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.

As Paulie finishes the Web Bike, completing the trilogy, Rick and Vinnie get the opportunity of a lifetime and take a ride in an F-16. Meanwhile, Mikey, Senior and crew pitch in to create a new sign for Orange County Choppers.

OCC's next project has them building a chopper based on a Caterpillar bulldozer, but things don't go as well at the shop when Paul Jr. and Mike Campo can't agree on the bike's design.

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 complete the bike for Gillette, unveiling it at Boston's Prudential Center. Meanwhile, as an added bonus, Mikey babysits Vinnie's daughter, so Vinnie and his wife can have a much-needed night out.

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.

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

The Teutuls are given the opportunity to participate in a charity auction to benefit the familes of wounded or dead soldiers. Paul Jr. and Sr. compete to design two different bikes to be auctioned off and a tense competition is underway. Meanwhile, Paul Sr. gives his mom back her 1984 Cadillac Deville, completely restored.

The competition heats up as Senior and Junior compete to assemble and complete their bikes when they come back from paint, powdercoat, and chrome. When Senior pulls ahead, Junior gets the last laugh when he manages to get his bike started with the absence of a gas tank and a rear wheel.

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.

The final days of assembling the Yankees Bike come down to the wire when parts come back from paint and powder coat, but Paul Jr. is pushed to his limits when parts go missing. Ulitmately, it falls on Mikey to take the gas tank from New York to Milwaukee to have the Yanks sign it without scratching it.

The Teutels go into the wild blue yonder when they get the chance to build a bike to commemorate the launch of the space shuttle Discovery. After their visit to NASA, Paul Jr., Vinnie, and Rick bang away on the bike's fabrication. Tensions run rampant when Paul Sr. finds his son spending more time in Jason Pohl's office than actually fabricating. Will the build be scrubbed, or will it be salvaged?

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.

The final days of fabrication come down to the wire as Rick's old school chopper get sent out to paint, powder coat, and chrome. The mood around the shop takes a 180 when Cody leaves to attend the AMI motorcycle school in Florida to become a licensed mechanic.

The guys decide that it's time for a vacation and what better place than jolly old England? After an all-night flight, Senior, Junior, and Mikey are treated to a double-decker bus tour of London, which puts Senior to sleep. Next they visit the Tower of London, and the numerous torture devices found within may spark some ideas for motivation around the shop.

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.

Ever wonder what goes on behind the scenes? Find out in this special episode as Mikey films the film crew and travels to L.A. to find out about the post-production work needed to make this one-of-a-kind show come together. Watch interviews with the producer, cameramen, editors, and, begrudingly, the executive producer.

Susan Morisset is an insurance claim adjuster from Bruceville, Texas who's been wanting to ride an OCC bike because "somtimes a girl just needs to be in the driver's seat." And the Teutles are the kinda guys to give her their first girl bike. Between blowing stuff up, and Junior and Senior's biggest argument to date, things quickly spiral out of control and may threaten the completion of this FANtasy Bike.

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?

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.

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 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.

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

OCC gets a special visit from the "Piano Man," Billy Joel, who asks the guys to build him a vintage Indian bobber motorcycle. To get more insight into their customer's needs, the Teutuls make a special visit to Billy's home and get a tour of his vintage motorcycle collection. But when the paint on the bike comes back the wrong color, the pressure is on to finish the bike in time for its reveal in front of 10,000 fans at a Billy Joel concert.

The guys continue their work on a bike for Wendy's that will be auctioned off to benefit the Dave Thomas Foundation for Adoption.

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.

OCC continues working on their latest build, a bike for Sunoco that will be auctioned off to benefit the Victory Junction Gang Camp. When the bike is sent to paint and powdercoat, the guys head back to Lowe's Speedway and take turns going around the track.

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

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

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

The custom leather design for the Lugz bike poses new challenges for the crew.

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.

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

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