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.
Batman evades the attacking tiger thanks to his utility belt. First, he scales the wall. Then, he uses a sonic device "to split the tiger's skull," as narrator William Dozier informs us. The hero still has to free Robin, who is facing a separate death trap. Once that task is completed, the Dynamic Duo are back on Catwoman's trail. It turns out the feline villain is after the lost treasure of Captain Manx, which is in a remote spot outside of Gotham City.
Catwoman initiates a series of thefts that cause Commissioner Gordon to summon Batman and Robin. But the importance of the crimes go beyond the taking of the objects involved. The Dynamic Duo eventually find Catwoman's lair. But Robin is whisked away while Batman is given a choice between two doors. If he picks the right door, he'll find Catwoman. If he picks the wrong one, he'll face certain doom. The hero makes the wrong selection and is about to be attacked by a tiger.
Dr. Smith is conscripted as the leader of a people from another world. Little does he know that the leaders of these people are routinely sacrificed and replaced with other expendible leaders. Smith is just one of a long line of sacrificed rulers.
Kimble is hired as a chauffeur by Geoffrey Martin, a 17-year-old violinist whom has grown weary of his career and would like to stop playing professionally for a few years when he decides to go away to college. But Geoffrey's demanding guardian/instructor, Max Pfeiffer, refuses to let Geoffrey go because under a contract, Geoffrey is obligated to continue performing until he is 21. In order to ""free"" himself from Mr. Pfieffer, Geoffrey manipulates his assistant, Ellen, and Kimble into believing that Mr. Pifieffer is emotionally destroying him.
In Sicily brothers Enzo (Harry Guardino) and Tonio (Sal Mineo) kidnap Paul in order to finance Enzo's marriage to Marta (Marianna Hill).
Andy and Helen try to play matchmaker for Howard Sprague, the county clerk, but his mother wants to keep him close to home (and to her).
Perry must defend a goofy, untalented British kid whom someone thinks has the talent to be a pop singer but in reality couldn't get in the door of American Idol. Then someone bumps off a shady promoter and the would be pop idol gets blamed.
The Claw is back, and planning to lead Max into his deadly trap. His scheme leads Max and 99 to San Francisco as they follow a Chinese agent (Number 3) in the hopes that this will lead them to Number One (Claw), the mastermind behind a smuggling operation that uses a laundromat as facade (though the real money is actually in the laundry). However Max gets help from Harry Hoo, a chinese police inspector with a keen eye for detail and two possibilities to explain anything.
Billy has always looked up to his brother Ed. During a robbery gone wrong, he is arrested. Matt begins to open Billy's naive eyes when his brother tries to free him from jail.
The new woman in Roger's life Madame Zolta is a clairvoyant fortune teller. Planning to reveal her fraud, Tony arranges a seance.
With the Ark infected with a cold virus, the Doctor must convince the Guardians to trust him so he can find a cure.
A doctor is summoned to examine Kitty Kat, the ailing lion pet of the Addams Family. Morticia soon decides that it is the cringing doctor who needs help, so human members of the family feign illnesses to build his confidence.
After a startling, deadly new German weapon (a secret, noiseless aircraft) has been brought to Stalag 13 for testing, Hogan's gang must do their best to tarnish its image.
When Fred feigns a headache to get out of violin recital, Wilma invites her old flame Wilbur, who still carries a torch for her. Jealous Fred follows them to a dance, along with Barney and Gazoo. Fred asks Gazoo to change Barney into a dance partner, so he can make Wilma jealous in return.
Hot water spurting from beneath the island pleases the castaways as they can now have hot water piped to their huts. However, the hot water also concerns the professor since it means that increased volcanic activity may be imminent. The Professor saves the day by making a bomb from ingredients found on the island (of course!) to spike the volcano.
Endora babysits Tabitha while promising to abstain from witchcraft, but she soon breaks it when Gladys starts ranting and raving about how smart her baby nephew is. Endora has had enough and uses magic to make Tabitha talk! Word gets around and every newspaper in the world is after a story about the extraordinary baby. Samantha and Darrin get really angry at Endora and to clear things up, Endora reveals that she is a ventriloquist.