17 February (releases)


 * 1968 - Episode three of The Web of Fear was first broadcast on BBC1.
 * 1968 - Part three of the TV Comic story Cyber-Mole was first published.
 * 1973 - Episode four of Carnival of Monsters was first broadcast on BBC1.
 * 1977 - The novelisation of The Seeds of Doom was first published by Target Books.
 * 1979 - Part five of The Armageddon Factor was first broadcast on BBC1.
 * 1994 - No Future was first published by Virgin Books.
 * 1996 - Episode five of The Ghosts of N-Space was first broadcast on BBC Radio.
 * 2003 - The Seeds of Death was first released on Region 2 DVD.
 * 2003 - The Mutants was released on VHS.
 * 2005 - The anthology A Life Worth Living was first published by Big Finish.
 * 2011 - The Doctor Who Adventures comic story If You Go Down to the Woods Today was first published.