From a long lost world comes two new citizens to New York: Ziggy Pig and Silly Seal! Unfortunately for them, while they've been living the easy life of cartoon characters, their arch-nemesis Toughy Cat has been living in the real world, and gaining immense power! What used to be all fun and games is now deadly serious! Luckily, when Johnny runs across the desperate duo, the Fantastic Four agree to provide a new life, and protection, for Ziggy and Silly, but can even the Fantastic Four stand against a nigh invulnerable feline fury?!!