A crew of car lovers at a garage in the Rocky Mountains transforms abandoned heaps of rust into collectible classics.
Mike and Avery recover a valuable abandoned Volkswagen, while threats from the authorities force Mike to make a surprising decision. (S4, ep 1)
Hot Digitty Dog: Avery gambles on completing a build from his past as authorities crack down on his vehicle-filled property, while Mike finishes his '55 LaFrance fire truck. (S4, ep 2)
Mike restores a 1971 Super Bee, struggles to sell cars and hunts for a new place to live. (S4, ep 3)
Vandalism strikes the Wildman shop, inspiring Avery to finish building his Manta Coyote car kit. Meanwhile, Mike plans an auction for his car collection. (S4, ep 4)
As the clock ticks towards his auction, Mike races to restore as many cars as he can, while Avery struggles to finish the Manta in time at Wildman. (S4, ep 5)
Forest fires threaten Rust Valley and after his neighbour loses 350 cars, Mike hoards fuel in a bid to save his own collection. (S4, ep 6)
New painter Neil takes a perfectionist approach to re-painting Connor's Chevelle Malibu, while Dubs Kustoms scores a new client with an impossible dream. (S4, ep 7)
Mike struggles to pick just 10 cars from his collection, while Shafin convinces Avery to clean up his yard with the help of a monster truck. (S4, ep 8)
Mike builds a 1964 Parisienne for a big family, while Avery scores his first client of the year and puts together a 1975 Ford Bronco. (S4, ep 9)
A major setback during a restoration blows Mike's budget, while the biggest financial gamble of his life arrives and chaos threatens to ensue. (S4, ep 10)