Watch American Chopper: Senior vs. Junior Online - Full Episodes

American Chopper: Senior vs. Junior is a spin-off reality show based on the original American Chopper. It follows the operations of Orange County Choppers, which is owned by Paul Teutel, Sr. and Paul Jr. Designs, which is owned by his son, Paul Teutel, Jr.

The show began after a heated feud between father and son. It debuted in August of 2010 and has ran for three seasons. The fourth season is scheduled to air in the fall of 2012. The show follows the creative design and construction of custom motorcycles, called choppers. Both individuals and companies have chosen to have one of the shops create a customized bike, and have hosted special events called "unveils" to present the newly designed bike to their clients and families. The staff of both Orange County Choppers and Paul Jr. Designs also frequent motorcycle rallies and shows to display their creations.

The show has also followed the legal issues between father and son. Paul Sr. filed a lawsuit against Paul Jr., which has been the focus point of the show. Episodes have documented court proceedings and mediation between the two and the settlement that has come from it. It has also followed the relationship between the two and Michael, Paul Sr.'s son and Paul Jr.'s brother. Michael has opened his own art studio, and the episodes document various art shows he has participated in, as well as his choice to distance himself from his father.

American Chopper: Senior vs. Junior has produced 52 episodes and airs on the Discovery Channel.