It was a simple day, you were in your "skool", another simple school day. Suddenly, Ms. Bitters tells to you and to the class that they need a new pet hamster, named Peepi, due to the orders of the Skool's board of directors.

After some time, when the hamster arrives, all your classmates stare at new pet with love. Except Zim. He strangely looked at Peepi, like he thought of something in his mind...