"American Chopper" is back ... sort of. After that popular motorcycle-building reality series crashed after six seasons amidst a Teutul family feud, Paul Sr. and son Paul Jr. return as competitors. Senior and his staff continue their work at Orange County Choppers, while Junior launches Paul Jr. Designs across the street from OCC's original site. Not only that, but Paulie twists the knife even more by hiring former OCC employees, including his brother Mikey, Vinnie DiMartino, Robert "Nub" Colard and Joe Puliafico. With the battle lines drawn, who will survive by designing and building the most innovative choppers?
Senior sees a therapist, but his sons don't think he's making enough of an effort. Meanwhile, work continues on the Carolina Carports build at PJD; and Junior unveils his bike in North Carolina to a crowd of 400,000 people.
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.
Tensions are high at PJD as Odie back talks Junior. Junior fires Odie who then turns to Senior for counsel, and hopefully, a job. PJD pulls off a double-unveil for Universal Property Insurance while OCC unveils a bike to an enthusiastic crowd at Bic.
A bike for St. Jude Hospital is unveiled; foreclosure rumors about OCC spread; an employee may lose his job at PJD.
The OCC crew continues building the Blackhawks bike while Junior meets with representatives from Carolina Carports who want PJD to build a bike for their company. Later, Senior makes an important decision agreeing to meet with a therapist for Mikey.
Lee resurfaces, and talks to Senior about his relationships with his sons; Senior files a second lawsuit against PJD; OCC unveils a bike in New York City while PJD unleashes a top-secret bike in Florida.
PJD works on a build for Gears of War 3, while the OCC crew builds a bike for Feather Free Zone. Meanwhile, with the OCC headquarters in foreclosure, Senior considers building a new shop at the front of his property or moving to the old OCC.
OCC and PJD arrive at Sturgis to face off for the first time to see who will have the better bike. Junior wonders whether Senior will show his support by attending one of his reveals, but Senior has no interest in seeing either of his son's first bikes.
Paul Jr and team are hard at work trying to get the new shop in order. Senior is in total disbelief that Junior will be able to compete with OCC. Also Senior get's angry when Junior starts going after OCC's vendors.
The pressure is on at OCC and Paul Jr. Designs as both shops race to complete their bike builds in time for the famous Sturgis bike rally.
OCC builds a money-themed bike for longtime client Alan Brownfeld, while Junior and Mikey head to Louisiana to consult on a custom gun design with Will Hayden of Red Jacket Firearms and Sons of Guns. Then Senior announces his reconciliation with estranged son Dan, and Junior and PJD unveil their Jared Allen charity bike to a roaring crowd.
OCC and PJD rush to finish their Cadillac bikes for the build-off, then race CTS-Vs at the Monticello Raceway. And at long last, Junior and Senior face each other when they unveil their bikes at General Motors.Watch Now:Amazon
Senior and Junior finally sit down to settle the two-year lawsuit that has torn their family apart. Amidst the drama, PJD starts a new bike for FIST Enterprises while OCC builds a rock-and-roll-inspired bike for Hard Rock.
Junior lands the biggest job of his career when he is asked to build a bike inspired by the restoration of Ground Zero in NYC. Senior secures a build for a wealthy foreigner and rumors fly at both shops over Rick's assumed discontent at OCC.
Sr. and Jr. find themselves in front of a judge because Sr. is suing Jr. for his 20% ownership of OCC. Meanwhile, the team at OCC is hard at work on a chopper for ESAB, one of the oldest welding equipment companies in the country.
Senior and Junior are both invited to Jason's wedding. Junior gets a build from a longtime OCC client, frustrating Senior. OCC unveils the Hair Club bike in front of a roaring crowd in Washington.
OCC starts a build for WyoTech, a school for budding mechanics, while PJD continues work on their Gears of War 3 trike. Then, WyoTech students visit OCC to help out, while the understaffed PJD crew wonders how to find talented mechanics.
Junior and Vinnie venture into "enemy territory" to pick up the Black Widow Bike, and Senior express his frustration that he hasn't seen Mikey post-settlement. PJD assembles the FIST Bike while OCC creates the Power Probe Bike.
It's wedding bell bliss as Paul Jr. prepares to head down the aisle while PJD becomes swamped with e-mails from people interested in his bikes. But will Junior regret inviting his dad to the festivities?
As Senior makes an offer that he claims Junior rejected — and Junior claims Senior took off the table — both parties wonder whether the other really wants to move forward. PJD starts their charity-bike build for CrankyApe, one of two they are building for the company, while at OCC, the crew is underway with a triple bike build for Trans Am Depot. Then, Senior's dog dies and Junior reaches out to his father.
Cadillac enlists both OCC and PJD to build a bike in a father-son build-off. But even as the competition heats up, Senior reaches out to Junior with a second settlement offer ... and this time, without lawyers.Watch Now:AmazoniTunes
The guys at OCC are tapped to build the ultimate vehicle for the Science Channel's Meteorite Men. A tragic accident at Paul Jr. Designs prompts Senior to put his differences with his sons aside and he reaches out to Junior and Mikey.
After such a big battle, you'd think the show would be done. But it's back, in this season premiere of Senior vs. Junior. Senior is well-rooted for battle, but Junior plans on destroying his dad's business regardless; by building a rival shop just around the corner. Of course Mikey will be there along with an old friend Vinnie.
OCC gets a bike build for the Chicago Blackhawks to celebrate wining the Stanley Cup. However, a miscommunication leads to the crew scrapping the build and starting over from scratch. Meanwhile, Senior rushes his dog to the emergency room.
OCC finishes the Italian sports car bike and PJD unveils the Skil Bike. Then, Mikey leaves the show once and for all, and Junior goes to OCC to confront Senior face to face.