The Adventures of Elmo in Grouchland (1999)

A tug-of-war between Elmo and his friend sends his blanket to faraway Grouchland, a place full of grouchy creatures and the villainous Huxley. Elmo embarks on a rescue mission, learning important lessons about sharing and responsibility.

Director: Gary Halvorson

Cast: Kevin Clash, Mandy Patinkin, Vanessa Williams, Sonia Manzano, Roscoe Orman, Fran Brill, Stephanie D'Abruzzo, Dave Goelz, Joey Mazzarino, Jerry Nelson, Carmen Osbahr, Martin P. Robinson, David Rudman, Caroll Spinney, Steve Whitmire, Alison Bartlett, Frank Oz, Ruth Buzzi