American Chopper

Ten years after the demise of their partnership, Paul Teutul Sr. and 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.

OCC 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. The past resurfaces as Father and son restore a bike together.

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

The OCC crew pushes the limit as they build a pair of contrasting bikes for a client. Junior designs an ethanol-fueled bike, but struggles during assembly. Senior confronts Junior about design changes to the Yankees bike.

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 relies on Mikey to get the job done. Junior designs an awe-inspiring trike for a repeat client, and father and son hit the home stretch on the Yankee build.

Senior starts 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. The OCC guys build a military-themed bike to benefit families of fallen soldiers, and Senior and Junior complete assembly of the Yankees bike.