Season 2, Episode 11 Clean Air

First Aired: April 19, 2011

Sid investigates why his father wears a mask while painting. As a result, he learns about dirty fumes, clean air and pollution, as well as the important role of trees in keeping air clean.

Watch Now

Next On TVSee all »

Cast & Details See all »

  • Premiered: September 1, 2008
  • Rating: TV-Y
  • Premise: A Jim Henson Company production about an inquisitive preschooler named Sid who seeks answers to questions he asks himself, such as why his shoes are shrinking or why bananas become mushy. (more)

Show More »

Watch This

Jeffrey Dean Morgan as Negan, <em style="">The Walking Dead</em>
The Walking Dead: Did you correctly guess Negan's victim? editors break down theories about what's coming up on The Walking Dead