31 January

Behind the scenes

 * 1937 - Actor Davyd Harries was born.
 * 1970 - Episode one of TV: Doctor Who and the Silurians was first broadcast.
 * 1976 - Part one of TV: The Seeds of Doom was first broadcast.
 * 1981 - Part one of TV: The Keeper of Traken was first broadcast.
 * 1992 - Episode one of TV: The Mind Robber was repeated on BBC2.