Kyle, Stan and Kenny decide to spend the night at Cartman's house with him watching movies like any sleepover. What they don't know is the danger they are going to run throughout the night, since some mysterious children have come to claim something that they possess, and they will not rest until they have fulfilled their mission.

Today is the day! Funtime Freddy and his partner Bon-Bon are decided to look after Big Boss in order to have answers. However, that won't be easy, since going where Big Boss is it's a titanical duty, so they can't do it alone, unless they form a team, THE FUNTIME FIGHTERS OF COURSE! Ready to meet their creator face to face.(Starring Yenndo, our beloved endoskeleton bear).