The 542nd episode of Doctor Who airs on BBC1. This story brings the E-space trilogy to a close and is written by science fiction novelist Stephen Gallagher. Clifford Rose and Kenneth Cope guest star. 
The 542nd episode of Doctor Who airs on BBC1. This story brings the E-space trilogy to a close and is written by science fiction novelist Stephen Gallagher. Clifford Rose and Kenneth Cope guest star.