<Tr> <Th> Website </Th> <Td> www.nbc.com/american-ninja-warrior </Td> </Tr> <Tr> <Th> Production website </Th> <Td> www.anwcasting.com </Td> </Tr> <P> American Ninja Warrior (sometimes abbreviated as ANW) is an American sports entertainment competition that is a spin - off of the Japanese television series Sasuke . It features hundreds of competitors attempting to complete a series of obstacle courses of increasing difficulty, trying to make it to the national finals on the Las Vegas Strip, in hopes of becoming an "American Ninja Warrior". To date only two competitors, rock - climbers Isaac Caldiero and Geoff Britten, have won the course and achieved "Total Victory". Caldiero is the only competitor to win the cash prize . The series began on the now - defunct cable channel G4 and now airs on NBC with encore episodes airing on USA Network and NBC Sports Network . </P> <P> American Ninja Warrior succeeded G4's American Ninja Challenge as the qualifying route for Americans to enter Sasuke . Beginning with the fourth season in 2012, regional finalists and wild card competitors competed on a nearly identical Mount Midoriyama course in Las Vegas, Nevada, rather than traveling to Japan to compete on Sasuke . </P>

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