Time itself is in peril! The Time Lords and UNIT find themselves besieged by a mythic figure from the Time Lords’ past hell-bent on destruction. The only way to defeat him is to break the First Law of Time and let the Doctor help himself — literally…
Length 100 minutes
Jon Pertwee | Patrick Troughton | William Hartnell | Katy Manning | Nicholas Courtney | John Levene | Stephen Thorne | Rex Robinson | Roy Purcell | Laurie Webb | Clyde Pollitt | Graham Leaman | Patricia Prior | Denys Palmer