Mike restores a 1968 Beaumont for a charity auction, but scrambles to save the build and the fundraiser when his budget is pulled out from under him; Avery steals a Rust Bros client with a German-made Unimog, putting his friendship with Mike at risk.

Mike converts a 1957 GMC truck to run on alcohol for a truck-obsessed teenage girl; Avery goes the extra mile, finishing the Unimog for its hard-to-please owner.

Mike sells a Willys Jeep to custom car wizard James West, but the price will be determined by the winner of a drag race; the challenge puts pressure on both shops to produce competition-worthy trucks.

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.

A Rust Valley road trip steers Mike into the danger zone after Connor gives him an ultimatum: buy another car and Connor will blow up one from the Field of Dreams.

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.

Rust Valley's auto shops battle it out at the high-impact Hit to Pass drag race. But when one competitor is accused of cheating, the brawl moves from the track to the pit.

Mike and Avery embark on a cross-country road trip, which is interrupted by an unexpected call from home; JF borrows shop space from Mike to restore a 1955 GMC truck and his relationship with his brother.

Mike overhauls a 1955 Belair Wagon in hopes of turning a quick profit, while Avery embarks on an ambitious restoration of a rare 1956 Ford C.O.E. Mike’s betting streak continues.

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.

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 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 restores a 1971 Super Bee, struggles to sell cars, and hunts for a new place to live.

Vandalism strikes the Wildman shop, inspiring Avery to finish building his Manta Coyote kit car; Mike hires a secret labourer to help with his '71 Super Bee, and plans an auction of his car collection.

As the clock ticks towards his auction, Mike races to restore as many cars as he can; at Wildman, Avery struggles to finish the Manta in time for it to be painted, and Connor ties the knot in Rust Valley's biggest event of the year.

Forest fires threaten Rust Valley and after his neighbour losses 350 cars, Mike hoards fuel in case he needs to save his own collection. Cassidy leads the charge on a unique project for charity and James takes on an impossible job.

New painter Neil takes a perfectionist approach to re-painting Connor's '66 Chevelle Malibu. Mike worries that his car collection won't sell for much. Dubs Kustoms scores a new client who wants to recreate a hundred-year-old Essex Boattail Roadster.

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

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

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.

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.

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.

Mike enlists his buddy Dave to help him rid the Field of Dreams of a junk-stuffed school bus. Richard revives the glorious luxury of private rail cars using an old trailer, while Russell leans on an old friend to help him build a truck honoring family members he's lost.

Mike takes on a rare Hertz Shelby Mustang for his friend's brother, but the badly damaged car might be too far-gone; a drag race against another local shop turns into a Chevelle showdown.