Space dog Luna wants to return home but is stopped by a mad scientist. Mascots help Luna by finding a magic potion on the moon. They gather ingredients from different schools and give it to the scientist, softening his heart. Luna and the scientist travel back to Earth together.
Three sea creatures, a turtle, a fish, and a seahorse, help an angry octopus remove a plastic bag from its leg. The octopus then helps the turtle when it accidentally swallows the bag. Together, they work to clean up the sea and raise awareness about pollution.