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)

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.