Three Doctors, one ego, infinite chaos — and the BBC said 'we can barely afford one.'
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...
Acting
Troughton and Pertwee's bickering chemistry is *chef's kiss*
Practical Effects
Gel creature that wobbles — peak 1973 BBC charm
Production
Hartnell's pre-filmed cameo due to failing health
Director
Lennie Mayne
Trivia, insights & behind the scenes
This was Hartnell's final appearance as the First Doctor; his scenes were pre-filmed due to declining health, making this a bittersweet farewell.
The 'multi-Doctor' story became a tradition, but this 1973 serial established the template that anniversary specials still copy today.
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