On Halloween night, Gonzo and Pepe are challenged to face their fears and stay in the Haunted Mansion until sunrise, encountering many frightening, funny, and perhaps a little familiar phantoms over the course of their stay. This spooky musical adventure stars the lovable Muppet duo as they navigate the mansion's ghostly inhabitants, including the Caretaker, Madame Pigota, and the Hitchhiking Ghosts. With their bravery tested and their fears faced, Gonzo and Pepe must work together to outsmart the ghosts and escape the mansion before dawn breaks.