As Richard gets ready to sell a million dollars worth of cars at the Barret-Jackson auction, problems arise with his '55 Chevy threatening to keep him from taking it to the auction.
Banking on a speedy build because of all the aftermarket parts available for G-body cars, Aaron bets Richard he can finish a 1980 El Camino in three weeks instead of four.
After Aaron bets Richard that the Monkeys would be able to finish building a 1980 El Camino one week ahead of schedule, last-minute problems threaten to push them past their deadline.
Aaron and the crew take on a VW Beetle build. Richard meets Phipps to try make a cheap deal on a truck. Dennis and Richard head out to the desert to buy some rare cars to restore.
With Aaron off on vacation, Richard tasks the Monkeys with giving the Gas Monkey treatment to the first car he ever owned back in high school, a vomit green '74 Mercury Comet.
With race day against the Street Outlaws fast approaching, Aaron struggles to get his BMW ready on his own while Richard faces potential disaster when the Challenger crashes on its final test run.