The Beverly Hillbillies - Season 3 - Eps 7: Back to Marineland
Jethro wants to serve his country as a 007 spy. When he is dissuaded from this, he has to decide what branch of the military to join. Granny gets him to join the Marines because she still wants to catch the whale she saw a year ago.
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