Doctor Who: The Two Doctors (1984) (DVD)

The Doctor comes face to face with himself in 20th Century Seville, where he discovers that his old adversaries, the Sontarans, are about to dissect him in a genetic experiment. What is the purpose behind this operation and how will this assist them in their enslavement of the Universe? Time is running out for the Doctor who must find a solution to this problem before he ends up on the operating table and undergoes a fate worse than death...

Commentary by Colin Baker, Nicola Bryant, Frazer Hines, Jaqueline Pearce and director Peter Moffat
'Jim'll Fix It' - A Fix with Sontarans, starring Colin Baker, Janet Fielding and Gareth Jenkins
Beneath the Sun - a 35-minute featurette with some of the raw footage shot on location in Seville, Spain
'Adventures in Time and Spain' - a 30-minute documentary comparing the original locations with how they look today
'Behind the Sofa', a 45-minute documentary about the writing of Robert Holmes
Segment from the radio series 'Wavelength' on the making of the story
An isolated music soundtrack
Production notes
Photo gallery
Easter eggs
News reports covering the cancellation of the TV series