Bewitched - Season 2 - Eps 6: Take Two Aspirin and Half a Pint of Porpoise Milk
As a result from a black Peruvian rose, Samantha starts getting sick and loses her powers. She ends up getting green spots all over her face and needs a remedy with a rare ingredient, an ostrich feather. Just when you think that getting the ostrich feather was all they needed, it turns out that they also need the petals of the dreaded rose to make Samantha feel better again.
About Bewitched

Title: Bewitched
First Air Date: 1964-09-17
Last Air Date: 1972-03-25
Status: Ended
Rating: 7.861/10 (from 695 votes)
Language: EN
Seasons: 8
Total Episodes: 254
Network: ABC
Genres: Sci-Fi & Fantasy, Comedy, Family, Drama
Production Companies: Columbia Pictures Television, Screen Gems
Synopsis
Samantha Stephens is a seemingly normal suburban housewife who also happens to be a genuine witch, with all the requisite magical powers. Her husband Darrin insists that Samantha keep her witchcraft under wraps, but situations invariably require her to indulge her powers while keeping her bothersome mother Endora at bay.
Cast

Elizabeth Montgomery
Samantha Stephens

Dick Sargent
Darrin Stephens

Agnes Moorehead
Endora

David White
Larry Tate