S4 E1 • Junior Vs. Senior 1

When Orange County Chopper breaks ground on their new shop, Paul Sr. challenges Paul Jr. to a design contest.

Première diffusion : 18 janvier 2007

S4 E2 • Junior Vs. Senior 2

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.

Première diffusion : 25 janvier 2007

S4 E3 • Go Daddy 1

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 />

Première diffusion : 1 février 2007

S4 E4 • Go Daddy 2

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.

Première diffusion : 8 février 2007

S4 E5 • American Chopper Special

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

Première diffusion : 11 février 2007

S4 E6 • Flowjet Bike 1

While Orange County Chopper begins work on a custom bike for the Flow International Corporation, Mikey starts on a secret project of his own.

Première diffusion : 15 février 2007

S4 E7 • Flowjet Bike 2

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.

Première diffusion : 22 février 2007

S4 E8 • HP Bike 1

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.

Première diffusion : 29 mars 2007

S4 E9 • HP Bike 2

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.

Première diffusion : 5 avril 2007

S4 E10 • Peavey Bike 1

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.

Première diffusion : 12 avril 2007

S4 E11 • Peavey Bike 2

OCC continues on their custom chopper for Peavey Electronics. The double build winds down as the guys travel to Las Vegas to unveil the Go Fast bike, and then on to Anaheim for the Peavey reveal.

Première diffusion : 19 avril 2007

S4 E12 • Australia 1

It's another OCC family vacation as the Teutuls go walkabout in the 'land down under' where Russell Crowe asks the guys to build an Australia-themed chopper.

Première diffusion : 31 mai 2007

S4 E13 • Australia 2

The Teutuls continue their adventures in the Great South Land. After arriving at Uluru, the guys find themselves immersed in Aboriginal culture.

Première diffusion : 7 juin 2007

S4 E14 • Australia 3

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

Première diffusion : 14 juin 2007

S4 E15 • Intel 1

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

Première diffusion : 12 juillet 2007

S4 E16 • Intel 2

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

Première diffusion : 19 juillet 2007

S4 E17 • Byron Nelson 1

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

Première diffusion : 26 juillet 2007

S4 E18 • Byron Nelson 2

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

Première diffusion : 2 août 2007

S4 E19 • Silver State Choppers' Chopper 1

OCC hovers over their next project--a sleek, custom creation for Silver State Helicopters. But aspects of the bike's design present new challenges for the crew, and forces Paul Jr. to confront creative obstacles of his own.

Première diffusion : 30 août 2007

S4 E20 • Silver State Choppers' Chopper 2

OCC's rotors spin at full speed as work on the custom chopper for Silver State Helicopters continues. As assembly gets underway, Jr, Mikey and Vin go airborne, and take some flight lessons.

Première diffusion : 6 septembre 2007

S4 E21 • Iowa Farm Bureau Bike 1

OCC shucks some corn and plows into their next project, the world's first renewable fuel chopper for the Iowa Farm Bureau. The Teutuls check in on OCC's new world HQ, and NASCAR champ Tony Stewart stops by to check on his bike.

Première diffusion : 11 octobre 2007

S4 E22 • Iowa Farm Bureau Bike 2

OCC continues on their innovative ethanol-powered bike for the Iowa Farm Bureau. But the mood in the shop quickly turns somber, when a long-time member of the crew calls it quits.

Première diffusion : 18 octobre 2007