A Day at the Zoo A tour of the zoo, in typical Tex Avery style: a series of one-liners and sight gags, punctuated by Egghead teasing a lion at intervals, despite the admonishments of the narrator. Details Casts Galleries Posters Title A Day at the Zoo Release Date 1939-03-11 Runtime 00 Hours 07 Minutes Genres Animation Family Production Companies Warner Bros. Pictures, Leon Schlesinger Productions Production Countries United States of America Tex Avery... Other Elk Named Bill (voi... Mel Blanc... Egghead / Elk Named Bill ... Robert C. Bruce... Narrator (voice) (uncredi... Original Size (1280x720) Original Size (600x900) Original Size (500x750)