Leo Durocher, manager of the Los Angeles Dodgers, needs a power hitter for his team. When he gets conked on the head by one of Herman’s line drives from seven blocks away, he believes he has his man. He tracks Herman down and asks him to try out for the team. After Herman demonstrates his powerful force as a batter, Durocher comments: “I don’t know whether to sign him with the Dodgers or send him to Vietnam.”

Eddie, under the impression that his father is the greatest driver in the world, volunteers Herman in a drag-strip competition. After souping up the Munster Coach and dressing up like Marlon Brando in his Wild One days, Herman loses his car in a drag race. In a rematch, Grandpa races in the Dragula, a motorized coffin on wheels.

Herman is suffering from insomnia. The only thing that will make him sleep is a late-night walk in the park. A 'monster' type creature has been spotted in the park at night and Lily would prefer if Herman would stay home. What she doesn’t know is that the monster is Herman!

Herman wants to go to a reunion with his army friends. Unfortunately he can’t seem fit into his uniform. Lily doesn’t want him to go, but decides to make a deal with him. If he can lose enough weight to fit into the uniform, he can go...

Herman goes to the dean’s office of Marilyn’s college to straighten out a tuition matter. When searching for the office, he wanders into the gym and is mistaken for a student basketball star who is expected for a tryout. Herman amazes the coach with his superhuman abilities and is offered a contract to play for the college team.

Herman goes out each night in order to practice becoming a real detective. Lily thinks he’s having an affair with another woman and hires the same detective agency Herman is working for to have Herman followed. In a Plot twist Herman gets the assignment to follow himself.

A pair of con artists want to stage a phony accident as an insurance company scam. All they need is someone to play the part of the victim – preferably a big stupid guy with a face that looks as if it’s been in an accident. When they stumble upon Herman, they realize they’ve found the perfect guy. Posing as a couple of movie producers, they get him to sign an accident policy by pretending it’s a movie contract for a remake of DOUBLE INDEMNITY. As the crooks devise various ways to kill off their leading man, Herman becomes a stuck-up actor.

Herman purchases ten acres in Happy Holiday Valley through a magazine ad. It turns out to be a patch of wasteland in a broken-down ghost town, so the Munsters absolutely adore it. This makes things difficult for the fly-by-night salespeople who get a better offer for the property and want to buy it back.

Herman saves the life of a young boy, Galen Livingston Stewart, by bending the bars his head is stuck between. They immediately become close friends. The only problem is that Galen’s parents think Uncle Herman is a figment of the boy’s imagination. They take him to a psychiatrist, played by Harvey Korman with a broad German accent.

Grandpa mixes up a love potion designed to make the opposite sex fall madly for anyone who drinks it.

Herman and Grandpa overhear Lily and Marilyn talking and somehow get the idea that Lily is pregnant. What’s really happening is Dr. Dudley’s son, Elmer, is coming to stay with the Munsters while Dr. Dudley and his wife are on vacation.

Thanks to a recommendation from an investigator of The Board of Education, Eddie is in danger of being expelled from school. The only way he can stay is if he makes an excellent project for the school’s Science Fair, so Grandpa helps him make a robot.

Herman becomes a professional wrestler called The Masked Marvel. After he shows that he has superhuman strength to a friend of Eddie’s who is the son of a pro wrestling manager. Herman uses the extra cash to save for Eddie’s college education. However Herman is so nice and gullible his opponents can take advantage of him.

Marilyn has insomnia and in a attempt to cure it, Grandpa accidentally gives her a Sleeping Beauty potion instead. Now Marilyn can’t wake up unless she has been kissed by a prince. Lily and Herman advertise for a prince in classified section the newspaper, but this only attracts a couple of out-of-work actors. Meanwhile, Grandpa is negotiating with an oil company for the rights to use his magic pill that turns water into gasoline.

When Herman fools around with a ham radio in Grandpa’s dungeon, he thinks he’s contacted Martians. But he is actually speaking to two kids who are fooling around with walkie-talkies and just pretending to be Martians. The kids think Herman is also a kid, and a stupid one too.

The Standells, a rock group from Hollywood, are in town for a club appearance. They want a secluded place to stay in order to escape from their screaming teenage fans. Their manager pays an exorbitant fee to the Munsters to use their house for the weekend. The Munsters pack up and relocate to a hotel, but they can’t get adjusted to its cleanliness and normality. When they arrive home prematurely, they find The Standells singing, “I Want to Hold Your Hand”, and throwing a wild party filled with far-out beatniks and hipsters. The Munsters are initially shocked, but soon find that they fit in with these freaky people – who never once question their unusual appearance.

The Munsters win a membership to the highly exclusive Mockingbird Heights Country Club. The membership board wants to get a close look at the family to see if they measure up to their standards, so they invite Lily and Grandpa to a fashion show. Meanwhile, Herman is invited to play golf. While Lily and Grandpa stand out like a couple of freaks, Herman sends golf balls soaring like missiles and wreaks havoc on the putting green. Afterwards, the Munsters decide that the club doesn’t meet their own standards.

The Munsters receive $180,000 in gold doubloons from Uncle Gilbert in Transylvania. When their bank’s assistant manager arrives to pick up the money for deposit, he instantly falls in love with Marilyn. Grandpa and Lily do their best to encourage the romance, not realizing that this gentleman is only after Marilyn for her doubloons.

Herman arranges to meet Marilyn at the natural history museum. But he accidentally gets himself locked inside an Egyptian sarcophagus, whereupon a sleeping pill he swallowed earlier takes effect. A pair of museum curators open the box the next day and mistake the sleeping Herman for an ancient mummy. When Lily reads about their supposed scientific discovery in the newspaper, she goes to the museum and requests that the curators put Herman in a cab and send him home as soon as he wakes up.

Fearing that she is not useful around the house, Lily searches for a job. She eventually lands a position as a fashion model, causing Herman to become wildly jealous as he entertains fantasies about the suave men she’s liable to mingle with. With Grandpa’s help, Herman transforms himself into a swinging playboy. Grandpa, in a disguise, poses as his beautiful blonde girlfriend.

Marilyn’s boyfriend, Tom Daily, invites the Munster clan to a masquerade. Eddie remains at home with Mrs. Morton as his sitter. Marilyn goes as Priscilla, Lily is Little Bo Peep, Grandpa is Napoleon and Herman is King Arthur in a suit of shining armor.

The gas company wants to run a pipeline 25 feet under the Munsters’ house. However, at that depth it would run through Grandpa’s dungeon lab...

The Munsters have been chosen by Event Magazine as the average American family. Grandpa is insulted by being labeled “average”. He disappears, jeopardizing the family’s photo opportunity and the large amount of prize money that came with it. When a journalist and photographer arrive at the Munster home, Herman and Lily think they are burglars.

Lily thinks that Herman has lost all his savings through a bad investment – when in fact he loaned it to her brother, the Wolf Man. She decides to build-up the family’s funds by taking a palm-reading job in a tea room. In a plot twist Grandpa and Herman suspect that Lily is sneaking out of the house to have a love affair.

Herman takes the family on a camping trip in a national park. After a dinner by the campfire, Grandpa hears the howls of the wolves and remembers his days in the old country. The next morning, Grandpa is missing. Lily realizes that he changed himself into a wolf to roam the woods with his canine friends. When she hears a news report about the capture of a rare Transylvanian wolf, Lily goes to the authorities to reclaim her father.