was released on Blu-ray on 5 December 2022, alongside the rest of the show's second season as part of The Collection. Film adaptation In 1966, the serial was adapted as a film, Daleks' Invasion Earth 2150 A.D., directed by Gordon Flemyng and written by Milton Subotsky and David Whitaker. The film stars Peter Cushing as Dr. Who and Roberta Tovey as Susan, with the roles of Ian Chesterton and Barbara Wright being replaced by the new characters Tom Campbell (Bernard Cribbins) and Louise (Jill Curzon). Notes References Bibliography External links Dalek television stories Doctor Who serials novelised by Terrance Dicks Fiction set in the 22nd century First Doctor serials Television episodes about alien invasion Television episodes set in London Television episodes written by Terry Nation