When a thunderstorm knocks out the power at Foster’s, the gang organizes a game of pretend. Goo – who pretends to be an international pop star – gets upset when the boys do not want to play with her, so she make-believes a gang of villains that will force them to listen to her imaginary concert. In her sleep, Goo accidentally makes all her villains come alive. Now, she must finish the game to save her friends from her own creations.