Scrapheap Challenge - Season 4 - Eps 10: Tunneller
At vast expense, this week we have constructed our very own Wormwood Scraps Prison. The challenge facing the teams is to build tunnel-boring machines (TBMs) to break out and into the Scrapheap final.There are two walls, the second tougher than the first. The teams have to drill right through both, making holes large enough for every member of the team to fit through. The winner is the first team to make it through both tunnels.
About Scrapheap Challenge

Title: Scrapheap Challenge
First Air Date: 1998-04-12
Last Air Date: 2010-06-27
Status: Ended
Rating: 6.1/10 (from 19 votes)
Language: EN
Seasons: 13
Total Episodes: 165
Network: Channel 4
Genres: Reality, Action & Adventure
Production Companies: Unknown
Synopsis
Scrapheap Challenge is an engineering game show produced by RDF Media and broadcast on Channel 4 in the United Kingdom. In the show, teams of contestants had 10 hours in which to build a working machine that could do a specific task, using materials available in a scrapheap. The format was exported to the United States, where it was known as Junkyard Wars. The US show was also produced by RDF Media, and was originally shown on The Learning Channel. Repeats have aired on another Discovery network, the Science Channel.
Cast

Robert Llewellyn

Lisa Rogers

Dick Strawbridge