Danger Mouse 2015 Season 2 Episode 41 - Crouching Hamster, Hidden Wagon Episode Title:Crouching Hamster, Hidden Wagon.Episode Description:When a sudden urge to fly the Mark IV hits, Penfold leads a confused Danger Mouse to a farm, from which he claims to feel an unexplained magnetic pull. An entranced Penfold is met by a shadowy figure - Granny Penfold! Penfold recounts his childhood years on Granny’s farm, where he was trained in the ancient martial art of Farm Fu; a farming-based martial art. Granny needs Penfold’s help to retrieve the sacred Fung Farm Book of Farm Fu, which has fallen into the hands of her enemies, causing farm animals to turn evil and rise up against their owners.