Description
The Doctor, Romana, Adric and K9 encounter the enslaved time-sensitive Tharils, who lead them to a white void occupied only by the ruins of an old building and a spaceship - a dimension that might be the key to escaping E-Space.
Casts:
Tom Baker
Lalla Ward
Matthew Waterhouse
John Leeson
Clifford Rose
Kenneth Cope
David Kincaid
Freddie Earlle