Question:  Faye Elaine Marsay had a notable roll in the final episode of the third series of British science fiction anthology series that premiered on what date?

Context paragraphs:
Out of This World (UK TV series): Out of This World is a British science fiction anthology television series made by ABC Television and broadcast in 1962.  A spin-off from the "Armchair Theatre" anthology series, each episode was introduced by the actor Boris Karloff.  Many of the episodes were adaptations of stories by science fiction writers including Isaac Asimov, Philip K. Dick and Clifford D. Simak.  The series is generally seen as a precursor to the BBC science fiction anthology series "Out of the Unknown".

Hated in the Nation (Black Mirror): "Hated in the Nation" is the sixth and final episode of the third series of British science fiction anthology series "Black Mirror".  Written by series creator and showrunner Charlie Brooker and directed by James Hawes, it premiered on Netflix on 21 October 2016, along with the rest of series three.  It is the longest episode in the series at 89 minutes.

Faye Marsay: Faye Elaine Marsay (born 30 December 1986) is an English actress.  Her notable roles include Anne Neville in "The White Queen", Amy in "Need for Speed", the recurring character Candice in "Fresh Meat", Steph in the film "Pride", Blue Colson in the "Black Mirror" episode "Hated in the Nation", and the Waif in the fifth and sixth seasons of "Game of Thrones".

Playtest (Black Mirror): "Playtest" is the second episode of the third series of British science fiction anthology series "Black Mirror".  Written by series creator and showrunner Charlie Brooker and directed by Dan Trachtenberg, it premiered on Netflix on 21 October 2016, together with the rest of series three.

San Junipero: "San Junipero" is the fourth episode of the third series of British science fiction anthology series "Black Mirror".  Written by series creator and showrunner Charlie Brooker and directed by Owen Harris, it premiered on Netflix on 21 October 2016, together with the rest of series three.  The episode has a substantially happier tone than other "Black Mirror" episodes, and is one of the show's most successful episodes.

Men Against Fire: "Men Against Fire" is the fifth episode of the third series of British science fiction anthology series "Black Mirror".  Written by series creator and showrunner Charlie Brooker and directed by Jakob Verbruggen, it premiered on Netflix on 21 October 2016, together with the rest of series three.

White Christmas (Black Mirror): "White Christmas" is a 2014 Christmas special episode of the British science fiction anthology series "Black Mirror".  It was written by series creator and showrunner Charlie Brooker and directed by Carl Tibbetts, and first aired on Channel 4 on 16 December 2014.  The only television special of the series, it is also the last episode to be aired on Channel 4, as the series would move to Netflix for its third series.

Shut Up and Dance (Black Mirror): "Shut Up and Dance" is the third episode of the third series of British science fiction anthology series "Black Mirror".  It was written by series creator and showrunner Charlie Brooker and William Bridges, and premiered on Netflix on 21 October 2016, together with the rest of series three.

The Entire History of You: "The Entire History of You" is the third and final episode of the first series of British science fiction anthology series "Black Mirror".  It was written by the creator of "Peep Show" and "Fresh Meat", Jesse Armstrong, making it the only episode of the series not written or co-written by creator and showrunner Charlie Brooker.  It was directed by Brian Welsh, and first aired on Channel 4 on 18 December 2011.

Nosedive: "Nosedive" is the first episode of the third series of British science fiction anthology series "Black Mirror".  Michael Schur and Rashida Jones wrote the teleplay for the episode, based on a story by series creator and showrunner Charlie Brooker, while Joe Wright acted as director.  Max Richter composed the soundtrack.  It premiered on Netflix on 21 October 2016, together with the rest of the third series.

Supporting paragraphs: Faye Marsay Hated in the Nation (Black Mirror)
Answer: 21 October 2016