21 April

Behind the scenes

 * 1906 - Actress Aimée Delamain was born.
 * 1927 - Actor Gerald Flood was born.
 * 1973 - Episode three of TV: Planet of the Daleks was first broadcast.
 * 1977 - Doctor Who and the Claws of Axos was released in paperback by Target Books.
 * 2002 - Fight arranger, stunt arranger, and stunt performer Terry Walsh died.
 * 2007 - TV: Daleks in Manhattan was first broadcast.
 * 2008 - AUDIO: The Destroyer of Delights began recording.