Scotch Mist in Sussex: Remembering Terror of the Zygons

Cast and crew look back at the making of this story. With actors John Levene and John Woodnutt, producer Philip Hinchcliffe, writer Robert Banks Stewart, designer Nigel Curzon, costume designer James Acheson, visual effects assistant Steve Bowman, writer and historian Simon Farquar and the director's son, Joggs Camfield.