28 February (releases)


 * 1970 - Episode five of Doctor Who and the Silurians was first broadcast on BBC1.
 * 1970 - Part one of TV Comic story The Multi-Mobile was first published.
 * 1976 - Part five of The Seeds of Doom was first broadcast on BBC1.
 * 1976 - Part five of TV Comic story Virus was first published.
 * 1981 - Part one of Logopolis was first broadcast on BBC1.
 * 2008 - Novel Revenge of the Judoon was first published by Quick Reads.
 * 2009 - Big Finish audio story The Destroyer of Delights was first released.
 * 2010 - Big Finish audio stories The Hollows of Time, Survival of the Fittest and Klein's Story were first released.
 * 2011 - Short Trips: Volume 2 was first released by Big Finish Productions.
 * 2013 - Issue two of IDW comic story Prisoners of Time was first released on iTunes.