| # | Title | Written by | Directed by | Airdate | Prod.code |
|---|---|---|---|---|---|
| 107 | "Admiral Jed Clampett" | Paul Henning and Mark Tuttle | Joseph Depew | September 15, 1965 | 4-1 |
| Granny's fear of sharks makes her reluctant to go yachting with the rest of the family. (This is the first episode filmed and aired in color). | |||||
| 108 | "That Old Black Magic" | Ronny Pearlman | Joseph Depew | September 23, 1965 | 4-2 |
| Granny thinks her study of astrology has turned Mrs. Drysdale into a bird. | |||||
| 109 | "The Sheik" | Paul Henning and Mark Tuttle | Joseph Depew | September 30, 1965 | 4-3 |
| Jethro appreciates Arabic culture when Jed's new oil partner, a sheikh, arrives with his harem. | |||||
| 110 | "The Private Eye" | Paul Henning and Mark Tuttle | Joseph Depew | October 6, 1965 | 4-4 |
| Jethro's attempt to become a "double naught spy" unwittingly leads him to foil a bank robbery. | |||||
| 111 | "Possum Day" | Paul Henning and Mark Tuttle | Joseph Depew | October 13, 1965 | 4-5 |
| Mr. Drysdale tries to get the city of Beverly Hills to celebrate Possum Day in order to keep the Clampetts from returning home. | |||||
| 112 | "The Possum Day Parade" | Paul Henning and Mark Tuttle | Joseph Depew | October 20, 1965 | 4-6 |
| Granny campaigns dirty against Mrs. Drysdale for the title of Possum Queen. | |||||
| 113 | "The Clampetts Play the Rams" | Paul Henning and Mark Tuttle | Joseph Depew | October 27, 1965 | 4-7 |
| Jethro's date, Mr. Drysdale's maid, is more interested in watching his color television than in him. | |||||
| 114 | "The Courtship of Elly" | Paul Henning and Mark Tuttle | Joseph Depew | November 3, 1965 | 4-8 |
| Granny's love potion for Elly May affects Miss Jane's boyfriend. | |||||
| 115 | "A Real Nice Neighbor" | Paul Henning and Mark Tuttle | Joseph Depew | November 10, 1965 | 4-9 |
| Mr. Drysdale and Granny try to set Jed up with the new neighbor, but they get her maid instead. | |||||
| 116 | "The Poor Farmer" | Paul Henning and Mark Tuttle | Joseph Depew | November 17, 1965 | 4-10 |
| Jed mistakes a billionaire for a poor farmer, but admires the man's unwillingness to accept Jed's charity. | |||||
| 117 | "Hoe Down a-Go-Go" | Paul Henning and Mark Tuttle | Joseph Depew | November 24, 1965 | 4-11 |
| The Clampetts host a party so Jethro and Elly May can get more friends their age. | |||||
| 118 | "Mrs. Drysdale's Father" | Paul Henning and Mark Tuttle | Joseph Depew | December 1, 1965 | 4-12 |
| Mrs. Drysdale's father feels he can take advantage of the hillbillies' lack of guile in a game of poker. | |||||
| 119 | "Mr. Farquhar Stays On" | Paul Henning and Mark Tuttle | Joseph Depew | December 8, 1965 | 4-13 |
| Mrs. Drysdale's father wants Granny to go to Las Vegas with him. | |||||
| 120 | "Military School" | Paul Henning and Mark Tuttle | Joseph Depew | December 15, 1965 | 4-14 |
| Jethro's new life ambition is to become a five-star General. | |||||
| 121 | "The Common Cold" | Paul Henning and Mark Tuttle | Joseph Depew | December 29, 1965 | 4-15 |
| Granny opens up her own doctor's office after making a batch of her cure for the common cold. | |||||
| 122 | "The Richest Woman" | Paul Henning and Mark Tuttle | Joseph Depew | January 5, 1966 | 4-16 |
| The world's richest woman tries to convince the Clampetts to sell her their mansion. | |||||
| 123 | "The Trotting Horse" | Paul Henning and Mark Tuttle | Joseph Depew | January 12, 1966 | 4-17 |
| Mr. Drysdale gives the Clampetts a racing horse, which Granny uses to ride to the grocery store and back. | |||||
| 124 | "The Buggy" | Paul Henning and Mark Tuttle | Joseph Depew | January 19, 1966 | 4-18 |
| Granny buys a buggy for herself and a horse and buggy for Mrs. Drysdale, so the two women can have races. | |||||
| 125 | "The Cat Burglar" | Paul Henning and Mark Tuttle | Joseph Depew | January 26, 1966 | 4-19 |
| All of Beverly Hills is alarmed by the presence of a cat burglar, and the Clampetts are prime targets. | |||||
| 126 | "The Big Chicken" | Paul Henning and Mark Tuttle | Joseph Depew | February 2, 1966 | 4-20 |
| Granny sees an ostrich and thinks her growing potion has made a giant chicken, and tries to keep it a secret. | |||||
| 127 | "Sonny Drysdale Returns" | Paul Henning and Mark Tuttle | Joseph Depew | February 9, 1966 | 4-21 |
| Granny's prediction that Elly May will soon get married seemingly comes true when Sonny Drysdale shows up and proposes. | |||||
| 128 | "Brewster's Baby" | Paul Henning and Mark Tuttle | Joseph Depew | February 16, 1966 | 4-22 |
| Granny hopes to deliver the Brewster's baby, not knowing it is adopted. | |||||
| 129 | "The Great Jethro" | Paul Henning and Mark Tuttle | Joseph Depew | February 23, 1966 | 4-23 |
| Jethro wants to become a magician after meeting Marvo the Magnificent. | |||||
| 130 | "The Old Folks Home" | Paul Henning and Mark Tuttle | Joseph Depew | March 2, 1966 | 4-24 |
| Granny overworks herself at spring cleaning the mansion, leading her to fear being put in an old folks' home. | |||||
| 131 | "Flatt and Scruggs Return" | Paul Henning and Mark Tuttle | Joseph Depew | March 16, 1966 | 4-25 |
| Lester Flatt's wife dreams of being a singer, but Granny won't let her get away from cooking lessons. | |||||
| 132 | "The Folk Singers" | Paul Henning and Mark Tuttle | Joseph Depew | March 23, 1966 | 4-26 |
| Jethro and Miss Jane team up for a career in folk music. | |||||
| 133 | "The Beautiful Maid" | Paul Henning and Mark Tuttle | Joseph Depew | March 30, 1966 | 4-27 |
| A Swedish actress tries to learn the Clampetts' way of life. | |||||
| 134 | "Jethro's Pad" | Robert Schaefer and Eric Freiwald | Joseph Depew | April 6, 1966 | 4-28 |
| After finding some of Mr. Drysdale's old magazines, Jethro gets a trailer and turns it into a bachelor's pad. | |||||
| 135 | "The Bird Watchers" | Paul Henning and Mark Tuttle | Joseph Depew | April 13, 1966 | 4-29 |
| Miss Jane's date with a birdwatcher inspires Mr. Drysdale to get Dash Riprock to go out with Elly May | |||||
| 136 | "Jethro Gets Engaged" | Paul Henning and Mark Tuttle | Joseph Depew | April 20, 1966 | 4-30 |
| Jethro becomes Dash Riprock's stunt double, gaining the attention of a young actress as well as burned skin. | |||||
| 137 | "Granny Tonics a Birdwatcher" | Paul Henning and Mark Tuttle | Joseph Depew | April 27, 1966 | 4-31 |
| Granny's spring tonic is used to get Elly May and Miss Jane's respective suitors to propose. | |||||
| 138 | "Jethro Goes to College" | Mark Tuttle and Ronny Pearlman | Joseph Depew | May 18, 1966 | 4-32 |
| Jethro attends a secretarial college to get his mind off of girls, while Elly May attends a College of Judo and Karate. | |||||