Good Night Elmer is a Merrie Melodies cartoon short released by Warner Bros. on October 26, 1940, directed by Chuck Jones, animated by Philip Monroe and written by Rich Hogan. The cartoon depicts the ill-fated attempts of Elmer Fudd, in a rare leading role, to extinguish a candle by his bedside so that he can retire for the night, with the flame always surging again in spite of Elmer's best efforts. Elmer finally succeeds, but only at the expense of wrecking his bedroom in the process, and no sooner than he lies down, the sun comes up, precipitating a nervous breakdown in Fudd.
- First cartoon to have changed rings from red and blue rings with a sky or black background to a black background and yellow orangish rings
- Merrie Melodies words on the opening credits have changed since 1937
- Version of "That's all Folks!" in cursive would be kept in this format until 1964. The cursive has changed many times before this cartoon.
- Credits on the title card are the same as Elmer's Pet Rabbit as they are both directed by Chuck Jones.
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