69. Up at Bat
First Airdate: 9/12/1966
After being bitten by a bat, Gilligan is convinced that he is turning into a vampire.
70. Gilligan vs. Gilligan
First Airdate: 9/19/1966
Gilligan can't convince the others that there is a Russian spy on the island and he looks just like him!
Guest: Henry Corden as Commodant (voice)
71. Pass The Vegetables Please
First Airdate: 9/26/1966
Gilligan finds a crate of radioactive vegetable seeds that give the castaways superhuman powers.
72. The Producer
First Airdate: 10/3/1966
Phil Silvers guest stars as Harold Hecuba and the castaways try to impress him by staging their own version of "Hamlet."
Guest: Phil Silvers as Harold Hecuba
First Airdate: 10/10/1966
A witch doctor makes dolls in the likeness of the castaways and casts spells on them.
Guest: Eddie Little Sky as Witch Doctor
74. Where There's A Will
First Airdate: 10/17/1966
Mr. Howell decides to revise his will and leave everything to his fellow castaways. When they throw him a party, he thinks that they are out to kill him.
75. Man With A Net
First Airdate: 10/24/1966
John McGiver guest stars as Lord Beasley, a butterfly collector in pursuit of the elusive pussycat swallowtail.
Guest: John McGiver as Lord Beasley
76. Hair Today, Gone Tomorrow
First Airdate: 10/31/1966
Gilligan and the Skipper mysteriously go bald and decide to live in a cave to avoid the stares of the others.
77. Ring Around Gilligan
First Airdate: 11/7/1966
Vito Scotti guest stars as mad scientist Dr. Boris Balinkoff who controls the castaways with a hypnotic ring.
Guest: Vito Scotti as Dr. Boris Balinkoff
First Airdate: 11/14/1966
Gilligan is having vision problems and there are headhunters on the island.
Guests: Roman Gabriel as Native, Allen Jaffe as Native, Eddie Little Sky as Native
79. The Invasion
First Airdate: 11/21/1966
Gilligan finds an attache case filled with top secret files and has a dream that is Agent 014.
80. The Kidnapper
First Airdate: 11/28/1966
Don Rickles guest stars Norbert Wiley, a kidnapper who holds the women for ransom.
Guest: Don Rickles as Norbett Wiley
81. And Then There Were None
First Airdate: 12/5/1966
The castaways are vanishing one by one and Gilligan, thinking he is responsible, has a dream that he is Dr. Jeckyll and Mr. Hyde.
Guest: Bob Denver as Willy Gilligan
82. All About Eva
First Airdate: 12/12/1966
Tina Louise has a field day as the drab Eva Grubb, who gets a beauty make-over from the girls and ends up looking just like Ginger.
83. Gilligan Goes Gung Ho
First Airdate: 12/26/1966
Law and order is needed on the island so Skipper becomes the sheriff and Gilligan his deputy.
Guests: George N. Neise as Pilot, James Spencer as Copilot
84. Take A Dare
First Airdate: 1/2/1967
Strother Martin guest stars as George Barkley, who is trying to win $10,000 by surviving on a deserted island. Only this island isn't deserted!
Guest: Strother Martin as George Barkley
First Airdate: 1/9/1967
The Skipper is distraut when he hears that he is at fault for the Minnow shipwreck.
86. The Hunter
First Airdate: 1/16/1967
Rory Calhoun plays big game hunter Jonathan Kinkaid, who wants to hunt humans.
Guests: Rory Calhoun as Jonathan Kincaid, Harold Sakata as Ramoo
87. Lovey's Secret Admirer
First Airdate: 1/23/1967
Mr. Howell is sending his wife anonymous love letters.
88. Our Vines Have Tender Grapes
First Airdate: 1/30/1967
Denny Miller guest stars as Tongo, the Ape Man, who is actually an actor vying for a movie role.
Guests: Denny Miller as Tongo the ape man, Janos Prohaska as Ape
89. Gilligan's Personal Magnetism
First Airdate: 2/6/1967
Gilligan becomes invisible.
First Airdate: 2/20/1967
The Professor calculates that a space shuttle will soon be flying over the island. The castaways prepare to get their attention.
Guests: Scott Graham as Tobias, Chick Hearn as Commentator (voice), George N. Neise as NASA Official, James Spencer as Ryan
91. High Man on the Totem Pole
First Airdate: 2/27/1967
After seeing his likeness on a totem pole, Gilligan thinks that he is the descendent of headhunters.
Guests: Al Ferrara as Native, Jim Lefebvre as Native
92. The Second Ginger Grant
First Airdate: 3/6/1967
Mary Ann thinks that she is Ginger after hitting her head.
93. The Secret of Gilligan's Island
First Airdate: 3/13/1967
Gilligan and the Skipper find prehistoric tablets in a cave. Gilligan dreams that the castaways are living in prehistoric times.
94. Slave Girl
First Airdate: 3/20/1967
Gilligan saves the life of a native girl and now she wants to be his slave for life.
95. It's A Bird, It's A Plane, It's Gilligan
First Airdate: 3/27/1967
A jet pack floats into the lagoon. The Professor thinks that there is enough fuel in it to get one of them back to Hawaii.
Guests: Edward Faulkner as Colonel, Walt Hazzard as Air Force Lieutenant, Chick Hearn as Radio Announcer (voice), Frank Maxwell as General
96. The Pigeon
First Airdate: 4/3/1967
Sterling Holloway plays a prisoner who uses his homing pigeon to correspond with the castaways.
Guests: Sterling Holloway as Burt, Harry Swoger as Prison Guard
97. Bang! Bang! Bang!
First Airdate: 4/10/1967
A crate of molding plastic washes ashore and the castaways start using it but are unaware that it is actually an explosive.
Guests: Kirk Duncan as Parsons, Bartlett Robinson as Hartley
98. Gilligan, the Goddess
First Airdate: 4/17/1967
Natives arrive on the island in search of a "white goddess" to feed to their volcano.
Guests: Stanley Adams as King Kaliwani, Mickey Morton as Native #1, Robert Swimmer as Native #2
The castaways must try to readjust to life in civilization after they are rescued from the island.
When a decaying Russian satellite crashes on the island, the Professor uses a key component for a barometer. With that device, he learns that a massive wave is going to swamp the island. In desperation, the castaways lash their huts together into one structure in order to have any chance to ride the disaster out. The wave strikes the island and the hut is swept out to sea. Once there, Gilligan accidents starts a fire trying to cook a meal and nearly burns the floating hut down. Occupied with stopping the fire, the gang fails to notice that the smoke caught the attention of a naval helicopter who summoned a ship to rescue the castaways. In triumph, they return to Hawaii, only to learn that things have changed over the years and they will have trouble fitting in. To further complicate matters, two Russian spies are after that the key component that Gilligan now wears as necklace.