| Season Number: | 9 |
| Bgcolour: |
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| Num Stories: | 5 |
| Num Episodes: | 26 |
| Network: | BBC1 |
| Episode List: | List of Doctor Who episodes (1963–1989) |
The ninth season of British science fiction television series Doctor Who began on 1 January 1972 with Day of the Daleks, and ended with The Time Monster. This is the third series of the Third Doctor, played by Jon Pertwee, as well as the third to be produced by Barry Letts and script edited by Terrance Dicks.
See also: List of Doctor Who cast members.
Jon Pertwee continues his role as the Third Doctor, as does Katy Manning playing Jo Grant.
Nicholas Courtney, John Levene and Richard Franklin continue their roles of Brigadier Lethbridge-Stewart, Sergeant Benton and Captain Mike Yates respectively.
Roger Delgado returns to play The Master in The Sea Devils and The Time Monster.
Alan Bennion makes his second of three appearances in the series playing an Ice Warrior, portraying Lord Izlyr in The Curse of Peladon and Valentine Palmer plays Monia in episodes 3 and 4. Geoffrey Palmer makes an appearance as the Administrator in The Mutants, and Hammer actress Ingrid Pitt played Queen Galleia in The Time Monster.
See also: List of Doctor Who episodes (1963–1989). The first serial, Day of the Daleks, saw the return of the Daleks for the first time since Season 4's The Evil of the Daleks in 1967. This was also the first time that the Daleks had been seen in colour in the television series (they had been in colour in the two films starring Peter Cushing produced in the mid-1960s).
The entire season was broadcast from 1 January to 24 June 1972.
See also: List of Doctor Who home video releases and List of other Doctor Who home video releases.
See also: List of Doctor Who novelisations.