The Two Doctors

Synopsis
The Sixth Doctor arrives at Space Station Chimera and bumps into an old friend, Jamie. The two incarnations of the Doctor join forces to stop Dastari and Chessene from performing dangerous experiments in time.

Cast
The Doctor - Colin Baker
The Doctor - Patrick Troughton
Peri - Nicola Bryant
Jamie McCrimmon - Frazer Hines
Shockeye - John Stratton
Chessene - Jacqueline Pearce
Dastari - Laurence Payne
Oscar Botcherby - James Saxon
Anita - Carmen Gómez
Varl - Tim Raynham
Stike - Clinton Greyn
Doña Arana - Aimée Delamain
Technician - Nicholas Fawcett