The Three Doctors (Doctor Who)

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065 – The Three Doctors
Doctor Who serial
Omega explains things before two of the three Doctors and Sergeant Benton.
Cast
Doctors Jon Pertwee – Third Doctor Patrick Troughton – Second Doctor William Hartnell – First Doctor
Companion Katy Manning – Jo Grant
Guest Nicholas Courtney – Brigadier Lethbridge-Stewart John Levene – Sergeant Benton Stephen Thorne – Omega Roy Purcell – President of the Council Clyde Pollitt – Chancellor Graham Leaman – Time Lord Rex Robinson – Dr. Tyler Laurie Webb – Ollis Patricia Prior – Mrs. Ollis Denys Palmer – Corporal Palmer
Production
Directed by	Lennie Mayne
Written by	Bob Baker Dave Martin
Script editor	Terrance Dicks
Produced by	Barry Letts
Music by	Dudley Simpson
Production code	RRR
Series	Season 10
Running time	4 episodes, 25 minutes each
First broadcast	30 December 1972 (1972-12-30)
Last broadcast	20 January 1973 (1973-01-20)
Chronology
← Preceded by The Time Monster Followed by → Carnival of Monsters
List of episodes (1963–1989)

The Three Doctors is the first serial of the tenth season of the British science fiction television series Doctor Who, first broadcast in four weekly parts on BBC1 from 30 December 1972 to 20 January 1973.

In the serial, the solar engineer Omega (Stephen Thorne), the creator of the experiments that allowed the Time Lords to travel in time, seeks revenge on the Time Lords after he was left for dead in a universe made of antimatter. The Time Lords recruit the time travellers the First Doctor (William Hartnell), the Second Doctor (Patrick Troughton), and the Third Doctor (Jon Pertwee) for help when Omega drains power throughout the universe, threatening all of existence.

The serial opened the tenth anniversary year of the series, and features the first three Doctors all appearing in the same serial. This makes it the first Doctor Who story in which an earlier incarnation of the Doctor returns to the show. It was also Hartnell's last appearance as the First Doctor prior to his death in 1975.