The film was directed by Frank Tashlin's former Warner Bros. Cartoons colleague Chuck Jones. It was the final animated short subject made by MGM and its subsidiary, MGM Animation/Visual Arts, and also the second-to-last animated project for MGM (The Phantom Tollbooth would be the last).

While mostly the same as the book, the short features slight differences, such as the elderly president of the factory being depicted as a dwarf whose face is never seen, as well as a bear cub also repeating exactly the same claim of the bear being a "silly man" after the zoo bears make a similar claim when the bear is brought to the zoo.

Despite being credited as a producer, Tashlin had no involvement in the short, though Jones credited him only in the hopes of Tashlin receiving an Oscar for Best Short should the short win, which it didn't (in those days, Oscars for Best Short were given to the producers, not the director). Overall, Tashlin was dissatisfied with this adaptation of his book, feeling that it didn't present its original message very well.^[1]

The Bear That Wasn't is available on Looney Tunes Golden Collection: Volume 3, Disc 3 on the "From the Vaults" section, and on the Looney Tunes Platinum Collection: Volume 1 Blu-ray box-set on Disc 3 as a bonus feature. It is also available on the Boomerang subscription streaming service under Volume 6 of MGM Cartoons titled Bear That Wasn't.

The cartoon has been screened as part of MeTV's "Tom and Jerry and Friends" cartoon package on Saturday mornings.

• The Bear That Wasn't at IMDb  
• The Bear That Wasn't at the TCM Movie Database