The Challenger's crew has returned to its solar system to discover that a million years has passed on Earth while only 115 years had passed on their starship.

After their devastating news, the four-strong crew face peril from a once-benign force.

Starring Sean Arnold.

James Follett's adventure serial in time and space.

Commander Telson .... Sean Arnold
Sharna .... Amanda Murray
Astra .... Kathryn Hurlbutt
Darv .... Haydn Wood
Angel One .... Sonia Fraser
Angel Two .... Gordon Reid
Sentinel .... Alexander John
George .... John McAndrew

Director: Glyn Dearman

First broadcast on BBC Radio 4 in February 1981. Show less