January
- 2-3 January - Location filming for Planet of the Daleks took place. (REF: Doctor Who The Handbook: The Third Doctor)
- 4-5 and 8-9 January - Pre-filming for Planet of the Daleks took place at Stage 3B of Ealing Studios. (REF: Doctor Who The Handbook: The Third Doctor)
- 22-23 January - Studio filming for Planet of the Daleks took place at BBC Television Centre studio 4. (REF: Doctor Who The Handbook: The Third Doctor)
February
- 5-6 February - Studio filming for Planet of the Daleks took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Third Doctor)
- 19-20 February - Studio filming for Planet of the Daleks took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Third Doctor)
March
- 12-16 and 19-20 March - Location filming for The Green Death took place. (REF: Doctor Who The Handbook: The Third Doctor)
- 14 March - April Walker is formally contracted for the role of Sarah Jane Smith. This casting would later be dismissed (but still paid for) due to the protesting of Jon Pertwee. [1]
April
- 2-3, 16-17 and 29-30 April - Studio filming for The Green Death took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Third Doctor)
May
- 7-10 May - Location filming for The Time Warrior took place. (REF: Doctor Who The Handbook: The Third Doctor)
- 28-29 May - Studio filming for The Time Warrior took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Third Doctor)
June
- 11-12 June - Studio filming for The Time Warrior took place at BBC Television Centre studio 1. (REF: Doctor Who The Handbook: The Third Doctor)
July
August
September
- 2 and 23-29 September - Location filming for Invasion of the Dinosaurs took place. (REF: Doctor Who The Handbook: The Third Doctor)
October
- 15-16 October - Studio filming for Invasion of the Dinosaurs took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Third Doctor)
- 29-30 October - Studio filming for Invasion of the Dinosaurs took place at BBC Television Centre studio 8. (REF: Doctor Who The Handbook: The Third Doctor)
November
- 12-13 November - Studio filming for Invasion of the Dinosaurs took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Third Doctor)
- 13-16 and 19 November - Location filming for Death to the Daleks took place. (REF: Doctor Who The Handbook: The Third Doctor)
December
- 3-4 and 18-19 December - Studio filming for Death to the Daleks took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Third Doctor)
Footnotes
- ↑ INFO: Invasion of the Dinosaurs