Last updated 02 January 2017
Broadcast: Tuesday 12th April 2016
11:00pm-11:30pm EDT (03:00 GMT) « »
Featuring: Peter Davison, Janet Fielding, Mark Strickson, Keith Barron, Valentine Dyall, Cyril Luckham
The TARDIS's power is drained away just as the Doctor receives a dire warning from the White Guardian. He soon finds himself drawn into a strange race through the stars...
Synopsis Source: Doctor Who Guide
Broadcast Source: Retro TV