The ice cream truck plan has failed, so Michelle suggests holding a gypsy fair in the town centre. Herr Flick has the painting in General von Klinkerhoffen's office replaced with a forgery. The General discovers the forgery and has Colonel von Strohm, Lieutenant Gruber and Captain Bertorelli arrested. René poses as a gypsy fortuneteller in the tent over the sewer grating. A séance is held during which the airmen finally break out of the sewer. Three more airmen emerge from the sewer - apparently they've been lost down there for weeks. (thetvdb.com)