27 November (releases)


 * 1963 - "An Unearthly Child," the very first Doctor Who story, was rebroadcast on BBC tv before the second episode to gain more viewers. This worked, with ratings of 6 million compared to the original broadcast's 4.4 million.
 * 1965 - "Devil's Planet" was first broadcast on BBC1.
 * 1993 - Part two of Dimensions in Time was first broadcast on BBC1.