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.