Season 41, Episode 39 Dirtballs
First Aired: December 29, 2010
Oscar and two other grouches set out to dirty the clean neighborhood, but their attempts backfire.
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- Rating: TV-Y
- Premise: A landmark series set in an ethnically diverse urban neighborhood where every day is a sunny one. It features songs, skits, animation and, of course, Muppets to teach preschoolers basic educational and social concepts. A public-television gem that's older… (more)