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?
Peter Davison , Sarah Sutton , Janet Fielding , Mark Strickson , Nicholas Courtney , Valentine Dyall , David Collings , Roger Hammond
BBC
