"Revolution of the Daleks" is a special episode of the British science fiction television programme Doctor Who, first broadcast on BBC One on 1 January 2021.
The episode stars Jodie Whittaker as the Thirteenth Doctor, with Bradley Walsh, Tosin Cole and Mandip Gill as companions Graham O'Brien, Ryan Sinclair and Yasmin Khan respectively.
It is revealed that in 2019, shortly after the destruction of the Reconnaissance Scout Dalek,[a] the damaged casing from it was transported to a government facility but intercepted en route.
He uses a temporal freezing gateway disinhibitor bubble to take them both to his vortex manipulator which he had previously hid in another cell, which transports them back to the Doctor's TARDIS.
Using ultraviolet light, the Dalek clones transport themselves into the defence drones which begin exterminating humans, as well as assassinating Patterson.
The Doctor and Yaz continue their adventures together, while Ryan and Graham decide to use their new psychic paper to investigate strange phenomena on Earth.
[2] Robertson appears on Newsnight to explain his encounter with the Daleks at the end of the episode, with its host Emily Maitlis making an uncredited cameo as herself.
[8] Bradley Walsh, Tosin Cole and Mandip Gill reprise their roles as Graham O'Brien, Ryan Sinclair and Yasmin Khan, respectively.
[6] On 23 November 2020, John Barrowman confirmed that he would return for the special as Captain Jack Harkness, after last reprising the role in "Fugitive of the Judoon".
[9] In November 2020, SFX #355 reported that Chris Noth would return as Jack Robertson, Harriet Walter had been cast, and Walsh and Cole would depart the series in this episode.
The website's critical consensus reads, "Despite fun moments and some welcome reunions, 'Revolution of the Daleks' doesn't have the emotional weight to pull off its social commentary and two goodbyes.
[33] Twelve selected pieces of score from this special as composed by Segun Akinola were released on digital music platforms on 2 January 2021 by Silva Screen Records.