S1, E11: The Skool is running a candy drive and whoever sells the most chocolate bars gets a mystery prize. Zim becomes obsessed with winning and does everything in his power to achieve his goal. Zim succeeds in his mission but gets an unpleasant surprise. / Zim takes seriously the FBI warning on a video Gir is watching and believes that the mission will be threatened if he doesn't get the movie back to the store on time. Unfortunately, Zim tries to go when the mall is closed and under the watchful eye of security chief Slab Rankle.