25 February (releases)


 * 1967 - Episode three of The Moonbase was first broadcast on BBC1.
 * 1978 - Part four of The Invasion of Time was first broadcast on BBC1.
 * 2009 - Comic story The Whispering Gallery was first released by IDW Publishing. This was the first of a series of single-issue stand-alones that IDW would publish throughout the year.