1971 (production)

Unknown Dates

 * At some point during 1971, World Distributors cancelled plans for a 1972 Doctor Who Annual for unknown reasons. This was the only year the book was skipped until its cancellation in the mid-1980s.

January

 * 4-8 January - Location filming for The Claws of Axos took place. (REF: Doctor Who The Handbook: The Third Doctor)
 * 22-23 January - Studio filming for The Claws of Axos took place at BBC Television Centre 3. (REF: Doctor Who The Handbook: The Third Doctor)

February

 * 5-6 February - Studio filming for The Claws of Axos took place at BBC Television Centre 4. (REF: Doctor Who The Handbook: The Third Doctor)
 * 10-12 and 15-16 February - Location filming for Colony in Space took place. (REF: Doctor Who The Handbook: The Third Doctor)

March

 * 5-6 March - Studio filming for Colony in Space took place at BBC Television Centre 4. (REF: Doctor Who The Handbook: The Third Doctor)
 * 19-20 March - Studio filming for Colony in Space took place at BBC Television Centre 3. (REF: Doctor Who The Handbook: The Third Doctor)

April

 * 2-3 April - Studio filming for Colony in Space took place at BBC Television Centre 3. (REF: Doctor Who The Handbook: The Third Doctor)
 * 19-24 and 26-30 April - Location filming for The Dæmons took place. (REF: Doctor Who The Handbook: The Third Doctor)
 * 26 April - Malcolm Hulke delivered the storyline for The Sea Devils. (INFO: The Sea Devils)

May

 * 11 and 19 May - Studio filming for The Dæmons took place at BBC Television Centre 4. (REF: Doctor Who The Handbook: The Third Doctor)
 * 26 May - Studio filming for The Dæmons took place at BBC Television Centre 3. (REF: Doctor Who The Handbook: The Third Doctor)

September

 * 13-16 September - Location filming for Day of the Daleks took place. (REF: Doctor Who The Handbook: The Third Doctor)

October

 * 4-5 October - Studio filming for Day of the Daleks took place at BBC Television Centre studio 4. (REF: Doctor Who The Handbook: The Third Doctor)
 * 18-19 October - Studio filming for Day of the Daleks took place at BBC Television Centre studio 8. (REF: Doctor Who The Handbook: The Third Doctor)
 * 21-22 and 25-30 October - Location filming for The Sea Devils took place. (REF: Doctor Who The Handbook: The Third Doctor)

November

 * 15-16 and 29-30 November - Studio filming for The Sea Devils took place at BBC Television Centre studio 8. (REF: Doctor Who The Handbook: The Third Doctor)

December

 * 13-14 November - Studio filming for The Sea Devils took place at BBC Television Centre studio 8. (REF: Doctor Who The Handbook: The Third Doctor)
 * 16-17 December - Pre-filming for The Curse of Peladon took place on Stage 2 of Ealing Studios. (REF: Doctor Who The Handbook: The Third Doctor)