American Chopper is a reality television series that aired on Discovery Channel. The show follows Paul Teutul Sr. and his son Paul Teutul Jr. as they build custom motorcycles at their company, Orange County Choppers. Each episode showcases their creative process and the challenges they face in designing and constructing unique bikes for clients. American Chopper combines elements of family drama, competition, and craftsmanship, providing viewers with an inside look into the world of custom motorcycle building.