23 October (production)


 * 1964 - "Flashpoint" was recorded at Riverside Studios 1, bringing Carole Ann Ford's tenure on Doctor Who to a close. (INFO: The Daleks Invasion of Earth)
 * 1999 - Recording for The Marian Conspiracy took place.
 * 2008 - Recording for The Eight Truths and Worldwide Web took place at The Moat Studios.
 * 2009 - Recording for Echoes of Grey took place at The Moat Studios.
 * 2012 - Recording for the second series of Counter-Measures took place at The Moat Studios.