Nickelodeon's zany boy wonder Jimmy Neutron returns with Attack of the Twonkies. This time out, our little Einstein returns from a long voyage in space with a cute, little alien in tow. But not all is what it seems when the alien quickly grows into a terrible beast with an insatiable appetite for destruction! Once again, it is up to Jimmy Neutron to save the day. Before time runs out for planet Earth, you'll have to invent brilliant gadgets and strategies to capture and contain your unpleasant alien surprise.