The Beverly Hillbillies - Season 2 - Eps 23: The Critter Doctor
Ellie has Dr. Martin of the zoo come over to treat her dog Duke who is sick. But Granny mistakes a bug repellent salesman Jim Gardner, who ends up falling for Ellie, for the veterinarian. Granny thinks he is no "Critter Doctor" but actually a "Bug Doctor" who is there to sell "bug vittles". Granny is taken with Dr. Martin, after finally meeting him.
About The Beverly Hillbillies

Title: The Beverly Hillbillies
First Air Date: 1962-09-26
Last Air Date: 1971-03-23
Status: Ended
Rating: 6.8/10 (from 121 votes)
Language: EN
Seasons: 10
Total Episodes: 274
Network: CBS
Genres: Comedy, Family
Production Companies: McCadden Productions, Filmways Television, Filmways Pictures
Synopsis
Jed Clampett's swamp is loaded with oil. When a wildcatter discovers the huge pool, Jed sells his land to the O.K. Oil Company and at the urging of cousin Pearl, moves his family to a 35-room mansion in Beverly Hills, California.
Cast

Buddy Ebsen
Jed "JD" Clampett

Irene Ryan
Granny

Donna Douglas
Elly May Clampett

Max Baer Jr.
Jethro Bodine

Raymond Bailey
Milburn Drysdale

Nancy Kulp
Jane Hathaway