The citizens of GASI headquarters start disappearing from a bright blue flash and the monkeys plus YAY-OK must save them. They have also turned into princess monsters created by an evil princess named Princess Monstare. Eventually YAY-OK tries to fight her, but she turns into a robot with him and the monkeys must save him and stop her.
| Actor | Role |
|---|---|
 Seán CullenGus, Princess Echo, Cheese Narrator | Gus, Princess Echo, Cheese Narrator |
 Mark EdwardsWally, Inky, Prince Charming | Wally, Inky, Prince Charming |
 David BerniYay-ok, The Babysitter | Yay-ok, The Babysitter |
 Jamie WatsonDr.Chimpsky | Dr.Chimpsky |
 Julie LemieuxPrincess Monstare | Princess Monstare |
 Bryn McAuleySleeping Beauty | Sleeping Beauty |
 Lisa NortonSnow White | Snow White |
 Shoshana SperlingCinderella | Cinderella |