Knights from a parallel universe arrive on Earth to find the legendary sword Excalibur. Only the Doctor and Ace, with the assistance of Brigadier Lethbridge-Stewart, can save the Earth from total catastrophe.
Sylvester McCoy , Sophie Aldred , Nicholas Courtney , Jean Marsh , Angela Bruce , Tai Ling , Marcus Gilbert , Christopher Bowen , James Ellis , Angela Douglas
2 Entertain