A little show, about these cartoon turtles who mutated into human like sized ninja fighting machines debuted on CBS, it was called Teenage Mutant Ninja Turtles. It started as a 5 part mini-series in 1987, then exploded into a regular Saturday morning cartoon, and finally was on 5 days a week with new episodes. The cartoon went for 10 seasons, lasting until around 1996 causing a crazy in the USA, with shirts, lunch boxes, more comic books, and then finally a bunch of live action movies.