Thunderbirds - Season 1 Episode 9
End of the Road

International Rescues security is jeopardised when Tin-Tins close friend Eddie Houseman, who recently visited Tracy Island, takes drastic action to save his road-construction companys threatened contract by planting explosives to tear open a jungle mountainside, and the ensuing chaos leaves him trapped on a cliffside in a truck with another case of explosives on board.