Cootie Wars

When Dee Dee sends her evil, icky girl cooties to invade Dexter's lab, the boy genius knows no cootie shot can possibly protect him. There's only thing to do do: declare WAR! Dexter's got the perfect plan to take his sister down – he'll create his own super-strength boy cooties! This is it: the duel that will bring their sibling rivalry to its peak. And Dexter's determined to win, one cootie at a time.