Jim Quinn sits down with Skeeter to design some nontraditional, super-charged parts for the SuperBike, OCC's first sports bike.

With the personal and professional risks of working together again on everyone's minds, Junior, Senior and Steve Moreau meet to discuss a joint production bike line and a commercial for OCC Cafe.

Watch how Vinnie gets "raw" when the assembly on the RoadLoK Bike runs into some snags due to some initial errant wire routing by Cody.

Senior expresses his desire to continue to work on their father-son relationship, while Junior wonders if they are too far apart to move forward.

In this unorthodox aftershow, Senior and his crew address everything from what characterizes a '70s-style motorcycle to what sort of bed pillow they prefer.

After playing for -- and discussing with -- Rachael his father's voice mail, Junior decides it is time for him and Senior to meet ... in person ... and without cameras.

After much back and forth on the future of their relationship, Senior sums it up in one sentence: "I just want to know what you want to do."

In an unconventional unveil, Paul Sr. presents the uniquely stretched-out MyPillow Bike to a cheering crowd at the Mall of America.

Speaking for the first time since the build-off, Junior and Senior attempt to find a time to meet in person.

Senior reacts to a voice-mail message from Junior that proposes a face-to-face meeting ... but without cameras.

On the seventh day of the MyPillow's fabrication, Senior gives Mike Ammirati a rude awakening, then comes to a final determination on the bike's exhaust with Rick Petko.

The PJD crew unveils their beloved Newmont Mining Bike before a screaming crowd of thousands at the Red Lion Hotel and Casino in Elko, Nev.

A disappointed Senior reflects on his off-camera face-to-face meeting with Junior, and muses on what he thinks is the next step in their relationship ... if there is one.

If you think making a bike blue is simple, join Senior as he stops in on the MyPillow Bike's custom candy-flake paint job.

Witness Junior's pure delight as the super-sleek frame and golden wheels arrive on day one of the Newmont Mining Bike's assembly.

If you thought engineering and attaching fenders were simple tasks, witness Mike Ammirati's magic on the MyPillow Bike.

When OCC leaves their tire-slashed tribute to last year's Chopper Live winner at PJD's gate, Junior and his crew DO have a response. Watch and see what it is.

Confused when he's asked to come up with a logo for the new -- and unnamed -- Junior-Senior joint venture, Jason Pohl calls in Steve Moreau for some clarification.

The OCC crew take a break from the Chopper Live build to prank Junior during his. See just what resulted from Senior's mandate, "When it doubt, rivet it out!"

When Junior goes to OCC to meet with Senior and Jason about the production-bike design, the discussion -- and tension -- quickly escalates.

Senior calls in Steve Markovits, OCC's general counsel, for advice on how to set up his new company with Junior in a way that avoids past issues (both personal and legal).

For Vinnie, crossover with OCC is "lame" most of the time. See how that all changed one day with two cars (including the OCC prank car) and one crash in OCC's parking lot.

If you're going to be smashing cars -- in this case, the OCC prank car -- you should first make them halfway safe, so you don't end up in flames.

On the series finale, Junior and Senior meet to review Junior's ideas for the production bike ... and discuss the future of -- and strains on -- their relationship.

Senior rides -- and then unveils -- the GAF Bike on the series finale of American Chopper.

Junior and the PJD team travel to Ground Zero to unveil the refurbished 9/11 Memorial Bike on the series finale of American Chopper.

Watching the Chopper Live with his crew, Junior reflects on his win, his hug with Senior, and crowd's negative reaction to his dad on stage.

Frustrations flare when Paulie sees that Mikey's Jackson Pollock-inspired technique has splattered paint all over Paul Jr. Design's driveway.

After seeing OCC's bike, would Junior or Vinnie have done anything differently? What were their concerns going into the build-off, and would they do another? You asked; we have the answer.

Rick, Jason and Mike address their friction over the Hard Rock's design and fabrication, and Senior discloses what he thinks is next for him and Junior.

Is Senior REALLY trying to reach out? In December 2010, Junior reflected on his father's professed attempts to reconcile.

Judging from the number of components Jim Quinn and the OCC crew had to custom-make, integrating a diesel motor into the CIMA Green Bike was simpler said than done.