Bill Murray Bike 1

Paul Sr. and Paul Jr. are forging ahead with their own shops and lives.

A supercharger problem causes delays for one of OCC's fastest bikes ever.

Senior confronts Junior about harsh words in Junior's autobiography.

The OCC crew pushes the limit as they build a pair of contrasting bikes.

Senior may miss the first deadline of his career with OCC's '65 GTO bike.

Senior leans on Mikey to complete an old-school chopper for a longtime fan.

Senior starts a build before meeting the client, then has to change course.

Junior designs a western-inspired bike for country-music star Clay Walker.

Sr. and Jr. begin restoring a 1951 Buick, but don't always go by the book.

Fabrication puts Junior's futuristic big rig bike way behind schedule.

Senior designs affordable motorcycles to sell out of the OCC showroom.

Senior and Josh have creative differences over a paintball-themed bike.

Senior takes on a build to raise money for a Vietnam memorial.

Senior and his team struggle to deliver a vintage-style bike on time.

Junior designs a monster trike and takes a huge financial gamble. Senior and Junior ponder the idea of building a bike together. Josh builds a bike for the local SPCA, headed by Joanie and Senior.

Jr. attempts a dually trike, while OCC builds two bikes in three weeks.