11 December (production)


 * 1964 - "Desperate Measures" was recorded at Riverside Studios One. (INFO: "Desperate Measures")
 * 2011 - The BBC announced that two missing episodes had been discovered: "Air Lock" and episode two of The Underwater Menace.
 * 2012 - Recording for Eldrad Must Die! took place at The Moat Studios.
 * 2013 - Recording for Tomb Ship took place at The Moat Studios.