Scrapheap Challenge - Season 4 - Eps 3: Torpedos
This week's challenge is to torpedo the opposition. Each team must build re-usable torpedoes that run just under the surface of the water, like the torpedoes used to attack boats (rather than those used to attack another submarine). The teams then have to try and hit wooden 'battleships' in front of each other's launch platforms, taking it in turn to fire. The platforms are 150 feet apart, and there's a rock in the middle which they have to steer their torpedoes around. They will have to hit each other's battleship three times. In the event of both teams being on target with their first two shots, the third and final shot will be a simultaneous shoot-out.
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