Thunderbirds Are Go!: Season 1, Episode 10 - ProjectFreeTV

1 - 10: Tunnels of Time

Lady Penelope, Parker and Gordon visit the Amazon desert, where an archaeologist shows them round an ancient temple. When they all become trapped inside, the academic refuses to let them call for help, fearing for his reputation - so the trio of heroes must put their wits to the task of finding an escape route.