The Doctor and Sarah are drawn off course and, instead of UNIT HQ, they arrive on the same site in 1911.
Quest roles:
Bernard Archard(Marcus Scarman), Michael Sheard(Laurence Scarman), Michael Bilton(Time Lord), Peter Copley(Dr. Warlock), Peter Mayock(Solis), Vic Tablian(Ahmed), Nick Burnell(Mummy), Kevin Selway(Mummy), Melvyn Bedford(Mummy)