Thunderbirds FHD 1966 S01E23

Episode: Attach of the Alligators. FHD 1080p. Dr Orchard has developed a food additive called theramine. It has the ability to substantially increase the size of animals. A sample is accidentally spilled into the drain system that feeds into the local swamp. The effects are devastating on the local wildlife and the isolated laboratory comes under attack by giant alligators. This triggers International rescue to try and save those trapped inside and contain the spread of a biological disaster.