A warp ellipse draws the TARDIS off course. The Fifth Doctor's companions are separated from him not in space, but in time, and he has to deal with a treacherous schoolboy named Turlough. But why does the Doctor's old friend, the Brigadier, not remember him at all?
Cast and Crew
Peter Davison
The Doctor
Sarah Sutton
Nyssa
Janet Fielding
Tegan Jovanka
Mark Strickson
Vislor Turlough
Nicholas Courtney
Brigadier Alistair Gordon Lethbridge-Stewart
Valentine Dyall
The Black Guardian
David Collings
Mawdryn
Angus MacKay
Headmaster
Stephen Garlick
Ibbotson
Roger Hammond
Dr. Runciman
Sheila Gill
Matron
Peter Walmsley
Mutant
Brian Darnley
Mutant
William Hartnell
The Doctor (1) (archive footage)
Patrick Troughton
The Doctor (2) (archive footage)
Jon Pertwee
The Doctor (3) (archive footage)
Tom Baker
The Doctor (4) (archive footage)
Roger Delgado
The Master (archive footage) (Special Edition)
Michael Kilgarriff
K1 Robot (archive footage)
Stanley Mason
Bok (archive footage) (Special Edition)
Stephen Thorne
Omega (archive footage) (Special Edition)
John Woodnutt
Duke of Forgill/Broton (archive footage) (Special Edition)
