4 April (releases)


 * 1964 - "Assassin at Peking" was first broadcast on BBC tv.
 * 1970 - Episode three of The Ambassadors of Death was first broadcast on BBC1.
 * 1970 - Part one of TV Comic story Insect was first published.
 * 2007 - Doctor Who: Battles in Time comic story Lonely Planet was first published.
 * 2008 - Exit Wounds was first broadcast on BBC Two, ending Torchwood's second series.
 * 2010 - Liberation was first broadcast on Disney XD, six months after its original, planned broadcast, 9 October.
 * 2010 - The Eleventh Hour was rebroadcast on BBC Three.
 * 2013 - E-book Summer Falls was first published by BBC Digital.