The last six episodes from the ninth series of the relaunched sci-fi adventure drama, with Peter Capaldi reprising his role as the legendary Time Lord. This time around, the Doctor and his companion Clara Oswald (Jenna-Louise Coleman) must thwart a Zygon invasion of Earth, face the Raven and travel to a space station above Neptune together. The Doctor also finds himself in a nightmarish castle and must later return to Gallifrey to confront the Time Lords. The episodes are: 'The Zygon Invasion', 'The Zygon Inversion', 'Sleep No More', 'Face the Raven', 'Heaven Sent' and 'Hell Bent'.