American Chopper: Senior vs. Junior Season 4
S04 E01Sep 4, 2012
The Build is On Sep 4, 2012 Senior proposes that he and Junior combine forces to build a bike for charity, but Junior is unsure how to respond. But when Rick's wedding brings the two together, Junior gets the reassurance he needs to make a decision once and for all.
S04 E02Sep 11, 2012
Back in Time Sep 11, 2012 Senior and Junior brainstorm bike styles for their upcoming collaboration and decide to recreate the first bike they ever built together. Then PJD unveils the Geico Armed Forces tribute bike and OCC reveals the Cafe bike at the opening of the OCC Cafe.
S04 E03Sep 18, 2012
Common Ground Sep 18, 2012 Senior and Junior get to work on their bike build, which reaps surprising results as the two bond over old memories. Meanwhile, PJD starts a trike for Loopster while OCC builds a bike to benefit Senior's favorite charity.
S04 E04Sep 25, 2012
Now or Never Sep 25, 2012 Senior and Junior bond during their bike build; OCC begins working on a bike for Wildgame Innovations; PJD reveals a five-wheeled trike for Loopster.
S04 E05Oct 2, 2012
Uncharted Territory Oct 2, 2012 PJD begins a build for QUBX while OCC unveils a bike for Wildgame Innovations; father and son continue their collaboration.
S04 E06Oct 9, 2012
Junior's Surprise Oct 9, 2012 OCC begins a build for the Sturgis Motorcycle Rally; PJD unveils a bike that was built for a technology company; and Senior and Junior complete their bike build.
S04 E07Oct 16, 2012
New Venture Oct 16, 2012 Senior receives a stern, on-air lecture from a late night celebrity, Junior launches a new business venture and Senior visits PJD for the first time ever. Then at Sturgis, Senior rides side by side with a bike industry icon.
S04 E08Oct 23, 2012
Full Circle Oct 23, 2012 Junior and Senior discuss potential future business collaborations; PJD finishes a bike for RoadLoK, and OCC begins a super-bike build.
S04 E09Oct 30, 2012
A New Company Oct 30, 2012 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.
S04 E10Nov 6, 2012
Junior Frustration Nov 6, 2012 Senior makes business decisions without Junior's approval; PJD and OCC unveil projects.
S04 E11Nov 13, 2012
Old Wounds Nov 13, 2012 Junior and Senior disagree on the production bike design process.
S04 E12Nov 20, 2012
Troubled Waters Nov 20, 2012 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.
S04 E13Nov 27, 2012
Impasse Nov 27, 2012 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.
S04 E14Dec 4, 2012
The Last Build Dec 4, 2012 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.
S04 E15Dec 18, 2012
The End Dec 18, 2012 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.
S04 E16Dec 17, 2012
Family Reunion Dec 17, 2012 This is the final episode of the series. Mike Teutal appears in this episode and reunites with his father.