A malfunctioning robot crash-lands in Billy and Mandy’s school! Billy wants to keep it, Mandy wants it out, and Grim is just confused. As the robot starts causing havoc, it’s up to our heroes (and Billy) to put an end to the mayhem!
List of covers and their creators:CoverNameCreator(s)Sidebar LocationRegRegular CoverTroy Little1SubSubscription CoverEthen Beavers2RIRetailer Incentive CoverMaxwell Atoms3
— Description from Comic Vine community (comicvine.gamespot.com).