Eight finalists are going for the most coveted trophy in all of hot-rodding, The Riddler. In this episode, we'll follow four cars, being built and what it took to attain perfection. Once we're at this celebrity-packed auto show, we'll get to know the judges and their criteria, seeing that at this level, it might just take a dentists mirror to determine the difference between "victory" and "maybe-next-year.
