Blakes 7: Avon, Cally and Vila investigates a derelict spacecraft. When they return to The Liberator, they find something else has also returned with them, and Cally finds herself under the influence of a alien woman that assumes Cally's appearance and requires the crew to transport her back to her home planet, and only Avon can stop her.

Starring:

Gareth Thomas, Jacqueline Pearce, Jan Chappell, Josette Simon, Michael Keating, Paul Darrow, Peter Tuddenham, Sally Knyvette, Steven Pacey

Genre:

Adventure, Drama, Sci-Fi