In Arizona, Mike relives the thrill of speedway history thanks to a motorbike-loving family of adrenaline junkies and their garage full of one-of-a-kind racing mementos. Down the road in Georgia, Robbie and Jersey shake hands with visionary 'body man' Bill and scour a bad-to-the-bone collection that includes a vintage diner, a coin-op Porky ride, and a hand-built wooden Jeep.