Feature-length episode to celebrate the 20th anniversary of the long-running sci-fi series. All five Doctors (Peter Davison, Patrick Troughton, Jon Pertwee, Richard Hurndall and Tom Baker) and many of their old companions are taken out of time and deposited in the Death Zone on Gallifrey. There they must battle not only the Master, but Daleks, Cybermen and Yeti in order to reach the Dark Tower and discover the Tomb of Rassilon. This special edition includes new special effects and extra footage not included in the original broadcast.

When Zoe reattaches an old piece of equipment to the TARDIS console, she, Jamie and the Doctor are very lucky to avoid a collision. But the place they find themselves in may be even more dangerous - because there they encounter another Doctor, a space pilot named Steven...and a young woman called Katarina who really shouldn't be there...CAST: Peter Purves (Steven Taylor/the First Doctor / Narrator), Frazer Hines (Jamie McCrimmon/ the Second Doctor), Wendy Padbury (Zoe Heriot/ Narrator), Ajjaz Awad (Katarina), Nicholas Briggs (the Daleks) More cast details to follow. CAST: Peter Purves (Steven Taylor / the First Doctor / Narrator), Frazer Hines (Jamie McCrimmon / the Second Doctor), Wendy Padbury (Zoe Heriot / Narrator), Ajjaz Awad (Katarina), Nicholas Briggs (the Daleks), Ian Crowe (Chancellor Atrias / Varx / Krell), Laura Elphinstone (Captain Parlos), Max Keeble (Piril / Togrok). Other parts played by members of the cast.

The TARDIS crew land on Mars, home of the Ice Warriors, far back in its history. In the deepest caves, the true Lords of the Red Planet are ready to emerge...Can anyone possibly survive their birth?

The Doctor, Jamie and Zoe find themselves on an almost deserted space lab. Earth Station 454 is being closed down, mothballed, its staff relocated. Years of research and co-operation are coming to an end and only distinguished xeno-botanist Professor Arnold Biggs remains on board.

Six narrated TV soundtrack adventures starring Patrick Troughton as the Second Doctor - plus bonus features. These thrilling recordings of TV episodes, largely absent from the BBC archives, have been remastered with additional linking narration by original cast members. This set also includes bonus interviews with Wendy Padbury and Frazer Hines. In The Enemy of the World, recently returned to the film archives, the time travellers meet the Doctor's murderous double. In The Web of Fear the Doctor and friends find the London Underground tunnels overrun by Yeti! In Fury from the Deep something nasty is lurking in the gas pipelines of the North Sea. In The Wheel in Space the Doctor and Jamie confront some old adversaries in the far future. In The Invasion the Doctor battles to prevent the Cybermen from invading present day Earth. In The Space Pirates the TARDIS crew encounter the Interstellar Space Corps and a gang of murderous bandits. The collection also includes PDF files featuring high quality scans of the original BBC TV camera scripts. Duration: 15 hours 30 mins (P) & (c) 2021 BBC Studios Distribution For cast and credits see accompanying PDF booklet