Arachnids in the UK (TV story)

Arachnids in the UK was the fourth episode in the eleventh series of Doctor Who produced by BBC Wales.

The Thirteenth Doctor finally returns Graham, Ryan and Yasmin home, just half an hour after they had left unwillingly. Notably, these new companions actively choose to travel with her at the end of this episode.

Synopsis
The Thirteenth Doctor finally manages to bring her friends home, but with more time alone on the horizon, she soon discovers that something unnatural has happened to the eight-legged population of Sheffield. Why have they converged on an unopened hotel, and why is there a man going around like he owns the place?

Plot
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Cast

 * The Doctor - Jodie Whittaker
 * Graham O'Brien - Bradley Walsh
 * Ryan Sinclair - Tosin Cole
 * Yasmin Khan - Mandip Gill
 * Robertson - Chris Noth
 * Grace O'Brien - Sharon D Clarke
 * Najia Khan - Shobna Gulati
 * Dr Jade McIntyre - Tanya Fear
 * Hakim Khan - Ravin J Ganatra
 * Sonya Khan - Bhavnisha Parmar
 * Frankie Ellish - Jaleh Alp
 * Kevin - William Meredith

Crew
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People

 * The Doctor mentions an incident involving stopping an airplane with a pencil-thick strand of spider-web and Amelia Earhart.
 * The Doctor used to be a sister in an aqua hospital which turned out to be a training camp for the Quiston Calcium Assassins.
 * The Doctor muses that The Spider Mother in the Ballroom could be the title of "the best novel Edith Wharton never wrote".
 * The Doctor says she used to have sisters.
 * The Doctor states that Ed Sheeran is a person that a lot of people talk about today.
 * Ryan remarks Stormzy is popular in Sheffield's grime scene.
 * Donald Trump is said to be the current sitting President of the United States.
 * Jack Robertson was featured in Fortune Global 500.
 * Sonya thinks Yaz and Ryan are romantically attached. Najia also makes that assumption of her daughter and the Doctor.

Locations

 * Yasmin Khan and her family live in Flat 34 at Park Hill. Anna, the neighbour two doors down, lives in Flat 27.
 * A sign on Yaz's floor points the way to Norwich Street.
 * A Stagecoach Supertram is seen travelling to the destination Malin Bridge. Another is travelling to Meadowhall.
 * Sheffield Hallam University can be seen from Graham's house.
 * Graham's house is number 36.
 * A map of Sheffield shows districts within and around the city. Areas include Boulder Hill, Brightside, Burngreave, Catcliffe, Cathedral, Darnall, Fir Vale, Firth Park, Grimesthorpe, Hillsborough, Kelham Island, Longley - including Longley Park, Loxley Estate, Manor Castle, Middlewood, Orgreave, Parkwood Springs, Parson Cross, Sheffield Park, Shirecliffe, Shiregreen, Stannington, Templeborough, Tinsley, Wadsley, Wadsley Bridge, Walkley, Wincobank, Wisewood and Wood Hill. Jack Robertson's hotel is located just north of Parkwood Springs.

Businesses

 * Najia briefly works for Robertsons Luxury Hotels.
 * Royal Mail have delivered a parcel which needs collecting from Flat 27.

Technology

 * The Doctor uses the psychic paper to identify herself to Robertson as a "problem-solver".
 * Jade uses an HP laptop.

Food and beverages

 * Hakim offers to cook pakora - a dish which Yaz states that he's terrible at.
 * Anna has tins of chick peas and baked beans in her flat.

Story notes

 * This story introduced the new version of the Time Vortex, providing an in-depth view of the TARDIS flying through it.
 * While the Doctor says in this episode she's never had a flat before, previous stories such as PROSE: Verdigris and PROSE: Endgame indicate otherwise.
 * The plot of the episode is similar to the films Ice Spiders and Eight Legged Freaks due to using both the themes of scientific blunders from the former and toxic waste mutating normal sized spiders from the latter.
 * The title of this episode is a play on the Sex Pistols song title Anarchy in the UK.
 * Almost every science fiction fact about spiders mentioned or done in the episode has its ground in real world science.
 * Internationally renowned zoologist and conservationist Dr Niall Doran was consulted for this episode.

Ratings

 * 6.43 million (UK overnight)

Filming locations
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Production errors
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Continuity

 * The Doctor returns her companions to Sheffield half an hour after they left. (TV: The Woman Who Fell to Earth)
 * The Doctor once more refers to her TARDIS team as "fam". (TV: The Woman Who Fell to Earth) Sarah Jane Smith had previously told the Tenth Doctor that he had biggest family on Earth in the form of his companions. (TV: Journey's End)
 * The Doctor calls her group "Team TARDIS." (TV: Journey to the Centre of the TARDIS)
 * The Doctor's bemusement to Ryan if she is being weird in public resembles the Tenth Doctor's similar aside to Rose Tyler about whether he acts rude. (TV: Tooth and Claw)
 * Najia Khan's wary attitude to the Doctor echoes that of other mothers of companions such as Jackie Tyler, (TV: Aliens of London) Francine Jones (TV: The Lazarus Experiment) and Sylvia Noble. (TV: The Sontaran Stratagem)
 * The Doctor reiterates her dislike of guns, (TV: The Sontaran Stratagem, The Doctor's Daughter, The Impossible Astronaut, The Curse of the Black Spot, Into the Dalek, The Doctor Falls, The Ghost Monument)
 * The Doctor uses her psychic paper. (TV: The End of the World, et al.)
 * Graham is still grieving over Grace O'Brien. (TV: The Woman Who Fell to Earth)
 * The Doctor has previously met large arachnid-like creatures, such as the Great One of the Eight Legs, (TV: Planet of the Spiders) the Lobri, (COMIC: Ground Zero) a friendly Hysperon spider, (PROSE: The Scarlet Empress) the Racnoss, (TV: The Runaway Bride) and spider germs, (TV: Kill the Moon) as well as a large spider of unknown origin (COMIC: Dr. Who in the Spider's Web) and Giant Spiders of a jungle planet. (COMIC: The Psychic Jungle)
 * The Doctor had encountered arthropods which had been mutated to giant size by toxic waste dumped by an unscrupulous company in an abandoned coal mine once before. (TV: The Green Death)

DVD releases
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Blu-ray releases
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Digital releases
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