12 January

History of Doctor Who

 * 1974 - Invasion of the Dinosaurs Episode 1 is first broadcast.
 * 1980 - The Horns of Nimon Episode 4 is first broadcast.
 * 1982 - Castrovalva Episode 4 is first broadcast.
 * 1983 - Arc of Infinity Episode 4 is first broadcast.
 * 1984 - Warriors of the Deep Episode 4 is first broadcast.
 * 1985 - Attack of the Cybermen Episode 4 is first broadcast.

11th January January

13th January