Leave It to Blondie is a 1945 American comedy film directed by Abby Berlin and starring Penny Singleton, Arthur Lake and Larry Simms.

It was fifteenth of the twenty eight series of Blondie films released by Columbia Pictures.

Alvin decides to help them out by submitting a song written by a relative of Bumstead's to a songwriting contest.

Mr. Dithers gets involved when it comes out that the whole thing can help him get a real estate deal.

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