This story is crossover on the two horror movies of "The Banana Splits Movie" and "Willy's Wonderland". After the tragic incident from a year ago and her husband Mitch cheated on her, Beth has been raising her two sons Austin and Harley by herself and they moved to Hayesville, but although the boys still wanted a new father that who would be perfect for all of them. Meanwhile, the Janitor was driving his car around until his car breaks down, he agrees to clean an abandoned family fun center overnight in exchange for repairs, he also pairs up with Beth that she from there too. They both soon finds themselves waging war against possessed animatronic mascots while trapped inside Willy's Wonderland and the animatronics are after Harley.

This story is a crossover on the two horror movies of "The Banana Splits Movie" (2019) and "Willy's Wonderland" (2021). The Williams Family attends a live taping of The Banana Splits television series flr Harley's birthday, alongside there is a quiet drifter who is taking the janitorial job at the Taft Studios. But they all didn't know is that they are forced to survive as soon as the animatronics went to go haywire and start a killing spree all around the studio, so Janitor and Beth decided that they both would have to work together in order to stop the animatronics, before it's too late.