4 May

Behind the scenes

 * 1906 - Actor Esmond Knight was born.
 * 1912 - Actor Peter Bathurst was born.
 * 1923 - Actor Godfrey Quigley was born.
 * 1968 - Episode two of The Wheel in Space was first broadcast on BBC1.
 * 1974 - Part one of Planet of the Spiders was first broadcast on BBC1.
 * 2013 - The Crimson Horror was first broadcast on BBC One.