Legend of the Sea Devils (TV story)

Legend of the Sea Devils was the 2022 Doctor Who Easter Special. This episode introduced the Sea Devils into the BBC Wales revival series, last seen on television in 1984's Warriors of the Deep.

Unlike the 2010 redesign of the Sea Devils' sister species, the Silurians, in TV: The Hungry Earth, these returning enemies remained largely faithful to their original designs, with CGI augmentations mostly allowing for a greater variety of expressions.

Synopsis
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Plot
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Cast
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 * The Doctor - Jodie Whittaker
 * Yasmin Khan - Mandip Gill
 * Dan Lewis - John Bishop
 * Ying Ki - Marlowe Chan-Reeves
 * Madam Ching - Crystal Yu
 * Chief Sea Devil - Craige Els

Crew
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TARDIS

 * While underwater, the Doctor reinforces the oxygen bubble with an aquashield.

History

 * Zheng Yi Sao is after the lost treasure of Ji-Hun, known as the keystone. Ji-Hun gave the keystone to Lei Bao, whose family handed it down the generations.
 * The keystone is a plutonic crystal created by the Sea Devils.

Technology

 * Dan has an app on his mobile phone for identifying the constellations in the night sky.
 * The Sea Devils have a geomagnograph for measuring the current flow underwater, and a current regulator for controlling the flow.
 * The Sea Devils also employ orbital electron stripping to keep their sea creature base airtight, and algae to keep the microclimate under check.

Popular culture

 * The Doctor thinks Stephen King films are "never like the books".

Story notes

 * This was the second Easter Special in Doctor Who history, following 2009's Planet of the Dead.

Ratings
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Filming locations
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Production errors
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Continuity

 * The Doctor mentions she's dealt with the Sea Devils "once or twice". (TV: The Sea Devils, Frontier in Space, Warriors of the Deep, et al.)
 * The TARDIS is able to sustain being underwater with the doors open without hurting its occupants, (TV: Listen, PROSE: Dark Horizons) due to its oxygen bubble. (TV: The Runaway Bride, The Beast Below, Oxygen)

DVD releases
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Blu-ray releases
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Digital releases
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