Mike struggles to finish the restoration of a legendary muscle car, and trading gets chaotic when he goes up against The Great White Shark; one of Rust Valley's own heads to The Detroit Autorama with a 1964 Acadian.

Mike struggles to finish a problematic 1966 Pontiac Parisienne, while stumbling into direct competition with a Rust Valley neighbour; Avery crashes into his new role as shop manager.

The day of Mike's auction arrives, and with it the biggest financial gamble of his life. Mike grapples with regret and chaos threatens to derail the entire event.

Avery struggles to save his business while Mike is determined to end the year on a high note. However, old secrets and conflicts with Connor get in his way.

Mike refuses to sell an old clunker to a pair of serious buyers and instead takes on the challenging restoration of a 1967 Mercury Cougar with a tragic past; Avery goes head to head with Mike at the local swap meet.

Rust Valley rivals face off in the Shop Truck Challenge; Mike struggles to restore a 1971 Chevy Blazer for a wedding day surprise; Avery's plan to repurpose a military truck for music festivals hits a sour note.

Mike kicks off his fifth year in business with the restoration of a rare 1971 International Scout II, before teaming up with his brothers to find a new home for their late father's 1964 Mercury motor.

Chaos arrives in the final days of Mike's auction preparation, throwing the event into jeopardy. Avery scores his first client of the year.

Connor enlists the Rust Bros on a personal build, while Avery goes over budget on his dream truck. James tackles a project from his past.

Mike and Avery recover a valuable abandoned Volkswagen, and threats from the authorities force Mike to make a surprising decision about the future of his Field of Dreams.

Avery gambles on finishing a build from his past and the authorities crack down on his vehicle-filled property, while Mike finishes his '55 LaFrance Fire Truck.

Mike struggles to pick just ten cars to keep out of his massive collection. Shafin convinces Avery to clean up his yard.

With his car auction fast approaching, Mike strategizes how to draw a bigger crowd. James West takes on his biggest, most challenging build yet - turning a 1955 Cadillac into a 70s-inspired Street Freak.

Mike and Avery try to get an auctioneer to help them downsize their collections, but Avery scares him off. Frame issues leave Mike's restoration of a Diamond T truck dead in the water.

Old rivalries bring new alliances as Rust Valley's competing shops get ready to face off at the annual Hit-to-Pass race; the cost of Avery's Deuce-and-a-Half music truck spirals out of control.

Mike and the crew take on a World War II-era Power Wagon; a 1968 Chevy Chevelle becomes a nightmare job.

Mike restores a 1966 Mustang in the hope of finding a buyer with deep pockets; Connor helps his dad sell a 1968 Plymouth Satellite.

JF begins restoring a 1928 Model A Roadster, while Avery takes on a 1941 military vehicle and these antique machines are full of challenges; Mike chases redemption at the races.

The crew at a new restoration shop takes on their first jobs restoring vintage cars, including a 1966 Lincoln Ragtop convertible and a 1970 Dodge Dart Swinger.

Mike's brother entrusts him to restore his 1964 Buick Riviera dream car; Mike restores a 1966 Beaumont Sport Deluxe; Mike hires a 17-year-old apprentice who's failed her driver's test and needs her licence to do the job.

Mike restores a 1938 International Harvester; the shop holds a swap meet; wedding bells ring for Greg.

Mike is burning the candle at both ends, working at remote locations for his rock scaling business, while trying to manage the shop's restoration of a 1969 Road Runner convertible from afar.

With winter looming and the restoration season ending, Connor goes behind Mike’s back to restore a 1967 Chevy II, while Mike puts an over-the-top engine in a 1964 Ford F100 truck.

Mike restores a 1941 Ford Super Deluxe and a 1964 Ford Fairlane 500, as a natural disaster threatens his shop.