Horton Hatches the Egg Horton the elephant agrees to watch over lazy Maisie bird's egg while she vacations. Much later, after... Details Casts Galleries Posters Title Horton Hatches the Egg Release Date 1942-04-11 Runtime 00 Hours 10 Minutes Genres Animation Comedy Production Companies Warner Bros. Pictures, Leon Schlesinger Productions Production Countries United States of America Kent Rogers... Horton / Peter Lorre Fish... Sara Berner... Maysie / Baby (voice) (un... Mel Blanc... Mouse / Hunters / Audienc... Frank Graham... Narrator (voice) (uncredi... Robert Clampett... Various (voice) (uncredit... Original Size (1280x720) Original Size (1200x1800) Original Size (1000x1500) Original Size (600x900)