a student.
 * The Doctor's office contains the TARDIS, photographs of River Song and Susan Foreman, and a bust of Ludwig van Beethoven. Bill comments that both the doors and windows are too small to have brought the police box in without taking it apart.
 * The Doctor and Nardole are keeping something hidden in an underground vault underneath the university.

Story notes

 * A working title for this episode was A Star In Her Eye.
 * Before filming started, a two-minute scene featuring the Doctor and Bill known as Friend From the Future was broadcast in April 2016, set during the encounter in the Dalek warzone. Parts of this scene were adapted into the episode. (DWM 511)
 * The setting of this story bears some resemblance to the unfinished TV story Shada. Both stories feature Time Lords (in Shada, Chronotis; in The Pilot, the Doctor) who settle in colleges as eccentric professors for an extended period of time. Both feature opening shots of a student (in Shada, Chris Parsons; in The Pilot, Bill Potts) entering their studies and noticing the TARDIS, parked in the corner.
 * The plot element of having the Doctor travel to various obscure locations in the universe as he continuously encounters the same entity has been used in the Doctor Who universe various times before.
 * The Chase, back in 1965, famously had the TARDIS team travel to various locations, often to comical effect, while under pursuit by the Daleks.
 * This element was also used in the season-long-arc of Titan's Doctor Who: The Eleventh Doctor Year 2; where the Eleventh Doctor's team was stalked by a being known as the Then and the Now.
 * A creature which mimicked living people to steal their form previously appeared in TV: Midnight.
 * Another spaceship part seeking a compatible pilot — specifically, one who wants to leave, to travel — previously appeared in TV: The Lodger.
 * The Doctor battled off against sentient water before in TV: The Waters of Mars. A similar effect is used here in The Pilot to indicate that the water is controlling them: the liquid is dripping from their hands, their mouths, their clothes.
 * During the scene when the Doctor is about to wipe Bill's memory and she tells him to imagine if someone did it to him, "Clara's Theme" plays. This is a reference to the events of TV: Hell Bent.
 * "The Sad Man with A Box" plays in the scene in which Bill is introduced to the TARDIS. A happier, more fairy-tale rendition of this same tune, "The Mad Man with a Box", played during the scene in The Eleventh Hour when Amy walked into the TARDIS and saw the interior for the first time.

Ratings
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Filming locations

 * The Main Building, The Sir Martin Evans Building, and Tower Building Cardiff University largely fills in for St Luke's University, while the Reardon Smith Theatre (within the National Museum of Wales) is where the Doctor gives his lectures.
 * The Cardiff Metropolitan University (Llandaff Campus)'s Atrium Cafe is where Bill serves chips.
 * The bar scene was shot at Clwb Ifor Bach in Cardiff.
 * Bill runs into the bathroom in "Australia", in World of Boats in Cardiff.
 * CEMEX's Taffs Well quarry, just outside of Cardiff, is the exotic planet the TARDIS team travel to.

Production errors
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Continuity

 * The Doctor has framed photographs on his desk of both his lost wife River Song (TV: The Wedding of River Song - The Husbands of River Song, Forest of the Dead) and his granddaughter Susan. (TV: An Unearthly Child - The Dalek Invasion of Earth)
 * The Doctor has an "Out of Order" sign on the doors of the TARDIS, nearly identical to one used by his first incarnation. (TV: The War Machines)
 * The Doctor has previously met sentient liquid beings, the Kar-Charratans on Kar-Charrat. (AUDIO: The Genocide Machine)
 * The Doctor relents on wiping Bill's memory when she poses the question of how he would feel if it happened to him, clearly bringing back his memories (or lack-there-of) of Clara Oswald. (TV: Hell Bent)
 * In his office, the Doctor has his bust of Beethoven, previously seen in Before the Flood. Similar to that episode, he also plays Beethoven's Fifth Symphony.
 * Pots writes an essay entitled "Laser cooling of ions: atomic clocks and quantum jumps." An atomic clock first appeared in TV: Doctor Who.
 * The Doctor pilots the TARDIS to the Dalek-Movellan War. (TV: Destiny of the Daleks)
 * Near the vault the Doctor had a sign belonging to the Mary Celeste. (TV: The Chase)
 * The Doctor had encountered scorch marks left in concrete by a shuttlecraft once before. (TV: Remembrance of the Daleks)
 * The Doctor mentions the TARDIS' broken chameleon circuit, (TV: An Unearthly Child, Logopolis, Boom Town, COMIC: Hunters of the Burning Stone, et al.) and calls it a "cloaking device." (TV: Doctor Who)
 * The Doctor attempts a memory wipe. (TV: Journey's End) In Hell Bent, he revealed that he's done this several times, usually telepathically. In this case, the method he's about to use was the same one employed on Donna Noble in Journey's End.
 * The Doctor clicks his fingers to open the TARDIS doors. (TV: Forest of the Dead, The Eleventh Hour, Hell Bent, et al.)

DVD releases
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Blu-ray releases
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Digital releases
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