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