Thunderbirds (1965)

S1E9 End of the Road

The safety of International Rescue is put at risk when Tin-Tin's dear friend, Eddie Houseman, who had just been to Tracy Island, resorts to desperate measures to secure a crucial contract for his road construction firm. He decides to detonate explosives to blast through a mountainside in the jungle, but his reckless act leads to disaster, leaving him stranded on a cliff in a truck laden with more explosives.