20 September

Behind the scenes

 * 1921 - Visual effects designer Jack Kine was born.
 * 1925 - Producer John Wiles was born.
 * 1955 - Actor David Haig was born.
 * 1975 - Part four of Terror of the Zygons was first broadcast on BBC1.
 * 1980 - Part four of The Leisure Hive was first broadcast on BBC1.
 * 1986 - Part three of The Mysterious Planet was first broadcast on BBC1.
 * 1986 - Writer and script editor Dennis Spooner died.
 * 1989 - Part three of Battlefield was first broadcast on BBC1.
 * 1993 - Actor Salvin Stewart died.
 * 2000 - Director Mary Ridge died.
 * 2009 - Actor Kenneth Seeger died.