Empty Nest

My Nurse is Back and There's Gonna Be Trouble... (4x12)

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Harry's old nurse Winifred returns to fill in while Laverne goes out of town, and a war erupts between the two ladies when Winifred reveals that she's out to get Laverne's job. While on a trip to New York with Barbara, Carol manages to annoy the entire planeload of passengers (including a nun).