16 April (releases)


 * 1966 - "The Dancing Floor" was first broadcast on BBC1.
 * 1966 - Part one of TV Comic story The Trodos Tyranny was first published.
 * 1977 - Part five of TV Comic story The Fire Feeders was first published.
 * 1992 - Cat's Cradle: Warhead was first published by Virgin Books.
 * 2005 - Aliens of London was first broadcast on BBC One. Later, I Get a Side-Kick Out of You aired on BBC Three.
 * 2008 - Issue three of IDW comic story Agent Provocateur was first published.
 * 2008 - Doctor Who: Battles in Time comic story The Creative Spark was first published.
 * 2009 - Judgement of the Judoon, The Slitheen Excursion and Prisoner of the Daleks were first published by BBC Books.
 * 2009 - Doctor Who Adventures comic story Cyclops was first published.