Factual programme. Ed and Oucho are travelling all over the country making inventions. They are trying to build the 'Treat Run', a treadmill that powers music, a water spray, a chocolate drawer and a confetti bomb. Things appear to be going well, until Ed and Oucho bring out their 'gear-testing custard machine'. With the Big Big Cheese on their backs, will their general uselessness and lack of science know-how stop them from building the jacket in time?