Scrapheap Challenge events. Examples of challenges included making a jet car, a bridging machine, a car-crusher, and a machine to fling a British Leyland Mini as far as possible. Assistant producer Eve Kay had the idea for the show after watching a scene in the movie "Apollo 13", where NASA engineers had only a short period of time to construct a carbon dioxide filter out of parts available on the space capsule. The show also draws its inspiration from the 1980s TV series "The Great Egg Race". The UK show was originally presented by Robert Llewellyn, joined in series 2-4 by producer
Challenge Accepted of our show we're doing a finale that is not set in May. We jump ahead to September, basically to the beginning of next season." This episode was shot with extra security because of the two major revelations at the end: Lily being pregnant and Barney being the groom at the future wedding. Donna Bowman of "The A.V. Club" gave the episode a B. IGN gave the episode a rating of 7.0 out of 10.0. Challenge Accepted "Challenge Accepted" is the 24th and final episode of the sixth season of the CBS sitcom "How I Met Your Mother" and the