Bewitched (1964)

S3E33 There's Gold in Them Thar Pills

Darrin is suffering from a nasty cold, so he visits Dr. Bombay for treatment. The doctor prescribes a peculiar set of pills that unfortunately come with a bizarre side effect—Darrin's voice becomes unnaturally high-pitched! As he navigates the challenges of his new vocal quirks, hilarity ensues, leading to unexpected situations and misunderstandings.