A NASCAR-inspired chopper is built for the Stewart-Haas racing team. Meanwhile, Mikey heads to California's Death Valley to take part in the JDRF Ride to Cure Diabetes; and Paul Jr. pitches a line of dog toys.
Mikey faces his fears and performs his comedy routine before a live audience, while Paul Jr. chats with Adam Carolla about life after OCC. In the garage, Paul Sr. builds a chopper for OCC's newest client, Gladiator GarageWorks.
The OCC crew works on a hybrid chopper for Schneider Electric, which proves to be one of their most challenging builds ever. Later, Sr. cleans out his garage and offloads some baggage on Jr.'s doorstep.
After more than four months away, Paul Jr. returns to OCC, but it's clear the family divide is as deep as ever. Meanwhile, the crew works on a "wheelchair chopper" for the Christopher and Dana Reeve Foundation.
Mikey exits rehab and is ready to make amends; OCC builds a bike for champion pool player Jeanette Lee, aka the "Black Widow"; Jr. discusses the possibility of designing a brand campaign for an Indy racing team.
Sr. designs a special bike in celebration of OCC's 10th anniversary. Later he stops by some late-night talk shows to promote his book, "Orange County Choppers: The Tale of the Teutuls." Meanwhile, Jr. and his girlfriend work on opening a women's boutique.