Bewitched - Season 8 - Eps 13: Three Men and a Witch on a Horse
Endora transforms Darrin into a gambler. Samantha inisists Endora remove the spell. Endora makes more trouble by having Darrin bet on a horse named Fancy Dancer that is bound to lose, and Darrin gets Larry and a client to place all bets on Fancy Dancer. Samantha pops to the stables to talk to Dancer about winning the race for her husband and his friends. In the race, it seems like Dancer is bound to come in last, but he pulls through and wins!
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