Thunderbirds: Attack of the Alligators!

An experiment to increase the world's food supply goes horribly wrong when a would-be thief spills a new growth hormone into a South American swamp, spawning a horde of gigantic alligators.

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