The Girls of BSN, a spokesmodel team of the nutritional supplement manufacturer BSN, give the guys a hand as they begin design on a bike for the company.

The team designs a NASCAR-inspired chopper for the Stewart-Haas racing team. Mikey participates in JDRF's Ride to Cure Diabetes. Paul Jr. pitches a new line of dog toys.

OCC takes on an industrial themed bike when the tackle the heavy machinery maker, Aaron Equipment Company. When one Teutul doesn't show up at the Aaron, Sr. is left upset. The air is tense as the guys get the gears turning when the design ideas begin for fabrication.

OCC takes on the challenge of building two bikes at the same time. First is a custom bike for illusionist Steve Wyrick and the second is for ICEE. Their first trick is to invent an invisible gas tank for Steve's bike. And, the gang go to work for the sweet treat as a means of cooling off.

OCC moves into their new World Headquarters and takes on their first build in the new shop; a penguin-themed chopper for exterior insulation manufacturer, Drvyit Systems.

The motorcycle industry picks OCC for an award, but there are no production bikes available to display in the awards showcase, so the crew scrambles to build some in time for the event.

The Army National Guard Patriot Bike is completed by the guys at OCC. Jason Pohl is eager for the opportunity to advance in his training. But tension arises with the crew because of Jason's ignorance of the shop protocol. Paul, Sr. pays tribute to the sacrifice given by some injured vets.

Pohl is chosen to scout out OCC's most magical client to date, Schussler Creative. But when the outrageous ideas for the Schussler's bike pushes OCC to the brink, causing the guys to dig in and set the goal of creating the wildest 57 Chevy bike ever.

OCC is enlisted to build a bike for the Iraq Star Foundation, which provides free reconstructive surgery to U.S. soldiers injured in Iraq and Afghanistan.

The guys of OCC continue working on Senior's vintage chopper, while Chris Matthews finishes restoring an old classic. When the front end of the vintage chopper comes back from powdercoat the wrong color, the guys scramble to finish the bike on time. Senior's vintage chopper is unveiled at a photo shoot for Barnett's magazine.

OCC builds an industrial-themed bike for the Manitowoc crane group. Also, Mikey gives a lecture to a group of second graders.

OCC continues on their latest double build -- custom bikes for Craftsman Tools and DieHard Batteries. After a jam session with rock 'n' roll legend Chubby Checker gets OCC doing the twist, both teams race into assembly and the Sr.-Jr. rivalry heats up. But as Team Craftsman is delayed, Team DieHard pulls ahead and Mikey moves forward with his latest project, recruiting Sr. to lend a hand. Once Mikey's unusual creation passes its test, Sr. and his team must rally to get their Craftsman project done.

Mikey reveals the University of Michican bike at Michigan-OSU football game Then the guys are off to Hollywood for a reveal party with the cast of NBC's show "My Name is Earl".

With business booming at OCC, Senior splurges for an expansion to the cramped garage ... and a custom Harley for son Paulie. Back in the shop, the crew hustles to get the Dixie Bike ready for its Daytona debut. But with the clock ticking and the realization that the rear fender is hopelessly bent, the guys are going to have to come up with a creative solution to get this grass-kicking hog to the show on time.

Schneider Electric is challenging Orange County Choppers to build a custom motorcycle that will support our company mission of helping people make the most of their energy.

Paul Teutul and his sons capture the drama and go head to head in the creation of outrageous custom motorcycles.

The Teutuls get inspired by some high-end automotive engineering and build a luxury-performance bike for Mercedes Benz-AMG. Senior taps a local artist to immortalize his kids in ink, and then takes some time to get away, with his best friend Gus.

OCC pulls out all the stops and takes on a project for the plumbing and heating technology company, Viega Corporation. Manpower issues continue to plague the shop, and company demands push JQ to the limit.

A custom bike build begins for McCuff Industries, but a miscalculation on the frame and problems during assembly threaten the process.

Paulie and the boys hit the hardwood for a game of hoops against the guys from OCC Ironworks in what can only be described as a comedy of errors. But back in the shop, it's all business: Big Paul blows up at Vinnie for leaving the shop in disarray and nearly sends him home for the day. However, once Senior gets a look at the Miller Bike's patriotic paint job and the outrageous tow-behind welder, all is forgiven.

Chicago White Sox pitcher Mark Buehrle's wife commissions OCC to build him a surprise chopper to commemorate his perfect game; Paul Jr. continues to work on a project for Coleman, his biggest client.

The guys head to the lanes for inspiration when OCC decides to create a bowling themed bike for Strike Ten Entertainment. Rick designs a tank in the form of a bowling ball, and Sr. brings Mikey to the farm where he pretends to be a matador.

OCC twists and turns into their next project: the OCC Motocoaster bike for the Darien Lake Theme Park Resort.

OCC continues on their latest custom creation -- a street bike/motocross hybrid for the outdoor lifestyle company Gander Mountain. The Teutuls travel to Brazil to unveil a special bike... and find themselves invited to the presidential palace. Back at the shop, doubts about Pohl's abilities quickly resurface, and his inexperience tests Sr.'s patience. Mikey steps in and challenges the old man to a competition that fosters some father-son bonding.

OCC boots up their latest custom chopper--a computer-themed creation for the HP Corporation. With the build underway, the OCC crew makes a call to the tattoo artists of <i>Miami Ink</i> to discuss getting some new tattoos.

OCC locks and loads as they pay tribute to the troops with a custom bike for the Army National Guard. Paul Sr. takes a walk down the aisle with Beth. Using concepts sent in by the troops, Paul Jr. and Jason Pohl get started on the design. Then, after fabrication begins, Cody steps up to fill a void, and Sr. takes him under his wing.

OCC teams up with Sunoco and NASCAR driver Kyle Petty to build a bike that will benefit the Victory Junction Gang Camp. The guys head down to North Carolina to meet Kyle Petty and to tour the camp. While there, they get the opportunity to hang out and spend time with some of the kids. After that, the Teutuls head to Lowe's Speedway where they take turns going around the track. Once back in the shop, they continue working on this latest chopper.

Mikey and Vinnie host a series of their favorite clips that never quite made the show.

It's crunch time for OCC as they rush to complete their tribute to the boys in blue. Tensions in the shop rise to complete this one of a kind bike in time. Episode highlights: Mikey drowns a pick-up truck in a pond, and Rick and Vinnie try out the effectiveness of the Police Bike's sirens.

It's off to drag-racing school in New Jersey for the OCC guys, as they prepare to build a drag bike for NAPA. And this bike will be unlike any other: It'll have a straight speed of 140 mph, and will be used in actual races on the quarter-mile drag track. Also out of the ordinary is Mike, who stops his loafing around and gets a new title at OCC after Mike Campo quits.

How do you honor the greatest monument in American history? You build her a custom chopper, of course! And that's exactly what happens for OCC when they get the task of creating a bike that symbolizes American freedom and the Statue of Liberty, with one of Paul Jr.'s daring ideas to date: coat the entire bike in Statue of Liberty copper.

OCC packs their gear and hikes into their next project -- a custom chopper for Gander Mountain, an outdoor lifestyle company. As design gets under way, Jr. decides to go with an off-road theme. But a disagreement over fabrication ignites into a full-scale blowout that brings the project to a screeching halt. OCC ventures into the great outdoors, and tests their survival skills.

An oversight by Cody and unexpected news about its planned debut threaten the completion of the Eragon Bike.

OCC hits the links for their latest project: three EDS sponsored choppers honoring the career and charitable work of golf legend Byron Nelson.

OCC goes heavy duty with a bike for Dodge Ram. Needing help with the design, the guys take a trip to a farm for inspiration from the real thing. Back at the shop, Sr. leads the charge on the build but when Jr. gets involved the two Teutuls butt heads.

OCC hosts the RJR Memorial Car show. With Sr. leading the way, everyone at the shop contributes: Jr. reaches out to the local fire department for help with a pancake breakfast and Mikey travels to the city to solicit help for an idea uniquely his own.

Paul Sr. gets the green light for Paul Jr. to design and build a custom chopper honoring the World Champion NY Giants. As Junior's freeform style inspires the build, OCC prepares for the grand opening of their new World HQ.

OCC charges up their latest double build: Sr.'s custom creation for Craftsman Tools, and Jr.'s two-wheeled showpiece for DieHard Batteries. The guys travel to South Africa, where they immerse themselves in the local bike culture ... and head to the bush, to make some new friends. But back at the shop, Craftsman drops the hammer and sends Sr. and Pohl back to the drawing board.

After dedicating a bike to the firefighters of America, OCC decides it's time to do one for the boys in blue. After visiting a police training facility in upstate New York, and pepper spraying Keith, Paul Jr. and Vinnie nail out the details of this one of a kind bike, such as a sidecar and the intricate lighting system.

OCC finishes the NAPA bike, and Vinnie races it down the strip in an actual drag race.

In an effort to continue their business expansion, OCC is partners up with industry giant Ducati. The guys in the shop put their unique spin on one of these Italian bikes as they prepare to celebrate at OCC's four day long 10th anniversary bash.

The Lincoln motor company. A name that means elegance and superior handling. So how does a subsidiary car company of Ford celebrate the release of their first pick-up truck? Get OCC to build a custom chopper, of course! In a day full of test rides and crashing trucks, Paulie, Vin, and Rick nail out some of the details on this bike and test out their new FloJet machine.

Final part of 3 part series. The Teutel's take a two week trip to Australia and create a down-under themed bike.

The guys at OCC are tapped by Kobalt to build them a custom chopper. With a brand new set of tools, Senior and his team get busy designing and building an incredibly unique chopper. Junior gathers the family together and makes a truly life changing announcement.

OCC suits up, and lays siege to their latest project, a dragon-rider bike inspired by the movie Eragon; Mikey takes on a crusade of his own and organizes a jousting tournament uniquely OCC.

OCC continues work on the chopper for the Flow International Corporation. Meanwhile, the crew goes to a paintball course to let off a little steam, OCC-style.

It's crunch time for OCC as they press to complete fabrication and assembly on the Leno Bike project, but when thicker-than-usual powdercoat slows down Paul Jr. and Vinnie's progress, can they get the bike finished in time for its Tonight Show debut?

OCC tunes in and cranks it up, as they build a custom bike for Klipsch Audio Technologies. But staffing shortages around the shop have the crew scrambling, forcing Sr. to amp everyone up on a quest to hire new people.

It's California dreaming as the boys of OCC get their latest creation ready for its red-carpet debut out West. While they're waiting for paint and chrome work to be completed, Paulie and Vinnie get to work souping up Mikey's ""chick magnet"" — his 50-cc scooter. But comedy turns to drama when a few missing parts prevent final assembly of the Robo-Bike.

The Liberty Bike quickly goes down as the hardest bike ever to assemble and finish when parts go missing, and Paul Jr. having to reject Mike Campo's Statue of Liberty face fender. To add to the fire, Paul Jr. has to fabricate a third exhaust system for the custom carburetor and contend with his father's impatient attitude in finishing this bike.

OCC is commissioned to build a chopper for the Ornge medical transport company; the team struggles trying to figure out how to build a sidecar capable of carrying the same kind of stretcher found in an ambulance; Paul Jr. Designs project.

Joseph McClendon has always been a lover of motorcycles, especially choppers. But when he had to sell his hog to help pay for his mom's hospital bills, his mom made him promise that he would build another chopper that meant as much to him as the other. Thanks to the Discovery Channel FANtasy Bike contest, he just may get one. But when Junior and Senior get into a more personal argument, will it threaten the final completion of this chopper?

After his trip to Europe where he saw some impressive vintage motorcycles, Senior feels inspired and decides to start his own collection of vintage bikes. When the guys try to restore an old classic, they run into some obstacles and need to call on the help of an expert. Senior has everyone working on this project and he decides to build a chopper with a vintage feel as well. Mikey even pitches in, but when he gets pushed too far, he throws a temper tantrum and walks out.

The guys of OCC have their work cut out for them with two new projects: a B-2 Bomber bike for Northrop Grumman and one for the NHL. The company's foundation is rocked as Paul Sr. and Paul Jr. go head to head in a no hold's barred argument.

The Tour de France is in its final stages as work continues on Lance Armstrong's Livestrong bike. With their deadline looming, the team struggles to put the finishing touches on the exhaust system in time to get the chopper to Justin and Nub Grafix for paint. But when the bike returns, engine problems linger, putting the pressure on Junior to fix the mystery problem before OCC presents the gift to Lance on The Tonight Show.

The guys are commissioned to build a ``wheelchair chopper'' for the Christopher and Dana Reeve Foundation; Paul Jr. makes his first visit to OCC in more than four months, but the family divide continues.

Sr. is having some work done on the shop and in return he's building bikes for the contracted companies, DECA and Columet.

A trip down memory lane while at Sturgis inspires Senior to build a tribute to biker legend and artist (and one of Senior's personal heroes) David Mann. But throughout the build Senior struggles with problems, from Paulie showing up late to work to never-ending fights with Mike. Then, after a trip to the dentist leaves Mike in an anesthetized stupor, Senior and Rick are left to work on the handlebars without his input. Will his empty spot slow down the build, or will Senior and Rick survive on their own?

It's moving day for OCC when the guys move out to a bigger facility closer to Montgomery, New York. The final stages of fabrication on the Carroll Shelby Bike become complicated when Keith has the equipment moved right out under Vinnie and Rick's noses. After moving into the bigger facility, the bike snaps together but when engine problems similar to those that plagued the Comanche threaten to pull the plug on this Mustang-inspired masterpiece for its unveiling at a Las Vegas auto show.

As work continues on the Lincoln Bike, Mikey pitches in to complete some extra features and to keep the guys on schedule. Then, after the bike goes out for its paint job, Junior and crew travel to Washington, D.C., to visit injured troops at Walter Reed Memorial Hospital. Back in New York, the rivalry between Orange County Choppers and Orange County Iron Works is played out in a hardcore game of dodge ball. But too much play and little work means a final scramble to finish the build when the crew encounters huge problems during the bike's final assembly.

OCC goes green by attempting to build the first clean-burning natural gas powered bike for the Chesapeake Energy Corporation. Their vision and ingenuity will be put to the test...can a bike be built which is energy efficient and still perform as a chopper? Meanwhile, at Paul Jr. Designs, Paul Jr. gets his first client in Coleman which wants him to put a new spin on a current product. Elsewhere at OCC, Mikey begins questioning his relationship with his father and role at the shop.

OCC amps it up as they start on their latest custom creation--a guitar-themed chopper for Peavey Electronics. But when Senior brings in a second build, for the Go Fast Energy Drink company, the work piles up and the company's resources are spread thin.

In a day off from the hustle and bustle of the shop, Mikey gets to host a series of his favorite moments from the show, including his dad and brother waging war on a nearby bees nest and the stress of the Comanche Bike.

OCC is given the oppurtunity to build a Yankee-inspired bike for the Jorge Posada Foundation. Paul Jr. takes to the field in designing a one-of-a-kind baseball themed bike that includes bat-shaped handlebars and a primary cover with an etching of Yankee Stadium. Struck with inspiration, Paul Sr. arranges for a softball game between OCC and Orange County Ironworks.

Actor Bill Murray asks the OCC crew to build him a chopper inspired by his "Caddyshack" character, Carl.

Actor Bill Murray asks the OCC crew to build him a chopper inspired by his "Caddyshack" character, Carl.

The guys finish off work on a high-tech bike for Intel featuring the latest in motorcycle and computing gadgetry.

Junior attempts his first ever dually trike. Senior and his team struggle to build two bikes in three weeks. The Teutuls cruise the Buick through Senior's old stomping grounds.

The guys start work on a high-tech bike for Intel featuring the latest in motorcycle and computing gadgetry.

Mikey and Vinnie embark on a quest to obtain New England lobsters for the guys at the shop.

Sr. takes a trip up to Alaska to research a bike and ends up meeting with Governor Sarah Palin. Then it's off to Finland in an attempt to bring OCC to Europe.

A truce is made between Paul Sr. and his sons as they make an appearance on "Larry King Live.'' Later, Paul Jr. makes his first solo appearance since leaving OCC by heading to the Midwest.

Adventures and cultural differences await the Teutuls as they travel across the Atlantic for the first time ever. While in London, the guys take in the sights and realize that things are quite different on the other side of the pond. They manage to find some bikes and head out on the open road in Ireland and England, taking in the countryside. On the go and feeling out of place, Senior, Junior and Mikey start to feel new pressures and tensions rise.

Times are tough at the OCC shop. Now that Jr. has been fired he's on the hunt for a new project to take up his time. Sr. and the rest of the team clown around at the circus, and build a bike to honor the music festival held at Woodstock.

Tempers run hot and sirens scream as Paul Sr sounds the alarm, and his son forges a heart-felt tribute out of raw steel. The OCC Crew kicks it into high gear and races to the scene with their latest artistic triumph. After working on the firebike for a month, Paulie runs into a creative block and goes to the local fire station(s) to get some inspiration. After the visit to the firehouse and a firetruck store, OCC finally gets the bike put together and puts it on display for the NYFD

OCC's reputation is on the line as they race to complete a $150,000 custom chopper, but last minute changes and costly delays push tensions to the boiling point and put the brakes on the Race Car Project. The Race Car Bike gets completed but, a major problem puts the bike in big trouble and only by working late into the night, do they manage to pull it off?

The OCC crew decide to mass produce a bike for the public.

OCC designs and builds a high-tech chopper for GoDaddy.com, but Jason and Paul Jr. can't agree on a design, so Senior has to step in. <br />

Paul Sr. is out of the shop as he continues to promote his new book on some popular talk shows. In order to keep the production of the Mt. Creek bike running smoothly, he calls Jr. in as a consultant to help out.

OCC lands an important international client as they are hired to build a bike for the Abu Dhabi police department. Seeing a good business opportunity, Sr. travels to the Middle East in an attempt to expand OCC's international reach.

With Junior and Mickey squeezed from the family business, life goes on with some changes. Meanwhile, the crew build a bike for the Saginaw Chippewa Indian tribe.

Mikey gets in the game and heads up OCC's latest custom creation - a Wolverine bike for the University of Michigan's Mott Children's Hospital.The cast from NBC's "My Name is Earl" bursts onto the scene and gets the OCC team to build a My Name is Earl bike.

The OCC crew builds a custom chopper on stage for their fans.

An oversight by Cody and unexpected news about its planned debut threaten the completion of the Eragon Bike.

To mark the occasion of OCC's 10th anniversary Sr. designs a bike for the masses. He's written a new book and gets invited to ring the bell at the NYSE, and to appear on some famous late night talk shows in order to promote it.

OCC builds a bike for pool champion Jeanette Lee inspired by her ``Black Widow'' nickname; Mikey is back from rehab and ready to make amends; Paul Jr. explores designing a campaign for an Indy racing team.

The OCC guys create their first diesel-powered chopper for Monster Diesel; Paul Jr. attends the grand opening of a dog park that he designed for his hometown of Newburgh, N.Y.

Paul Jr. decides it's time to build himself a bike, but not just any bike. Taking some design cues from the Spider-Man Bike and the Black Widow, he sets out to create an original web-theme bike.

Junior designs a monster trike and takes a huge financial gamble. Senior and his team struggle to build two bikes in three weeks for a Florida resort. Senior and Junior ponder the idea of building a bike together.

To honor those who have fallen in the armed forces, Paul Sr. enlists Rick, Mike, and even Mikey, to begin construction of a one of a kind tribute on wheels.

The guys visit Nike headquarters in search of inspiration for their next project, a chopper tribute to six-time Tour de France champion and cancer survivor Lance Armstrong and his Livestrong Foundation. But when fabrication begins, the shop and Junior's ambitious designs suffer a setback when Rick get his hand caught in a drill press, sustaining a serious injury.

The fights continue as the guys struggle to complete assembly on the bike for Caterpillar, their efforts slowed by major problems with the rear fender.

The guys of OCC take off to Cape Canaveral, Fla., to watch the launch of the space shuttle Discovery, seeking more ideas for the NASA-themed bike. Once back in the shop, Junior continues to work on the bike while Senior and Mikey build a model space shuttle together. After the bike is assembled, OCC heads back to the Johnson Space Center in Houston, Texas, to reveal the bike to NASA and the astronauts who returned home on Discovery.

Bryan King is a truck driving, car customizer out of California, and the one thing he wants more than anything is to have his own chopper. Only one small problem: he's in a wheelchair. Overcoming this hurdle is one of many problems that plagues the guys as they design a tike-bike to accomodate Bryan and make this FANtasy Bike one to remember.

The Teutuls begin work on their next project, for the Lugz footwear company; OCC bids farewell to a valued employee.

As work continues on the chopper for GoDaddy.com, Mikey and Paul Sr. take a trip to the racetrack, where Mikey gets to show off his racing skills to Danica Patrick.

OCC continues on their computer themed chopper for the HP Corporation. Meanwhile, Ami and Chris from Miami Ink continue their custom body art on Senior and Beth. The guys encounter problems at the bike's reveal and Senior narrowly avoids a mishap.

It's into the homestretch of final fabrication and assembly on the POW/MIA Bike. With the paint ideas done, the OCC crew decide to celebrate a special occaison: Paul Jr's, and his mom's, birthday.

Pro golfer Davis Love III gets a one-of-a-kind birthday present when his wife Robin gets the Teutuls to build him a custom old-school chopper to contradict the easy-going personality he has on the green.

The design contest between father and son continues, with fans picking the winner. Paul Sr. goes old school while Jr. puts together a new spider-web design.