El Tigre: The Adventures of Manny Rivera had its sneak peek on February 19, 2007, and ended in 2008. The series had two runs on different networks: Nickelodeon from March 3, 2007, to June 20, 2008, and Nicktoons Network from August 7 to September 13, 2008. There is no definite reason Why was El Tigre Canceled.