26 April (production)


 * 1967 - Pre-filming for The Evil of the Daleks began on Stage 3A/B at Ealing Studios. (TCH 10)
 * 1968 - Episode four of The Wheel in Space was recorded at BBC Television Centre Studio 3. (TCH 12)
 * 1968 - Model filming for The Dominators took place at BBC Television Centre Puppet Theatre. (TCH 12)
 * 1971 - Malcolm Hulke delivered the storyline for The Sea Devils. (INFO: The Sea Devils)
 * 2009 - Recording for the Iris Wildthyme story Iris Wildthyme and the Claws of Santa took place at The Moat Studios.
 * 2010 - Recording for Project: Destiny took place at The Moat Studios.
 * 2017 - Recording for Only the Good took place at The Moat Studios.
 * 2020 - Recording for Echoes of Extinction took place remotely.