Members  of a nearby island tribe arrive on the island in search of a female to sacrifice to their volcano god, in hopes of a possible rescue, the castaways try to provide them with one.

The navy has a crate of plastic explosives washed overboard and Gilligan finds it. The castaways make all kinds of things out of it before discovering what it actually is.

When a injured homing pigeon is found on the island, the castaways hope the bird will lead to their rescue when they start communicating with it's keeper.

Gilligan finds a Buck Rogers style jet pack that was lost by the navy. The professor works to make fuel for it so they can be rescued from the island.

An island girl declares she is Gilligan's slave forever after he saves her from drowning.

Gilligan discovers an incomplete stone tablet with hieroglyphics on it. The Professor interprets the markings to be a map of how to get off the island. The castaways then search all the caves on the island for the missing pieces of the tablet.

After accidentally knocking herself out, Mary Ann revives thinking she is Ginger.

While taking the Howells for a drive, Gilligan discovers a head hunter totem pole with a replica of his head on it. Later the castaways are taken prisoner and Gilligan has to save them.

The professor determines that a manned space capsule will pass over the island, then they start figuring out ways to get the astronauts attention.

Gilligan is hit by lightning and gets a stone bowling ball stuck on his hand. While the Professor and Skipper are trying to get the rock off, the rock is struck by lightning and Gilligan turns invisible.

A mysterious ape man appears on the island and steels food,  supplies and Ginger.

Mr. Howell becomes upset with the rest of the male castaways when Lovey starts to find mysterious love notes under her pillow from a secret admirer.

After a big game hunter lands on the island, he decides to hunt the ultimate prey. Gilligan is then chosen as the one most likely to give a good hunt.

The Skipper becomes depressed after hearing a bulletin on the radio that blames him for the loss of the Minow and the stranding of the castaways.

A man takes a dare in a radio contest and allows himself to be marooned on the island for a week in order to win $10,000.

After the castaways decide that they need law and order on the island, Gilligan goes overboard when he is elected to be the Skipper's deputy.

The castaways work to help a plain woman who has arrived on the island to gain confidence in herself after a failed relationship so she will help them get off the island and return to civilization.

The castaways start disappearing one by one, since at first Gilligan is the only one who is with the women and he starts to think he is the cause of their vanishing. He then has a Dr. Jekyll and Mr. Hyde nightmare.

The Skipper finds a note saying Mrs. Howell has been kidnapped, Mr. Howell pays the ransom and she is returned. They then find out that all the women on the island are going to be kidnapped again and again.

Gilligan catches a old brief case while fishing that has U.S. Government Top Secret stamped on it and handcuffs on the handle. The castaways start speculating what the briefcase may contain.

When Gilligan has vision problems, special berries are needed to restore his vision, meanwhile the castaways are unaware of headhunters that have arrived on the island.

Mad Doctor Balinkoff returns to the island and uses the castaways without their knowledge as part of his plan to rob Fort Knox.

After Gilligan's hair turns white over night, he believes he is becoming an old man.

A world famous butterfly hunter comes to the island and promises the castaways he will help them get off the island if they help him find and catch a rare butterfly.

Mr. Howell revises his will, leaving each castaway a piece of his valuable estate, then thing take a turn when a series of strange accidents aimed at Mr. Howell start to happen.

Gilligan causes problems for the rest of the castaways when he discovers a cave that is full of sacred native artifacts. Things get complicated as a native Witch Doctor who is visiting the island, starts to punish the group for taking and using the items.

Harold Hecuba, a movie producer is shipwrecked on the island and the castaways try to get him to to help rescue them. They then end up putting on a musical to get his attention.

While fishing Gilligan reels in a crate of vegetables. The castaways are astonished at some of the properties of the vegetables until they discover that they are radioactive.

Gilligan keeps seeing his double and the rest of the castaways do not believe him.

Gilligan is bitten by a bat and becomes obsessed with becoming a vampire because of it. He moves away from the rest of the castaways into a cave on the other side of the island. Gilligan then has a nightmare about being the Count living in a castle in Transylvania.