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...
as The Doctor
as The Doctor
as The Doctor
as Jo Grant
as Brigadier Lethbridge-Stewart
as Sergeant Benton
as Omega
as Doctor Tyler
as President of the Council
as Mr. Ollis
as Chancellor
as Time Lord
as Mrs. Ollis
as Corporal Palmer
