What's the Scoop on Pee and Poop?

Pat the rat has a big question: where does pee and poop go after you flush? There’s only one way to find out—dive into the toilet and follow the water! Join Pat on his underground adventure through pipes and tanks as he meets a friendly sewer rat who shows him the secrets of wastewater treatment. What happens to all that yucky stuff? Can dirty water ever become clean again?