After noodling their way through their first Roadblock, Teams are forced to complete a second Roadblock, and the fate of two Teams lies in the hands of confused cabbies.

With the million-dollar prize on the line, Racers come face-to-face with Darth Vader, and Teams drop all pretense of friendliness after a cut in line cuts into another Team's time while an angry confrontation awaits another at the finish line.