It's off to visit car-racing legend Carroll Shelby, during which OCC discusses design ideas for their tribute to Shelby's long career. But after deciding on their ultimate inspiration — a classic Shelby Mustang — the boys return to their usual antics: Senior takes a Shelby car for a high-speed spin and fights with Junior over the bike's frame, a golf cart is taken for a destructive joyride, and Gus gets locked in Senior's Hummer. Will they get things together and finish the bike before their fast-approaching deadline?