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.

Famous Hollywood director Herald Hecuba lands on the island during his world-wide talent search. The castaways put on a musical version of Hamlet in order to impress the director, with hopes that he will take them back to Hollywood when he leaves.

Gilligan is bitten by a bat, and then dreams that he has turned into a vampire. Fortunately the Professor knows about bats (what DOESN'T he know about?!), and is able to identify the bat that bit Gilligan as a common red fruit bat, rather than a vampire bat.

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.

While fishing, Gilligan and the Skipper reel in a briefcase, stamped with the words ""Property of the U.S. Government."" Everyone believes that the case contains top secret government material. Gilligan accidentally handcuffs the briefcase to his wrist, and has a wild dream about secret agents, evil enemy spies, and deadly spy games!

A witch doctor makes voodoo dolls from the Castaways' personal objects, which he has stolen from their huts. Gilligan stumbles upon the hidden voodoo dolls and brings them back to the Castaways. He then fashions a voodoo doll in the likeness of the witch doctor, to fight fire with fire! Even though the Professor was turned into a motionless zombie for a short time, he refuses to acknowledge a scientific acceptance of voodoo.

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.

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.

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

When Gilligan finds an old airplane hidden in the jungle, the Castaways discover a long-forgotten aviator living on the island.

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!

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!

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.

The castaways are revisited by 'Wrongway' Feldman.

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.

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.

The Castaways hear on the radio that the Maritime Board of Inquiry has blamed the Skipper for the Minnow crash. In an attempt to disprove the board's verdict, they reenact the shipwreck themselves, only to find out that the cause appears to be Gilligan's ineptness. Later, a radio update reports that the Board of Inquiry has cleared the Skipper of the charges, as the Weather Service mistakenly read the wrong forecast that morning causing the crew to be unaware of the impending storms.

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.

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.

Gilligan discovers some ancient stone tablets that the Professor thinks may contain the secret of getting them off the island. That night, Gilligan dreams that he is a caveman chiseling a story on a stone tablet three million years ago.

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.

While digging, the Skipper uncovers a carved statue of a Tiki God. He then believes a curse has fallen on him for disturbing the resting-place of Watubi, and that his days are numbered. Gilligan dresses up as Watubi, and performs a special ritual dance that the Skipper believes will lift the curse. It is an earth-shaking experience!

Mr. Howell loses $3 million to Gilligan in a golfing contest. Mr. Howell then tricks Gilligan into trading for a worthless oil well that he owns. When the radio announces that the oil well is a gusher, Mr. Howell sets his sights on winning it back. However, just as he succeeds in winning it back, the radio announces that the gusher was a mistake!

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.