Danger Mouse Season 6 Episode 6 The Spy Who Stayed in With a Cold Episode Title:The Spy Who Stayed in With a Cold.Episode Description:While Penfold is home with a cold, Danger Mouse gets a mission to deal with the Mongol hordes that have recently acquired motorbikes. In Northern Finland, he meets up with Agent 57, who also has a cold and changes form whenever he sneezes, thanks to messing around with a molecular fragmenter device. Together, they manage to fool Baron Greenback and Stiletto, and then stop the Mongols. Title reference: The Spy Who Came in from the Cold