Teenage Mutant Ninja Turtles: Mutant Mayhem is one of the summer’s surprise hits, highlighting the unlikely endurance of the wisecracking reptiles.

The finale, "The Seven Wonders," offered an entertaining reminder of how much better this witch-themed season could have been.

But the movie’s rise from a shelved failure to a cult hit to a beloved cultural staple is thanks to its dedicated groups of fans.