25 October (releases)


 * 1975 - Part one of Pyramids of Mars was first broadcast on BBC1.
 * 1980 - Part one of Full Circle was first broadcast on BBC1.
 * 1986 - Part four of Mindwarp was first broadcast on BBC1.
 * 1989 - Part one of The Curse of Fenric was first broadcast on BBC1.
 * 2010 - Part one of Death of the Doctor was first broadcast on CBBC.
 * 2010 - The Seeds of Doom was released on Region 2 DVD.