Chibi-Robo!: Park Patrol

A pollution epidemic is transforming the local park into a contaminated wasteland. It's up to Chibi-Robo to return the park to its former glory and defeat Sergeant Smogglor, champion of all things toxic and gross. With his trusty squirter and boom box in hand, Chibi must raise flowers, defeat noxious Smoglings and save the world.