13 April (production)


 * 1964 - Pre-filming for The Aztecs began at Ealing Studios. All of Carole Ann Ford's scenes from "The Warriors of Death" and "The Bride of Sacrifice were filmed. This allowed Ford to take a two week holiday and miss the studio recording for those episodes. (TCH 2)
 * 1965 - Pre-filming for The Chase continued at Ealing Studios Stage 3A/B. Filmed that day was the evacuation of the Mary Celeste. (TCH 5)
 * 1988 - Location filming for Remembrance of the Daleks took place. (Doctor Who The Handbook: The Seventh Doctor)
 * 1989 - Location filming for The Curse of Fenric took place. (Doctor Who The Handbook: The Seventh Doctor)
 * 2010 - Recording for Crime of the Century took place at The Moat Studios.
 * 2016 - Recording for Order of the Daleks took place at The Moat Studios.
 * 2017 - Recording for The Night Witches took place at the Moat Studios.
 * 2018 - Recording for Warlock's Cross took place at The Moat Studios.
 * 2021 - The BBC announced the vinyl version of The Ice Warriors.