Richard sells the '79 Camaro to prepare for Barrett Jackson, the biggest auction of the year. Aaron's team builds a '68 Impala while Richard and Dennis buy a '64 Corvette Stingray. Richard pulls the '66 VW bus, '69 F100 truck and '76 C10 to auction.

Richard and Aaron try and transform a vintage '71 Dodge Scat Pack Challenger.

Aaron and his team attempt to get the '71 Challenger build to accept the 2015 Challenger technology. In the process, they create a one of a kind resto/mod. Richard buys a busted up '34 Plymouth and the crew takes the '57 Shorty bus for a test drive.

It's showtime at Barrett Jackson with wheeling-and-dealing throughout the week showcasing the excitement. Richard's Stingray arrives just in time for the start of the auction. Meanwhile, Aaron attends NHRA in Vegas to see how team Gas Monkey performs.

Richard buys a '69 Malibu only to realize there are massive issues. Aaron crashes into a '68 Coronet on the GMG lot. Richard travels to St. Louis to buy a tricked out '79 Camaro. Motley Crue performs at Gas Monkey Live grand opening.

Richard and Aaron take on a different build when they decide to transform a $300 find on the side of the road into a '76 Exploration Van.The Dale Earnhardt '56 Nomad makes an appearance back at the shop, as KC and his team are tasked with fixing the body after it hit a deer.