The 50 Greatest Cartoons by Jerry Beck listed What's Opera, Doc? as the number one favorite animated film as voted by 1000 animation critics, artists and aficionados. Documented on page 35 of The Fifty Greatest Cartoons and on pages 116 and 117 in Steve Schneider's That's All Folks! The Art of Warner Bros. Animation this intriguing pre-production color model study is a rare, behind-the-scenes look into the detail and artistry that made this film so great.