The Muppets are invading the Land of Oz.
The famous story of a Kansas girl who finds out the hard way that there's no place like home has been adapted for the Muppets (search).
Kermit is the Scarecrow, Fozzie Bear the Cowardly Lion and Gonzo the Tin Man (or "Tin Thing," as they say here).
Miss Piggy? Why she is the Wicked Witch of the West, of course.
ABC takes great pains to emphasize the movie is based on the 1900 book, not the 1939 Judy Garland film, which strayed broadly from the book.