Where Did the Water Go?

시즌 2, 에피소드 6: While brushing his teeth, Sid wonders what happens to all the dirty water when it goes down the drain. At the Science Center, Sid and his friends explore how water travels in and out of our homes through pipes. Plus, Sid and his friends learn that we can only use fresh water, and there aren't a lot of fresh water sources in the world. That's why it's important not to waste water!