The Mudman delivers mud to Oscar the Grouch.
- Episode 0297 -- When Oscar puts up "NO" signs all over his trash can, the Mudman sees a "No Salesmen" sign and refuses to sell Oscar his fresh supply of mud.
- Episode 0329 -- When Oscar doesn't need any mud, the Mudman tries to sell some mud to Tom, who only needs dirt and water. After The Mudman tells Tom that dirt and water mixed together is mud, Tom buys two quarts.
- Episode 0365 -- The Mudman gets his own mudmobile.
- Episode 0397
- Episode 1732 -- The Mudman stops at Oscar's regular can for his regular delivery, only to find him gone. Oscar gets his attention and tells him to knock on every can until he finds Oscar, but the Mudman refuses. The only solution is for Oscar to inhabit his regular can.
- The Sesame Street 1, 2, 3 Storybook (1973)
- Big Bird's Busy Book (1975) ("Front and Back Masks")
- Who's Who on Sesame Street (1977)
- The Sesame Street Bedtime Storybook (1978)
- The Sesame Street Dictionary (1980)
- A Day in the Life of Oscar the Grouch (1981)
- Oscar's Rotten Birthday (1981)
- Sesame Seasons (1981)
- City (1982)