Thunderbirds Are Go Episode 10 Tunnels of Time Episode Title:Tunnels of Time.Episode Description:A few months after International Rescue uncover an ancient temple in South America, Lady Penelope, as a representative of World Heritage, visits it along with Parker, Gordon, and Professor Harold, an archaeologist of a dubious reputation whom Penelope suspects of stealing artefacts. On entering the temple, everyone become trapped inside except for Harold, who manages to escape but refuses to call for help, not wishing the temple to be destroyed. Suspecting something is wrong, Scott and Virgil head to the scene to provide assistance, as Gordon, Penelope and Parker attempt to escape from the temple's many traps.