It's Halloween and Rudy made a Jill-o-lantern for the school Jack-o-lantern contest. In order to get past Reggie, Rudy goes through ChalkZone but before he can sneak into the contest; Snap takes Rudy to a concert where he loses his Jill-o-lantern. / When researching ChalkZone, Rudy and Penny take samples of a chocolate chip cookie tree to examine, but Snap "eats" them before they can and has a bad nightmare about it. / Snap gets a new cologne and becomes "Irresistible".