The Doctor discovers that the Daleks are drilling on an unnamed planet for reasons unknown in this four episode special from 1979.
The full list of extras for this release comprises:
A commentary with actors Lalla Ward and David Gooderson, and director Ken Grieve.
Terror Nation (dur. 27' 47") - documentary about writer Terry Nation, creator of the Daleks, and his work on Doctor Who. With producers Barry Letts and Philip Hinchcliffe, script editor Terrance Dicks, director Richard Martin, Dalek voice artiste Nicholas Briggs.
Directing Who (dur. 9' 27" ) - director Ken Grieve recalls his time on this story in this short feature from John Kelly.
CGI Effects - a popular feature of many of our releases, this gives the viewer the option to watch the story with seventeen of the original video effects sequences replaced by CGI versions created by John Kelly.
Trails and Continuity (dur. 3' 43") - BBC1 trails and continuity announcements from the story's transmission, including the specially shot trailer heralding the return of the Daleks.
Photo Gallery (dur. 8' 12") - production, design and publicity photos from the story.
Prime Computer Adverts (dur. 3' 06") - Australian TV adverts for Prime Computers, starring the Doctor and Romana.
Coming Soon (dur. 1' 04") - trail for a forthcoming DVD release.
Radio Times Listings in Adobe PDF format for viewing on PC or Mac. Programme subtitles. Subtitle Production Notes.