When Van Helsing's mysterious invention, the "Monsterfication Ray", goes haywire, Drac and his monster pals are all transformed into humans, and Johnny becomes a monster. In their new mismatched bodies, Drac, stripped of his powers, and an exuberant Johnny, loving life as a monster, must team up and race across the globe to find a cure before it's too late, and before they drive each other crazy. With help from Mavis and the hilariously human Drac Pack, the heat is on to find a way to switch...

OPEN SEASON: SCARED SILLY opens with Elliot telling a campfire story about the legend of the Wailing Wampus Werewolf that lives in Timberline National Forest. Domesticated Boog is terrified by the story and decides to "chicken out" of their annual summer camping trip until he knows the werewolf is gone. Determined to help Boog overcome his fears, Elliot and their woodland friends band together to scare the fear out of Boog and uncover the mystery of the Wailing Wampus Werewolf.