I Love Lucy
Lucy and Harpo Marx (4x28)
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Lucy decides to impersonate some Hollywood notables to impress nearsighted Caroline Appleby, who is visiting from New York. A mixup occurs when Lucy, having introduced her friend to "Gary Cooper," "Clark Gable," "Marlon Brando," and "Jimmy Durante," decides to impersonate Harpo Marx just as the real Harpo arrives at the apartment with Ricky.