Case File One (webcast)

Case File One, subtitled The Stenza, was released online in 2018, alongside The Woman Who Fell to Earth.

Synopsis
Yaz gives a detailed report on the the Stenza warrior, Tzim-Sha, his history and her encounter with him.

Cast

 * Yasmin Khan - Mandip Gill

Crew

 * Writer - Jacqueline Rayner

Worldbuilding

 * The Stenza originate 5000 galaxies away from Earth.
 * The Stenza are the conquerors of the Nine Systems.
 * The Stenza came to Earth to hunt humans. Calling it the ritual of the Stenza, they have gotten away with it for years.
 * The ritual led Tzim Sha, nicknamed Tim Shaw by Team TARDIS, to Sheffield.
 * Stenza warriors such as Tzim Sha use armour to scan their surroundings and adapt to the environment.
 * Tzim Sha's face is covered with teeth taken from his victims, representing his conquests.
 * Stenza's skin are ice cold and so can kill with a touch.
 * Tzim Sha used a "mega-cold" transport pod to travel to the Peak District.
 * Ryan Sinclair found the transport pod and called the police, which led to Yasmin Khan being involved.
 * The gathering coil was a half organic machine which was used by Tzim Sha to locate his human target.
 * The gathering coil implanted DNA bombs.
 * Karl, Rahul and the recall circuitry are seen.
 * The Thirteenth Doctor defeated Tzim Sha, but not before offering him a chance to change.

Story notes

 * Case File One uses imagery from the television story The Woman Who Fell to Earth.

Continuity

 * Yaz recaps Team TARDIS' encounter with Tzim-Sha. (TV: The Woman Who Fell to Earth)