<P> The series originally aired on Discovery Channel beginning in March 2003 . In December 2007 , the series moved to Discovery 's sister channel TLC , starting off with an 18 - hour marathon . Its first TLC season premiered in January 2008 . Season 6 began in April 2009 but the series was canceled by TLC in February 2010 . In July 2010 , TLC announced that the Teutuls would return in a new series , American Chopper : Senior vs. Junior . Senior vs. Junior premiered on TLC but was soon moved to Discovery halfway through the first season . Discovery Channel announced that the show would end with `` The Chopper Live : The Revenge '' show on December 11 , 2012 after 10 seasons . </P>
<P> The series originally aired on Discovery Channel beginning in March 2003 . In December 2007 , the series moved to Discovery 's sister channel TLC , starting off with an 18 - hour marathon . Its first TLC season premiered in January 2008 . Season 6 began in April 2009 but the series was canceled by TLC in February 2010 . In July 2010 , TLC announced that the Teutuls would return in a new series , American Chopper : Senior vs. Junior . Senior vs. Junior premiered on TLC but was soon moved to Discovery halfway through the first season . Discovery Channel announced that the show would end with `` The Chopper Live : The Revenge '' show on December 11 , 2012 after 10 seasons . </P>
when did american chopper go off the air
when did american chopper go off the air
December 11 , 2012
December 11 , 2012