2023 (production)

January

 * 26 January - Big Finish announced Strange Chemistry, the third audio anthology of The Eighth of March audio series. The first story was confirmed as a Fourth Doctor and Leela story entitled A Ghost of Alchemy.
 * 30 January - Big Finish announced the return of Michelle Gomez and Caitlin Blackwood as Missy and the younger Amelia Pond respectively for Fairies at the Bottom of the Garden, the second story of the audio anthology Strange Chemistry.
 * 30 January - The Big Finish audio story Prisoners of London was recorded at Audio Sorcery.

February

 * 1 and 3 February - The Big Finish audio story Prisoners of London was recorded at Audio Sorcery.
 * 10 February - Big Finish's UNIT: Nemesis audio anthology Masters of Time was recorded at the Soundhouse.

March

 * 7, 8 and 10 March - The Big Finish audio anthology Far from Home was recorded at the Soundhouse.
 * 13-15 March - The Big Finish audio story Intelligence for War was recorded at Audio Sorcery.
 * 27-29 March - Big Finish's audio anthology Audacity was recorded at the Soundhouse.
 * 29 March - Big Finish's The Diary of River Song audio anthology The Orphan Quartet was recorded at the Soundhouse.

April

 * 3-5 and 11 April - Big Finish's audio anthology Audacity was recorded at the Soundhouse.
 * 3-5 April - The Big Finish audio story The Box of Terrors was recorded at Ladbroke Audio.
 * 11-14 April - Big Finish's The Diary of River Song audio anthology The Orphan Quartet was recorded at the Soundhouse.

May

 * 2-4 May - Big Finish's audio anthology James Robert McCrimmon was recorded at the Soundhouse.
 * 10 May - Big Finish's Torchwood audio story Odyssey was recorded at the Soundhouse.

June

 * 12-14 and 16 June - Big Finish's Doom's Day audio anthology Dying Hours was recorded at the Soundhouse.

July

 * 4 July - Big Finish's Doom's Day audio anthology Dying Hours was recorded at the Soundhouse.

August
to be added

September

 * 27 September - Doctor Who: Unleashed was announced.

October

 * 23 October - Series 15 started filming.

November

 * 4 November - The #DoctorDonnathon event took place at the Genesis Chamber.
 * 22 November - Big Finish announced the Master! audio anthology Planet Doom.

December
to be added