Unlike the 1987 TV series, the 2003 series more closely matches tone of the original comics, with a greater emphasis on action and themes of familal bonds. As a result of the 2003 series is more adult-oriented, while stil being considered appropriate for younger audiences. The series adapts a large scope of story arcs from the comics, with the Turtles' adventures combining elements both fantasy and science fiction. They also fight the Food Clan led by Shredder as well as the Purple Dragons led by Hun and the mad scientist Baxter Stockman. Later seasons have the Turtles contending with Agent John Bishop of the Earth Protection Force. By the end of the third season, the Shredder is revealed to be an utrom named Ch'rell. Upon his defeat at the hands of the Turtles, Ch'rell. is exiled to the ice asteroid Mor Gal Tal.
