Tracking down every single Looney Tunes short can be a challenge due to licensing, restoration projects, and cultural sensitivities regarding certain wartime shorts. However, the vast majority of the catalog is highly accessible:
made his official, fully realized debut in A Wild Hare (1940), directed by Tex Avery, uttering his famous catchphrase: "What's up, doc?" 3. The Golden Age (1940–1959)
4. The Late Theatrical Era and DePatie-Freleng (1964–1969)