4 May (releases)


 * 1968 - Episode two of The Wheel in Space was first broadcast on BBC1.
 * 1968 - Part two of TV Comic story The Dyrons was first published.
 * 1974 - Part one of Planet of the Spiders was first broadcast on BBC1.
 * 1974 - Part nine of TV Comic story Is Anyone There? was first published.
 * 1979 - Part six of TV Comic story Size Control was reprinted as a Fourth Doctor story.
 * 2013 - The Crimson Horror was first broadcast on BBC One.