American Chopper: Senior vs. Junior is a reality television spin-off which premiered on the TLC channel on August 12, 2010. The show chronicles the rivalry between Orange County Choppers (OCC) owned by Paul Teutul Sr. and his son Paul Teutul Jr.’s newly opened motorcycle business Paul Jr. Designs (PJD).
https://en.wikipedia.org/wiki/American_Chopper:_Senior_vs._Junior

