Thunderbirds: Brink of Disaster

Jeff, Brains and Tin-Tin find themselves trapped onboard a crooked entrepreneur's automated cross-country monorail that is hurtling towards a collapsed bridge without means of stopping.

• Director: David Lane
• Cast: Peter Dyneley, Shane Rimmer, David Holliday, Matt Zimmerman, David Graham, Sylvia Anderson, Christine Finn, Ray Barrett