With most of the Muppets having fun at Kermit and Miss Piggy's annual Halloween party, Gonzo the Great and Pepe the King Prawn have decided to take on an epic fear challenge: spend an entire night in the impenetrable castle of the legendary magician, The Great MacGuffin. As the unsuspecting guests meander through the labyrinthine corridors of the gloomy tower, hoping to rub shoulders with glamorous celebrities, spine-chilling, blood-curdling events occur, forcing them to face their biggest fears. What have Gonzo and Pepe gotten themselves into this time? Will they stay alive in the most dangerous place on Earth, or will they spend eternity in the Muppets' Haunted Mansion?—Nick Riganas