In The Garage

The guys at OCC try to build the first bike powered by natural gas; Paul Jr. is trying to get his new company off the ground; Mikey questions his role at Orange County Choppers and his relationship with his father.

PJD continues with the Carolina Carports bike; Senior sees a therapist; Junior unveils his bike.

Senior and Junior are invited to Jason's wedding; OCC unveils the Hair Club bike in front of a crowd.

Lee returns and discusses Senior's relationships with his sons.

Senior and Junior reveal their favorite bikes; PJD's first client build; a favorite moment between father and son.

Junior is asked to build a bike commemorating the restoration of Ground Zero; rumors abound about Rick's assumed discontentment.

Jesse James doesn't hesitate to send vulgar cakes to OCC and PJD when a three-way build-off is announced; Junior shows the biggest build he's ever done at Ground Zero in New York City; OCC works on two bikes.

A recap of some of the best pranks include an air-gun at OCC headquarters, scooter jousting and helicopter drops.

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

The crew builds one of their fastest bikes ever, but a problem threatens the schedule; Junior and Senior work on a badly beaten Yankee bike.

Senior confronts Junior about his harsh words; Senior closes a huge deal with an exotic car dealership; Junior's simple mistake leads to destruction in the shop.

The OCC crew members are pushed to their limit when they build a pair of contrasting bikes for a client; Junior designs an ethanol-fueled motorcycle; 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.