A storm washes up a Trans-continental telephone cable up into the lagoon. Once again the Castaways are given hope for a rescue, as the Professor manages to break into the cable and rig up a telephone so they can dial out for help.

An loin-cloth clad ape-man (Tongo) comes to the island, and makes off with their food and supplies. Actually, he is an out of work actor, who tries to convince the Castaways that he is a real uncivilized ape-man while studying for an upcoming role. After he cowers when confronted by a ""real"" gorilla, he leaves the island and the Castaways behind.

Mr. Howell revises his will, and leaves a large chunk of his estate to each castaway. They decide to throw him a party to show their appreciation, but when he overhears them talking about which one of them is going to have to ""cut the pigs throat"" he thinks they are planning to kill him in order to collect their inheritance. Later, he discovers that they have actually trapped a wild boar in an effort to serve him bar-b-que spareribs as a surprise.

Gilligan finds a crate of radioactive vegetable seeds. The plants grow quickly and grossly misshapen, but the Castaways are so hungry for new items in their diet that they consume them quickly. The plants, when eaten, give the castaways super-human powers. Of course, after he realizes that the vegetables are radioactive, the Professor saves the day by making a homemade soup to absorb the radioactivity.

Mr. Howell discovers a gold mine on the island. He then hires Gilligan to work in the mine. When gold fever strikes the castaways and Mr. Howell is unwilling to share the gold, they begin to charge outlandish prices for the supplies and food that Mr. Howell needs. When the professor repairs the life raft from the Minnow, they all climb in hoping to reach civilization. However, the combined weight of the gold that everyone smuggles on-board the raft causes it to sink. Another rescue foiled!

A hurricane is coming, so the Castaways must quickly build one large community hut in which to weather the storm. However, they soon get on each-others nerves, so they later decide to branch out and build individual huts.

A NASA satellite with a TV camera, accidentally lands on the island instead of the intended target: Mars. The castaways try to communicate their S.O.S. when the camera is operational. However, with the help of a Gilligan goof-up, the castaways are covered with glue and feathers, and the NASA scientists mistakenly believe they are seeing the first proof of life on Mars.

During Christmas, the Castaways get homesick and remember the first day they were shipwrecked. When Santa Claus "appears" on the island, many suspect he is the Skipper in costume. However, just as Santa departs while wishing the Castaways a Merry Christmas, the Skipper appears from the other direction.

In a test of a deadly new missile, called "Operation Powder Keg," the Air Force chooses an "uninhabited island" which just happens to be Gilligan's Island. When the rocket lands and does not explode, Gilligan is chosen to crawl inside to defuse it, because he is the only one that can fit inside.

A radio bulletin states that the minister who married Thurston and Lovey Howell (the Reverend Buckley Norris of Boston) was a fraud, and that the Howell's marriage is actually null and void. The stress causes disagreements and separations between the Howells. In the end, it turns out that the radio announcer was at fault: While he mistakenly reported that "Buckley Norris" was the fraudulent minister, he was supposed to say "Borris Nuckley."

Gilligan and the Skipper hear a radio broadcast telling of the collapse of the Howell financial empire. The castaways attempt to help them develop skills in order to compete in the working world.

The Howells plan a party, and Mr. Howell accidentally loses the Skipper's invitation. The others refuse to attend, believing that the Howells have intentionally snubbed the Skipper.

A crate containing coconuts is wrapped in an old Honolulu newspaper that read that one of the Castaways are being sought in a murder investigation. The castaways become suspicious of each other and decide to recreate the events of the night before they sailed, in order to solve the Randolph Blake murder case.

Famous big-game hunter Jonathan Kincaid and his assistant, Ramoo land on the island in search of new game to hunt. Since they have hunted just about every kind of animal on earth, they then decide that the ultimate challenge would be to hunt a human. After much debate, they choose Gilligan as their target, and state that if Gilligan can stay alive for 24 hours, they will rescue the castaways. After Gilligan manages to outwit and outrun the armed hunters for 24 hours, Kincaid does not uphold his promise of rescue for fear they will report him to the authorities.

A drab, plain-jane woman lands on the island seeking privacy. The girls give her a beauty make-over to lift her spirits, and she ends up looking like Ginger's twin. While the castaways were hoping to lift her spirits enough so that she would want to return to civilization (she has a boat, but has hidden the key), she ends up leaving them on the island and going back to Hollywood to attempt to assume Ginger Grant's movie career.

Gilligan discovers a special tree sap that can be used to make a good tasting pancake syrup. Then the professor discovers that the same tree sap also makes a super glue, that may allow the castaways to repair the Minnow. Could it be that the Castaways may finally escape from the island?

The Skipper fears that the island is full of 'voodoo' when he thinks that Gilligan has been turned into a monkey.

The shipwrecked castaways awaken to find themselves marooned on an uncharted island, so Gilligan and Skipper set out on a flimsy raft to find civilization.

The castaways hear on the radio that a plane is going to be flying over their island, but they will be unable to contact them because their transmitter is broken. Gilligan overhears the Skipper dreaming about repairing a transmitter as he sleeps. The Skipper is unable to remember how he fixed the transmitter from his Navy days, so he attempts to have the dream again, but is unable to fall asleep. Each castaway attempts to help by sneaking two tranquilizers into Skippers mango juice. When Gilligan hits the transmitter out of frustration, it suddenly works! However, when he hits it again in an effort to show the other castaways how he fixed it, it falls completely apart just as the plane flies overhead.

The castaways decide that they need someone to be the leader on the island, and so they hold elections. As you might imagine, both Mr. Howell and the Skipper imagine themselves to be the natural choice to lead the Castaways in their island society. However, when the votes are counted Gilligan is elected president of the island! Just as we recently learned in Florida, every vote counts!

The Castaways are captured by a Japanese sailor who thinks that WWII never ended. When the other castaways are captured, it is up to Gilligan to save them.

Lightning strikes Gilligan during Skipper and Gilligan's bowling tournament, and his stone bowling ball becomes molecularly attached to him. The Professor tries to help Gilligan, but ends up causing him to become invisible.

Mrs. Howell starts receiving mysterious love notes, and the source remains a mystery until Mr. Howell is caught in the act. Mrs. Howell dreams that she is Cinderella, and Gilligan is her fairy godfather. The Professor rigs up a lie detector using the ship's horn and batteries from the radio.

Someone kidnaps Mrs. Howell, Mary Ann, and Ginger, and then demands ransom money. The kidnaper turns out to be a compulsive gambler who fled civilization to avoid temptation. While the Castaways attempt to rehabilitate him, he ends up leaving the island, accompanied by Mrs. Howell's pearl necklace, Mr. Howell's wallet, and Ginger's earrings!

The Castaways make a silent movie in the hopes that it will be discovered by someone who will rescue them.

Talk about a painful irony: though surrounded by water, the Castaways suddenly discover that their supply of fresh drinking water is running out. When they pool all available drinking water together and decide to ration it, they discover that they will each receive only a few drops per day. Of course, most of the castaways sneak water from the community supply when Gilligan is standing watch, but return it when the Skipper catches them. Just when all seems lost, Gilligan saves the day!

Gilligan's thinks he is doomed after being bitten by a yellow and green bug. Soon, the other castaways are also bitten by the same bug.

A ghost appears on the island and tries to scare the Castaways off. The castaways turn the tables by dressing in sheets and roaming around the island to scare the visitors off the island.

A U.S. Air Force jetpack washes ashore in the lagoon. After close inspection of the jetpack, the Professor determines that the tanks contain just enough fuel to carry Gilligan to Hawaii. However, that determination was made before Gilligan wasted most of the fuel while proceeding to goof-up several attempts to be discovered and rescued. While flying the jetpack near where Navy search vessels are reported to be lurking, Gilligan is so scared by a radio report of an ""Unidentified Flying Object in the area"" that he blasts higher and hides in a cloud, not realizing that the UFO the Navy ships see is actually him with the jetpack!

A famous painter who has renounced civilization, Dubov, visits the island (with a short-wave radio, of course). The castaways are hopeful that Dubov will give them his transmitter, but soon discover he does not wish to go back to civilization. They must come up with a scheme to make him change his mind, and attempt to make him jealous by pretending Gilligan is an artistic genius.

The Castaways discover a trunk belonging to a magician. They use a magician's props to scare away unfriendly natives from nearby islands.

The Castaways overhear the voices of gangsters discussing buried treasure and threatening their lives. The voices turn out to belong to a parrot, who then leads the castaways to the "treasure" .... a box of crackers!

A gorilla is enchanted by Mrs. Howell's perfume and kidnaps her. After Gilligan accidentally spills the perfume all over his shirt, the gorilla decides to release Mrs. Howell and exchange prisoners.

Gilligan and the Skipper plan to join the Navy when they are rescued. However, when weighing themselves, they discover that Gilligan must gain weight, while the Skipper must diet.

The castaways are revisited by 'Wrongway' Feldman.

Mr. Howell wins all of the Skipper's possessions betting on turtle races. Even when he feels bad and switches the turtles so that Skipper will finally win, he still wins!

After Gilligan saves a beautiful native girl from drowning, she vows to be his slave forever. Later, her ex-boyfriend comes to the island and challenges Gilligan to a duel to the death. The Professor concocts a drug to cause Gilligan to fall into a catatonic state, so that the natives will think he is dead, but they then insist on a native funeral . . . by burning the body!

The Professor sees the arrival of a homing pigeon on the island as an opportunity to be rescued, and immediately begins to feed it a special diet designed to strengthen it so that it can fly again. In an attempt to speed the recovery time, the other Castaways also feed the pigeon, causing it to become too fat to fly. The pigeon is also trapped for a short while in a cave by a ""deadly six-foot black morning spider.""

King Killiwani and two other natives come to the island looking for a 'White Goddess.' Ginger and Mary Ann are likely candidates, until the Castaways discover that the natives plan to take the ""White Goddess"" back to their island to marry a volcano and then be sacrificed into it. After seeing Gilligan in a wig and heels, the natives choose him as the ""White Goddess.""

Mrs. Howell decides to engineer a romance between Gilligan and Mary Ann.

A fall from a coconut tree gives Gilligan an inflated nose and a deflated ego. When Gilligan decides he wants the Professor to perform plastic surgery on his nose, the Professor pretends to perform the surgery, and instead, relies on the recuperation time behind the bandages to allow the swelling to go down. When the bandages are finally removed, Gilligan decides he is happy with his old nose!

The Professor tries to cure the Skipper's amnesia by hypnotizing him and taking him through time.

Erika Tiffany Smith lands on the island looking for a place to start a new resort, and a new husband.

The Castaways are frightened as the sounds of battle, including hand grenades and machine guns, rock the island. The culprit turns out to be a gorilla who has found an old WWII weapons cache.

Handsome surfer Duke Williams rides a giant tsunami to the island. At first, the castaways are excited as Duke thinks he will turn around and surf back to Hawaii (and send help). However, after seeing Mary Ann and Ginger, he decides he may want to stay for a while. The castaways must come up with a plan to make him want to leave for Hawaii.

A crate that washes ashore contains a top secret plastic explosive developed by the US Government. The Castaways make use of the plastic in a variety of objects, including nails for the Skipper, dishes for Mary Ann, jewelry for Ginger, golf balls for Mr. Howell, and even fillings for Gilligan's teeth, unaware that once hardened it becomes a dangerous explosive which will detonate on impact!

Gilligan wakes up with white hair, and thinks he overhears the Professor say that he has a rare disease that has made him age quickly (the disease? ""follicular albinism""). When Mrs. Howell attempts to fix the problem by dyeing Gilligan's hair brown, the dye causes his hair to fall out. A classic line occurred as the other Castaways tried to act as though they don't notice Gilligan's baldness … Mrs. Howell's famous breakfast order: ""I think I'll have a hard-bald egg."" Later, the Skipper exhibits the same symptoms. The Professor determines the problems are caused by the crude bleach that Gilligan and the Skipper have been using while washing the castaways clothing.

A cage containing a lion washes ashore in the lagoon. After Gilligan removes a thorn from his paw, the two become pals. When the Castaways run out of food, however, Gilligan thinks the lion has consumed the Skipper.

The Skipper worries that something is going to happen to him, so he begins to train Gilligan to be a leader. The Skipper then disappears leaving Gilligan in charge, with predictable results!

Lord Beasley Waterford, a famous butterfly collector, lands on the island searching for the world's rarest butterfly, the pussycat swallowtail. While he vows that he will not leave the island until he has found his prey, the castaways eagerly try everything to persuade him to fire his flare gun early. He (like all of the other visitors to the island) leaves without sending help.

Mrs. Howell decides to form a symphony orchestra, to make up for the lack of culture on the island. Gilligan's drum beats, as they drift across the water, hold special meaning to angry natives on a nearby island.

George Barkley enters the ""Take a Dare Contest"". He will receive $10,000 if he can spend a week alone on an island, fending for himself. However, he is not alone on the island on which they drop him. Once again, however, rescue eludes the castaways as Mr. Barkley deduces that he can not tell anyone about the castaways without having to forfeit the $10,000 for not spending the week alone.

Gilligan and the Skipper find an ancient Kupaki totem pole which is topped with a head that looks just like Gilligan. When fierce Kupaki headhunters come to the island, Gilligan must convince them that he is their ""mashuka"" or sacred ancestor.

The Skipper begins to itch and sneeze whenever he is around Gilligan. Soon all of the Castaways appear to be allergic to him. The Professor develops a vaccine, but it doesn't seem to work. It turns out that everyone is allergic to the papaya oil used in Gilligan's hair tonic.

The radio reports that Mr. Howell has been rescued and is spending all of his money. Obviously, there is an imposter! The real Mr. Howell is frantic, and offers a reward to the person who can come up with a plan to get him back to civilization. Meanwhile, the imposter falls off a luxury liner and ends up stranded on (you guessed it!) Gilligan's Island. There the imposter conks Mr. Howell on the head with a coconut, changes clothes with him, and attempts to continue his masquerade as the millionaire.

Mary Ann falls backwards while watching Ginger perform on stage, and, when she awakens, she thinks that she is Ginger. Meanwhile, Gilligan accidentally watches as the Professor attempts to hypnotize Mary Ann, and thus he begins to think that he is Mary Ann.

One by one, all of the Castaways mysteriously disappear. Gilligan then dreams that he is Dr. Jekyll and Mr. Hyde. In the end, Gilligan rescues them from the hidden World War II munitions pit that they have all fallen into.

After Gilligan saves Mrs. Howell's life, Mr. Howell decides to make him his son. He immediately puts Gilligan through basic training to be a millionaire's socialite son (dream sequence), changing the way he walks, talks and dresses. However, Gilligan and the rest of the castaways miss the "old Gilligan."