Doctor Who (1963): The Depths

The production team and cast recall their experiences of working on Warriors of the Deep. Featuring director Pennant Roberts, writer Johnny Byrne, actors Peter Davison, Janet Fielding, Ian McCulloch, James Coombes and John Asquith, visual effects designer Mat Irvine, continuity advisor Ian Levine and documentary producer Ed Stradling. Narrated by David Harley.