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...
Jon Pertwee
Patrick Troughton
William Hartnell
Katy Manning
Nicholas Courtney
Score: 7.6
Score: 8.3
Score: 7.8
Score: 6.3
Score: 6.0
Score: 5.8
Score: 7.6
Score: 8.0
