Suddenly gripped by a memory of being executed in his second incarnation, the Sixth Doctor travels to Seville to save his past self and ensure his own existence in his present.
Colin Baker , Patrick Troughton , Nicola Bryant , Frazer Hines , John Stratton , Jacqueline Pearce , Laurence Payne , Aimée Delamain , James Saxon , Clinton Greyn
BBC