Tales from Muppetland: The Frog Prince A retelling of the classic fairy tale of The Frog Prince featuring Kermit the Frog, Kermit's nephew Robin, Sweetums, and a princess cursed to say everything wackbards...I mean backwards. Details Casts Posters Title Tales from Muppetland: The Frog Prince Release Date 1971-05-12 Runtime 00 Hours 50 Minutes Genres Fantasy Family Music Production Companies Unknown Production Countries United States of America Gordon Thomson... Sir Robin the Brave... Jim Henson... Kermit, Garth, King Ruper... Frank Oz... Gawain... Jerry Nelson... Robin, Featherstone... Carl Banas... Sweetums... Jerry Juhl... Taminella, Kay... Trudy Young... Princess Melora... Heather Henson... Prince Kermit... Original Size (1000x1500) Original Size (500x750)