The Powerpuff Girls: The Power Of Four

While out for a movie day, a mysterious Powerpuff-like girl saves Blossom, Bubbles and Buttercup from a villain. The professor reveals that she is Blisstina, or just "Bliss" for short, and his earliest endeavor to create the perfect little girl. However, Bliss's powers became unstable and began combining with her emotions causing explosions whenever she was happy, sad, fearful or angry.