Ben10 is a new cartoon series where a small boy gets hold of a wrist watch kinda gadget with which he can transform himself into 10 different super power characters who all look like some alien. He then faces lot of criminals and most of them came to earth in seek of the gadget to get the power of the gadget. But Ben (the kid who has the gadget) tries to stop them from destroying tyhe earth or get hold of the gadget with helop from his grand father and another small girl. This is the theme of the cartoon. The ten characters are designed in a good manner and are well balanced. Tehy each have unique characteristic and are considered as equal. It is a must watch cartoon.