Listings:

The TARDIS takes the Doctor and Peri to the planet Necros, where the Doctor plans to visit his old friend Professor Arthur Stengos. But after an encounter with the Great Healer, Stengos is not quite the man the Doctor once knew. The Great Healer works in the catacombs beneath Tranquil Repose, the galactically-famous final resting place for the dead and the not-quite-yet-dead. In the upper chambers the busy workers prepare the deceased for their final burial, while deep below the Great Healer is using their bodies for a sinister project of his own. For the Great Healer is also known by another name - Davros, creator of the Daleks, who's using the bodies to build himself a brand new Dalek army. The Doctor must quickly act to stop Davros, but the evil scientist has a plan that will eradicate all opposition and enable him to lead his Daleks on a new mission of universal conquest...

Another adventure for everyone's favourite Time Lord. The Doctor (Colin Baker) and Peri arrive in the north of England during the Luddite uprisings, and discover that brilliant but amoral Time Lord the Rani is stealing the chemical which promotes sleep from the mine workers' brains. The Master is also in town, planning to use the disruptive Luddites to deprive the Doctor of his TARDIS and destroy him once and for all.Starring: Peter Childs, William Ilkley, Terence Alexander, Colin Baker, Hus Levent, Kate O'Mara, Nicola Bryant, Gary Cady, Richard Steele, Gawn Grainger, Anthony Ainley. Directed by: Sarah Hellings.

Starring: Patrick Troughton, Colin Baker, Nicola Bryant Directed by: Peter Moffatt When the Doctor (Colin Baker) lands on a space station in the Third Zone, he suspects he's been there before and when he discovers his old assistant - Jamie - he's certain. Accompanied by Jamie and his present assistant Peri, the Doctor follows himself (Patrick Troughton) to 20th Century Seville. There he discovers his old enemeies, the Sontarans, about to dissect him in a genetic operation. But just why are they operating on the Doctor? And how will their findings aid their enslavement of the universe? Deadly questions to which the Doctors must find answers in order to escape their own excruciating death... Extras include: Commentary by Colin Baker, Nicola Bryant, Frazer Hines, Jacqueline Pearce and director Peter Moffatt. Isolated music soundtrack. Production notes. 'A Fix With Sontarans' - short mini-episode from Jim'll Fix It (10 mins). Easter egg. 'Behind the Sofa - Robert Holmes & Doctor Who' (45 mins). Beneath the Lights (25 mins). 'Beneath the Sun' - location takes from Spain (35 mins). 'Adventures in Time and Spain' - interview with production manager Gary Downie (30 mins). 'Wavelength' - 1984 radio production following the cast and crew (29 mins). Photo gallery. Aspect Ratio: 4:3

On the planet Karfel a high ranking official, Maylin Tekker, uses threats against Peri to force the Doctor (Colin Baker) to go to Earth and bring back a young woman called Vena who, while holding a precious amulet, has accidentally fallen into the Timelash - a time tunnel through which the planets tyrannical ruler the Borad banishes all rebels. The Doctor also inadvertently brings back Herbert, a man from the 19th Century, who stows away aboard the TARDIS.

Starring Colin Baker Written by Phillip Martin Directed by Ron Jones Produced by John Nathan-Turner The Doctor visits the planet Varos to obtain supplies of a rare ore called zeiton 7, vital to the functioning of the TARDIS. Varos was once a colony for the criminally insane and the descedants of the orginal guards still rule over the rest poverty-striken population. The Doctor and Peri meet two rebels, Jondar and Areta, and Peri and Areta are captured by Qullam, the Dome's sadistic commandant... Extras include commentary track, on-screen production notes, photo gallery and deleted scenes.