Senior and Junior start brainstorming the production bike, but the road is rocky from the start. First, the two bump heads when discussing design workflow. Then, when Junior leaves town, Senior hijacks control of the project.
With the Teutul’s new company seemingly at a standstill, Senior takes steps to initiate progress, sans Junior’s approval. Mikey provides much needed help to his busy brother, and PJD and OCC both stage unprecedented unveils.
Senior throws down the gauntlet for a build-off rematch. The stakes are raised when a new player is added to the mix. Back at OCC, tensions rise around the lift when Jr. and Sr. disagree on the production bike design process.
When hurricane Sandy hits, the PJD crew rushes off to rescue the 9/11 Memorial bike. Progress on the production bike stalls out when Sr. and Jr. disagree on a plan of action. Sr. and Vinnie finally face off about their past differences after five years.
PJD’s 911 Memorial Bike is in more hot water than they thought. The pranks leading up to Chopper Live rev up and Sr. and Jr. hit a snag when the production bike discussions open old wounds.
In the series finale, the crews are under pressure to finish the 911, GAF and Venetian bikes. Cody goes after OCC with a revengeful prank as Chopper Live draws near. Sr and Jr find common ground in their relationship but are at odds over the new company.
Senior, Junior and Mikey make a lasting impression by donating the TEUTUL Bike. Senior pulls one last prank and the threesome takes a raucous ride through the most dramatic and defining moments of American Chopper.