American Chopper

Ten years after the demise of their partnership, custom motorcycle builders Paul Sr. & his son Paul Jr., are forging ahead with their own shops and separate lives. Senior struggles to meet a deadline, while Junior finds a chance to rebuild a bike.

The OCC crew builds one of their fastest bikes ever but a problem with the supercharger threatens the schedule. Junior races to complete a complicated bike for a client. Father and son find it hard to let go of the past while restoring a bike together.

Senior confronts Junior about the harsh words Junior wrote in his book. Senior closes a game-changing deal with an exotic car dealership to sell OCC bikes directly to the public and Junior's simple mistake leads to destruction in the shop.

The OCC crew builds a pair of contrasting bikes for a client. Junior designs an ethanol-fueled motorcycle and struggles during assembly. Junior makes a change to the Yankees bike design and Senior confronts him.

OCC builds a bike inspired by a 1965 GTO, but this massive job may cause Senior to miss the first deadline of his career. When Junior designs a bike for a corporate client, changes in fabrication throw a wrench in the schedule.

When the OCC crew builds an old school chopper for a longtime fan, Senior must rely on Mikey to get the job done. Junior designs an awe-inspiringtrikefor a repeat client, and father and son come into the home stretch on the Yankee build.

Senior takes a risk by starting a Spartan Race-inspired build before meeting the client, then has to change course to accommodate his requests. Junior designs a monster trike, but trouble with fabrication of the wheels may mean missing the unveil.

Junior designs a western-inspired motorcycle for country music star Clay Walker. Senior and the OCC guys build a military-themed bike to be auctioned off to benefit families of fallen soldiers. Senior and Junior complete assembly of the Yankees bike.