An increasingly duplicitous Traynor convinces Simon to return through the time barrier against the wishes of Liz’s parents. When Liz follows him, the two friends find themselves mistaken for scientific guinea pigs at a polar research base twenty years in the future where the officious base commander is apparently on the verge of a nervous breakdown. As conditions worsen within the base, Liz discovers that part of the problem is very close to home…

6 episodes / 7 – 12

Written by Bruce Stewart
Designed by Gerry Roberts and Michael Eve (Parts 8-12)
Directed by Peter Jeffries

Individual episode details below