2020 (production)

January

 * 7 January - Big Finish's audio anthology Susan's War was recorded at the Moat Studios.
 * 13 January - The Big Finish audio story Subterfuge was recorded.
 * 13 January - The Big Finish audio anthology Thin Time / Madquake was recorded at the Moat Studios.
 * 13 and 23-24 January - The second series of Big Finish's audio series Missy was recorded.
 * 14, 15, 20 and 21 January - Big Finish's audio anthology The Lost Resort and Other Stories was recorded at the Moat Studios.
 * 15 January - Big Finish's Torchwood audio story Tropical Beach Sounds and Other Relaxing Seascapes #4 was recorded at the Soundhouse.
 * 15 January - Big Finish's Gallifrey audio anthology Time War: Volume Four was recorded.
 * 15 January - Big Finish's audio anthology The Lost Resort and Other Stories was recorded at the Moat Studios.
 * 16-17 January - The Big Finish audio story Scorched Earth was recorded at the Moat Studios.
 * 23 January - Big Finish announced the audio box set Susan's War.
 * 27-28 January - The Big Finish audio anthology The Flying Dutchman / Displaced was recorded at the Moat Studios.
 * 27 January - Big Finish's audio adaptation of the unproduced TV story The Doomsday Contract was recorded.
 * 29-30 January - The Big Finish audio story The Lovecraft Invasion was recorded at the Moat Studios.

February

 * 3 February - Big Finish's audio adaptation of the unproduced TV story The Doomsday Contract was recorded.
 * 10-12 February - Big Finish's audio anthology The Year of Martha Jones was recorded at the Moat Studios.
 * 17-20 and 25 February - Big Finish's The War Master audio anthology Hearts of Darkness was recorded at the Moat Studios.
 * 20 February - Big Finish's audio anthology Thin Time / Madquake were recorded at the Moat Studios.
 * 25-27 February - Big Finish's Gallifrey audio anthology Time War: Volume Four was recorded.
 * 26 and 28 February - Big Finish's audio anthology The Eleventh Doctor Chronicles: Volume Two was recorded.

March

 * 2-6 and 9 March - Big Finish's audio anthology The Eighth Doctor: Time War: Volume Four was recorded at the Moat Studios.
 * 10 March - Big Finish's Gallifrey audio anthology Time War: Volume Four was recorded.
 * 10-13 March - Big Finish's The New Adventures of Bernice Summerfield audio anthology Lost in Translation was recorded at the Moat Studios.
 * 17 March - Big Finish Productions suspended recording of upcoming audios due to the.
 * 20 March - As a result of the COVID-19 pandemic and lockdowns hitting the world, Doctor Who Magazine's Emily Cook brought Doctor Who fans together virtually with the launch of Doctor Who: Lockdown, a series of tweet-a-longs of past Doctor Who stories, beginning with the 50th anniversary story The Day of the Doctor.
 * 23 and 30 March - The Big Finish audio story He Kills Me, He Kills Me Not was recorded. This resumed recording of Big Finish's Doctor Who audio output, using remote recording for the first time.
 * 26 March - The Big Finish audio story Out of Time was recorded remotely.
 * 28 March - Fantom Films launched The Time-Space Visualiser virtual conventions.
 * 30 March - The Big Finish audio story Echoes of Extinction was recorded remotely.
 * 31 March - The Big Finish audio stories The Enemy of My Enemy and Mutually Assured Destruction was recorded remotely.

April

 * 1, 3 and 15 April - The Big Finish audio story Mutually Assured Destruction was recorded remotely.
 * 1-3, 14-15 and 22 April - The Big Finish audio story The Enemy of My Enemy was recorded remotely.
 * 1-3, 9-10, 14, 21-22 and 26 April - The Big Finish audio story Echoes of Extinction was recorded remotely.
 * 2 and 15 April - The Big Finish audio story He Kills Me, He Kills Me Not was recorded.
 * 7 April - Big Finish announced the audio box set Wicked Sisters.
 * 11 April - Doctor Who: Lockdown! hosted a watch-a-long of The Doctor's Wife.
 * 30 April - Big Finish's audio adaptation of the unproduced TV story The Doomsday Contract was recorded.

May

 * 1 May - Big Finish's audio adaptation of the unproduced TV story The Doomsday Contract was recorded.
 * 4 May - The Big Finish audio story Out of Time was recorded remotely.
 * 11 May - The Big Finish audio story Expiry Dating was recorded remotely.
 * 11 May - The Big Finish audio anthology Master Thief / Lesser Evils was recorded at LA Productions.
 * 13 May - The Big Finish audio story Precious Annihilation was recorded remotely.
 * 15 May - The Big Finish audio story Ghosts was recorded remotely.
 * 18 May - Big Finish's Gallifrey audio anthology Time War: Volume Four was recorded.
 * 19 May - The Big Finish audio anthology for Shadow of the Daleks 1 was recorded.
 * 22 May - Big Finish announced that Eric Roberts was to reprise the role of the Master for the audio box set Master!.
 * 26 May - Big Finish announced the first story of the Out of Time audio mini-series.
 * 29 May - The second series of The Robots was recorded.

June

 * 2 June - The Big Finish audio anthology for Shadow of the Daleks 1 was recorded.
 * 2 June - Big Finish announced the audio anthology Time Apart.
 * 16 June - Big Finish's Gallifrey audio anthology Time War: Volume Four was recorded.

July

 * July - Big Finish's Bernice Summerfield audio anthology The Christmas Collection was recorded remotely.

August

 * August - Big Finish's audio anthology The Eleventh Doctor Chronicles: Volume Two was recorded.
 * 1 August - Big Finish announced the casting of Eleanor Crooks as the Fourth Doctor's companion Naomi Cross in advance of the online convention Virtual Big Finish Day.

September

 * 10 September - A pick-up scene was filmed for Revolution of the Daleks to test COVID-safety practices for Series 13.
 * 15 and 30 September - The Big Finish audio story Genetics of the Daleks was recorded remotely.
 * 15 September - Big Finish announced the audio series Dalek Universe.

October

 * 6 October - Big Finish announced the Time Lord Victorious story Genetics of the Daleks.
 * 14 October - The BBC announced the charity anthology Adventures in Lockdown.
 * 14 October - Big Finish announced the relaunch of the audio series The War Doctor with The War Doctor Begins, with Jonathon Carley cast as a younger version of the War Doctor.
 * 16 October - Big Finish announced the second series of Lady Christina.
 * 28 October - The BBC announced the Blu-ray steelbook of Series 7.

November

 * 2 November - Filming for Series 13 of Doctor Who began at Roath Lock Studios.
 * 13 November - Filming on location first began on for Series 13 of Doctor Who at Morlais Quarry, Methyr Tydfil in South Wales
 * 16 November - Filming on location for Series 13 continued in Morlais Quarry.
 * 16, 18 and 20 November - Big Finish's audio anthology The Lone Centurion: Volume Two was recorded at Audio Sorcery and remotely.
 * 18-20 November - Big Finish's The War Doctor Begins audio anthology Warbringer was recorded remotely.
 * 23 November - The BBC announced the animated recreation of the third episode of The Web of Fear, scheduled for release in 2021.
 * 23 November - The BBC confirmed that John Barrowman was reprising the role of Captain Jack Harkness in the festive special, officially titled Revolution of the Daleks
 * 23 November - The BBC announced the Blu-ray steelbook box set of The 50th Anniversary Collection.
 * 25 November - The BBC announced the Blu-ray box set The Collection: Season 8.
 * 26 November - Filming continued at The Parade in Cardiff, Wales.
 * 29 November - Transmission for Revolution of the Daleks was confirmed for New Year's Day 2021.
 * 30 November - The BBC confirmed that Bradley Walsh and Tosin Cole were to leave in the New Year's special Revolution of the Daleks.

December

 * 7 December - Filming for Series 13 went on to the streets of Cardiff, Wales.
 * 8 December - Filming then continued in Neptune Court on Vanguard Way in Penarth, Cardiff.
 * 17-18 December - Big Finish's UNIT: Nemesis box set Between Two Worlds was recorded.