Doctor Who: Frontios

"Frontios buries its own dead", or so the saying goes. The Doctor, Turlough and Tegan are forced into landing on the remote planet of Frontios, a human colony where deaths go unaccounted for. What lies beneath the surface, dragging its victims down?

Cast: Peter Davison, Janet Fielding, Mark Strickson, Jeff Rawle, Peter Gilmore, Lesley Dunlop