Nine weeks into the mission: depression is rampant. The food is boring. The routine is boring. Then, catastrophe! A wiring fault plunges the station into darkness. With Mattocks and Ackroyd out of action, Foster must rely on Bimbo to save her.

• Dick Clement
• Ian La Frenais
• Bill Oddie

• Bruce Boa
• Christopher Godwin
• Carmen du Sautoy