Misbehaving Husbands (1940)

Stars: Harry Langdon, Betty Blythe, Ralph Byrd
Director: William Beaudine

The owner of a department store is threatened with divorce by his wife, who has gotten reports that he's been seen in the arms of a beautiful blonde on the night of their 20th wedding anniversary. He has to find a way to convince her that the "beautiful blonde" in question was actually a store mannequin that he was taking in for repairs.