When Dogday discovers Catnap has a deep dark secret, he tries to warn his Smiling Critters friends Kickin' Chicken and Bobby Bearhug. But will he be able to protect his pals from the evil Prototype?!

After Frowny Fox is bullied by the other Smiling Critters, Hoppy Hopscotch tries to protect him. Unfortunately, an accident throws him into the Playtime Co. furnace. Inside, Frowny Fox is corrupted.