Doctor Who: Full Circle

On the planet Alzarius in the alternate universe of E-Space, the Doctor, Romana and K9 find survivors of a crashed starliner, strange creatures lurking in the marshes and a genetic riddle which stretches back centuries.

• Director: Peter Grimwade
• Cast: Tom Baker, Lalla Ward, Matthew Waterhouse, John Leeson, George Baker, Leonard Maguire, James Bree, Alan Rowe