1970 (production)

January

 * 5 and 12 January - Studio filming for Doctor Who and the Silurians took place at BBC Television Centre 1. (REF: Doctor Who The Handbook: The Third Doctor)
 * 19 and 26 January - Studio filming for Doctor Who and the Silurians took place at BBC Television Centre 8. (REF: Doctor Who The Handbook: The Third Doctor)
 * 23, 26-27 and 29-31 January - Location filming for The Ambassadors of Death took place. (REF: Doctor Who The Handbook: The Third Doctor)

February

 * 2-4 February - Location filming for The Ambassadors of Death took place. (REF: Doctor Who The Handbook: The Third Doctor)
 * 13, 20 and 27 February - Studio filming for The Ambassadors of Death took place at BBC Television Centre 3. (REF: Doctor Who The Handbook: The Third Doctor)
 * 27 February - The BBC's Audience Research Dept. filed an Audience Research Report on Spearhead from Space Episode 1. The episode rated a Reaction Index of 54, with new Doctor Jon Pertwee having been "accepted without question".

March

 * 6 and 13 March - Studio filming for The Ambassadors of Death took place at BBC Television Centre 3. (REF: Doctor Who The Handbook: The Third Doctor)
 * 20 March - Studio filming for The Ambassadors of Death took place at BBC Television Centre 4. (REF: Doctor Who The Handbook: The Third Doctor)
 * 27 March - Studio filming for The Ambassadors of Death took place at BBC Television Centre 1. (REF: Doctor Who The Handbook: The Third Doctor)
 * 31 March - Location filming for Inferno took place (REF: Doctor Who The Handbook: The Third Doctor)

April

 * 1-3 April - Location filming for Inferno took place (REF: Doctor Who The Handbook: The Third Doctor)
 * 6-8 April - Pre-filming for Inferno took place on Stage 2 of Ealing Studios. (REF: Doctor Who The Handbook: The Third Doctor)
 * 23 and 24 April - Studio filming for Inferno took place at BBC Television Centre 3. (REF: Doctor Who The Handbook: The Third Doctor)

May

 * 6-8 May - Studio filming for Inferno took place at BBC Television Centre 3. (REF: Doctor Who The Handbook: The Third Doctor)
 * 21-22 May - Studio filming for Inferno took place at BBC Television Centre 6. (REF: Doctor Who The Handbook: The Third Doctor)
 * 29 May - Studio filming for Inferno took place at BBC Television Centre 3. (REF: Doctor Who The Handbook: The Third Doctor)

September

 * 18-19 and 21-23 September - Location filming for Terror of the Autons took place. (REF: Doctor Who The Handbook: The Third Doctor)

October

 * 5 October - In the US, the National Educational Television network was rebranded and relaunched as the Public Broadcasting Service (PBS). This loose affiliation of broadcasters introduced countless UK-produced television programs to North American audiences over the next four decades. It became the primary broadcast home of the 1963-89 version of Doctor Who beginning in the late 1970s.
 * 9-10 October - Studio filming for Terror of the Autons took place at BBC Television Centre 8. (REF: Doctor Who The Handbook: The Third Doctor)
 * 12 October - R/T voices for The Mind of Evil was recorded. (REF: Doctor Who The Handbook: The Third Doctor)
 * 23-24 October - Studio filming for Terror of the Autons took place at BBC Television Centre 6. (REF: Doctor Who The Handbook: The Third Doctor)
 * 26-30 October - Location filming for The Mind of Evil took place. (REF: Doctor Who The Handbook: The Third Doctor)
 * 31 October - Location filming for The Mind of Evil was remounted. (REF: Doctor Who The Handbook: The Third Doctor)

November

 * 20-21 November - Studio filming for The Mind of Evil took place at BBC Television Centre 3. (REF: Doctor Who The Handbook: The Third Doctor)

December

 * 4-5 December - Studio filming for The Mind of Evil took place at BBC Television Centre 6. (REF: Doctor Who The Handbook: The Third Doctor)
 * 18-19 December - Studio filming for The Mind of Evil took place at BBC Television Centre 3. (REF: Doctor Who The Handbook: The Third Doctor)