Whereas Nickelodeon and Disney tend to kill off shows after only 2 or 3 seasons, Cartoon Network lets their shows go on for 4, 5, 6, sometimes 8 seasons. Nearly all of the Network's beloved originals had a fairly long run. Dexter, Powerpuff, Johnny Bravo, Ed Edd n' Eddy, Foster's, KND, Billy and Mandy, Adventure Time, Regular Show, Uncle Grandpa, Gumball, etc.
While there are shows that last shorter, like Robotomy, Juniper Lee, or Secret Saturdays, they were the exception, rather than the…