23 September (releases)


 * 1967 - Episode four of The Tomb of the Cybermen was first broadcast on BBC1.
 * 1967 - Part four of TV Comic story Egyptian Escapade was first published.
 * 1972 - Part six of The Ugrakks was first published in TV Action & Countdown.
 * 1978 - Part four of The Ribos Operation was first broadcast on BBC1.
 * 2010 - Doctor Who Adventures comic story The Steel Web was first published.