Bart is in a heap of technical trouble - he's stuck in a virtual reality machine!!! Enter the Jurassic era as Dino Bart, and stomp through stone age mayhem. Battle Nelson and the gang in a post apocalyptic Springfield as Doomsday Bart. Deploy your diaper-chute as Baby Bart and hog the spotlight as Pork Factory Pig Bart. Even go for a butt squeaking thrill-ride down the dangerous Mt. Splashmore and more!