The Battle of Ranskoor Av Kolos (TV story)

The Battle of Ranskoor Av Kolos was the tenth and final episode of series 11 of Doctor Who.

The episode acted as a bookend to the series by marking the return of Tzim-Sha, who previously appeared in the first episode, The Woman Who Fell to Earth. It also granted closure to Graham and Ryan's grief over Grace's death that occurred in the same episode and became a reccurring subject throughout the series.

Synopsis
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Plot
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Cast

 * The Doctor - Jodie Whittaker
 * Graham O'Brien - Bradley Walsh
 * Ryan Sinclair - Tosin Cole
 * Yasmin Khan - Mandip Gill
 * Andinio - Phyllis Logan
 * Paltraki - Mark Addy
 * Delph - Percelle Ascott
 * Tzim-Sha - Samuel Oatley
 * Umsang - Jan Le

Crew
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Story notes

 * Unlike in TV: The Woman Who Fell to Earth, Tzim-Sha is listed in the credits with his real name, instead of the Doctor's nickname "Tim Shaw". Additionally, the credit uses the spelling established in PROSE: The Secret in Vault 13, rather than that used in WC: Case File One (T’zim-Sha).
 * To keep the return of Tzim-Sha a surprise, Samuel Oatley was not credited in Radio Times.

Ratings
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Filming locations
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Production errors
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Continuity

 * The events from the companions' first encounter with the Thirteenth Doctor are referred to throughout. (TV: The Woman Who Fell to Earth)
 * Grace O'Brien's death as a result of Tzim-Sha is discussed by Graham, Ryan and the Doctor.
 * Tzim-Sha recalls how the Stenza recall device and DNA bombs sent him to Ranskoor Av Kolos, badly injured.
 * Tzim-Sha mentions his plan to become leader of the Stenza.
 * The Doctor brings up the new coat she bought from a charity shop.
 * The Doctor mentions the TARDIS regressing a Slitheen back into an egg (TV: Boom Town) and towing the Earth halfway across the universe. (TV: Journey's End)
 * SniperBots from Desolation are used by Tzim-Sha. The Stenza had previously conquered Desolation. (TV: The Ghost Monument)
 * The Doctor refers to her TARDIS as a ghost monument. (TV: The Ghost Monument)
 * Ryan and Graham fist bump. (TV: Rosa, The Tsuranga Conundrum)
 * Ryan calls Graham his granddad, and further admits that he loves him. (TV: It Takes You Away)
 * Graham sarcastically comments on the cheery translation of Ranskoor Av Kolos. (TV: The Ghost Monument)
 * The Doctor tries to call her companions "fam" once more. This time, Yaz expresses a liking to it while Ryan and Graham still hate it. (TV: The Woman Who Fell to Earth, Arachnids in the UK, The Witchfinders)
 * The Doctor previously met somebody else who stole and miniaturised planets. (TV: The Pirate Planet)
 * The Doctor uses the TARDIS telepathic circuits again and mentions using it with Yaz's grandmother's watch. (TV: Demons of the Punjab)
 * The Doctor summons the TARDIS using her sonic screwdriver, something her war incarnation did quite frequently. (AUDIO: The Thousand Worlds et al.)

DVD releases
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Blu-ray releases
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Digital releases
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