Are you ready to put on your cape and save the world? Every weekend, Manny and his best pal Gertie transform into an unstoppable superhero duo. They are mighty, they are smart, and they are not afraid of anything! You have seen them bravely battle invisible roaring lions and defeat stampeding dinosaurs in their imaginations. But today, they are heading to the city park, and they are about to encounter a very real villain. The park is absolutely swarming with nasty litter bugs who are making a terrible mess of nature! Manny and Gertie quickly realize that a true superhero does not just fight imaginary monsters. They must step up to protect their own environment. Watch as these courageous friends use their superhero smarts to clean up the neighborhood. This inspiring and action-packed story will prove that you do not need actual superpowers to be a hero for our planet.