In The Garage

An old-time motorhead tasks Chad with building an open-wheel race car; on a budget, Chad decides to start with an antique engine and build the car around it, but getting the engine running is a tricky task that may require a miracle to achieve.

Chad's final build of the season is the centerpiece of his client's elegant New Year's Eve celebration; the hard deadline and Chad's decision to put the engine in the back has the team scrambling.

Last-minute decisions and the pressures of finishing on time are too much for Colton, leaving the short-staffed team scrambling for a victory.

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.

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.

Staffing shortages around the shop have the crew scrambling.

Manpower issues plague the shop, and company demands push JQ to the limit; the team takes on a new project.

The guys head to Howe Caverns in New York state to face their fears and explore caves; Paul Jr. continues to work as a consultant at OCC while setting his sights on his own projects outside the shop.

OCC expands its business by partnering with Ducati to put the guys' unique spin on one of the Italian maker's bikes; preparation for a four-day celebration of OCC's 10th anniversary.

After Jon Gosselin of TLC's "Jon & Kate Plus 8" commissions OCC to build him a bike, the Teutuls travel to the Gosselin home for research.

OCC is hired to build a bike for the Abu Dhabi police department; Sr. travels to the Middle East in an attempt to expand OCC's international reach.

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.