
Diesel Brothers
Chavis gets invited to bring his custom race truck to the Call Out Challenge truck competition.

Chavis gets invited to bring his custom race truck to the Call Out Challenge truck competition.

Junior asks his dad to build one last bike together in the old Orange County Choppers shop.

Junior attempts his first dually trike; the Teutuls cruise through Senior's old stomping grounds.

Junior designs a monster trike and takes a financial gamble; Josh builds a bike for the local SPCA.

Senior struggles to deliver a bike on time; Junior assembles the Martin Guitar reverse trike.

Senior takes on a build for a Vietnam memorial; Junior is hired to design a massive reverse trike.

OCC builds a paintball bike; Junior designs a farm-inspired bike; Junior celebrates his birthday.

Senior designs a throwback brand of motorcycles; Junior builds a bike using aluminum parts.

Junior designs a bike inspired by a futuristic big rig; the OCC team builds a military-style bike.

Senior and Junior begin restoring a 1951 Buick; Junior builds a bike for the MLB Network.

Junior designs a motorcycle for Clay Walker; Senior builds a bike to benefit military families.

Senior starts a Spartan Race-inspired build; Junior designs a monster trike.

Senior must rely on Mikey to get a job done; Junior designs an awe-inspiring trike for a client.

OCC builds a bike inspired by a 1965 GTO, but this job may cause Senior to miss the deadline.

The OCC crew is pushed to the limit while building a pair of contrasting bikes for a client.

Senior confronts Junior about his harsh words; Senior closes a deal with an exotic car dealership.

The crew builds one of their fastest bikes ever, but a problem threatens the schedule.

Motorcycle builders Paul Sr. and his son, Paul Jr., forge ahead with their own shops.

Senior, Junior and Mikey donate the TEUTUL bike; defining moments of American Chopper.

The crews try to finish the bikes; Cody goes after OCC with a prank; Sr. and Jr. find common ground.