Danny Koker uncovers five of the craziest custom builds imaginable. Includes, the Shark Boat Chevy--a crazy mash-up of a speed boat and a pickup truck! In Florida the Extra Terrestrial Vehicle is a totally bespoke build that looks like a supercar merged with a UFO. Meanwhile, in Arizona, John and his buddies have merged two cars from very different eras--the body of a '49 Ford sitting on top of the engine and running gear from a modern BMW.