Gravity Falls: The Convenience Store of Horrors (Unabridged‪)‬

When Dipper and Mabel explore an abandoned—and haunted—convenience store with Wendy and her teenage friends, scary things happen...and the teenagers become trapped by ghosts! Dipper confronts the ghosts and dances his way to freedom, but will his dance moves be enough to save his teenage friends—or will they be trapped forever?