Kobalt tools get the OCC crew to build them a custom chopper. And Paul Jr gathers the family together and makes a truly life changing announcement. S6/Ep26
The team design a NASCAR inspired chopper for the Stewart - Haas racing team while Paul Jr. pitches a new line of dog toys to a company based in Los Angeles. S6/Ep25
The guys work on the first ever diesel powered chopper. Jr is at the opening of the dog park, and Mikey performs his stand-up routine to a packed house. S6/Ep24
The guys work on a bike for Gladiator Garageworks. Mikey performs his comedy act live and Sr fights his emotions sharing news about a loved one. S6/Ep23
The guys are faced with one of OCC's most complex and challenging builds ever - a hybrid chopper for Schneider Electric. The rift in the family continues. S6/Ep22
The guys are faced with one of OCC's most complex and challenging builds ever - a hybrid chopper for Schneider Electric. The rift in the family continues. S6/Ep22
OCC are building a trike for a client. Plus, Paul Sr learns that Mikey is in rehab and wonders if there is any hope of salvaging their strained relationship. S6/Ep19
The team build a bike for the Iraq Star Foundation. Kristy Swanson, Gary Sinise, Jon Voight and other Hollywood stars turn out to support the cause. S6/Ep18
The team attempt to make a bike for Mark Buehrle of the Chicago White Sox baseball team while Paul Jr works hard to get his new company off the ground. S6/Ep17
The OCC are asked to build a chopper for medical transport company Ornge. But they struggle to create a sidecar capable of carrying an ambulance-style stretcher. S6/Ep16
There's mayhem at the garage, but how are things working out for the respective members of the Teutul clan now that they've all gone their separate ways? S6/Ep15
Even though things are tense between Paul Sr and his sons they put their differences aside to make an appearance on the American programme 'Larry King Live'. S6/Ep14
The OCC attempt to build the first natural gas-powered chopper. And, as Paul Junior sets up his new company, Mikey starts to question his future. S6/Ep12
Jon Gosselin, of hit series Jon & Kate Plus 8, has asked the guys at OCC to build him a bike. So the team head to the Gosselin ranch for ideas. S6/Ep10
To continue their business expansion, OCC partners up with industry giant Ducati. Plus, they put their unique spin on one of these Italian bikes. S6/Ep9
The guys from OCC head to Howe Caverns to explore some caves. And Paul Jr continues to work as a consultant, plus focusing on his own projects outside the shop. S6/Ep8
To keep the Mountain Creek bike build running smoothly while he is out of the shop promoting his book, Paul Senior calls in Paul Junior as a consultant. S6/Ep7
Paul Sr tries to make amends with Paul Jr by inviting him, and Mikey, up to his house to work on a bike just for fun. But will his olive branch work? S6/Ep6
In the last ever episode, Snr., Jnr. and Mikey donate the last ever bike they made together, and the trio look back at the most dramatic and defining moments of the show. S9/Ep7
To mark the OCC's 10th anniversary, Paul Sr designs a bike for the masses. Plus, he gets invited to ring the bell at the New York Stock Exchange. S6/Ep5
Paul Sr takes a trip up to Alaska to research a bike, and ends up meeting Governor Sarah Palin. Then it's off to Finland in an attempt to bring OCC to Europe. S6/Ep4
The crews are under pressure to finish the 911, GAF and Venetian bikes. Cody goes after OCC with a revengeful prank, plus Sr. and Jr. find common ground. S9/Ep6
The 911 Memorial Bike is in more hot water than the guys thought. The pranks leading up to Chopper Live rev up, and the production bike discussions open old wounds. S9/Ep5
After last season's humiliating defeat in the build-off, Sr demands a rematch - but can he work with Jr on design? Plus, Jr branches out into chopper-styled bicycles. S9/Ep3
While Sr insists that everyone works in his shop and Jr drags his feet, Vinnie refuses to team-up with the OCC. Plus, can Mikey help out on the Cre8Play build? S9/Ep2
After defying the odds and agreeing to start a new company together, Sr and Jr immediately struggle to define each other's roles. Is this ambitious idea a write-off? S9/Ep1
The crew work on a bike unlike anything they've built before - a bike that will be auctioned off to benefit the Dave Thomas Foundation for Adoption. S3/Ep68
Senior's trip to Europe inspires him to start a collection of vintage bikes, whilst the guys run into obstacles as they restore an old classic. S3/Ep66
The final winner is revealed. A car accident left this fan paraplegic, so his dream custom-built trike bike will test the team's talents to the fullest. S3/Ep65
Senior decides to surprise Rick and tells him that the next bike that they build will be for him. Mikey comes in to help Rick and acts as his inspiration. S3/Ep60
In the last ever episode, Snr., Jnr. and Mikey donate the last ever bike they made together, and the trio look back at the most dramatic and defining moments of the show. S9/Ep7
While Sr insists that everyone works in his shop and Jr drags his feet, Vinnie refuses to team-up with the OCC. Plus, can Mikey help out on the Cre8Play build? S9/Ep2