18 October (releases)


 * 1975 - Part four of Planet of Evil was first broadcast on BBC1.
 * 1980 - Part four of Meglos was first broadcast on BBC1.
 * 1986 - Part seven of Mindwarp was first broadcast on BBC1.
 * 1989 - Episode three of Ghost Light was first broadcast on BBC1.
 * 2006 - Death Race Five Billion was first published in DWBIT 3.
 * 2010 - Part one of The Vault of Secrets was first broadcast on CBBC.