Dr. Victor Frankenstein IV from Germany visits Mockingbird Heights and brings with him Johann, Herman’s look-alike cousin. Johann is quite primitive and behaves like the Frankenstein monster from the movies. It is up to Herman to try to civilize him and teach him English. Lily is not informed of this; mistaking Johann for Herman, she takes him away for a romantic weekend getaway.

Herman has his ego flattered twice by his family. First, Eddie wants to enter him in the Father of the Year Contest. Next, Marilyn wants to sculpt a clay bust in his likeness. When she tells her art professor that the sculpture represents a living person, he plans to make a bundle from his discovery of a missing link. Herman is summoned to his office for an examination, but he’s under the impression he’s about to receive an award and a bunch of neat prizes.

When Eddie reads a school composition entitled “My Parents – An Average American Family” to his class, his teacher believes the boy is exhibiting symptoms of an overactive imagination. The school principal suggests that Eddie’s wild exaggerations might be motivated by an underprivileged home life. It is decided that a visit to the Munster home is in order.

Eddie gives Marilyn a ring he found in the attic as a birthday present. Grandpa recognizes it as the Fregosi Emerald, a centuries-old ring with a Transylvanian curse. Herman doesn’t believe in such a silly superstition; he is intent on proving that the ring does not bring about bad luck. He quickly regrets trying to do this.

Herman is struck in the head by a bolt of lightning from one of Grandpa’s experiments. It causes him to become so disfigured that he ends up resembling officer Francis Muldoon from CAR 54, WHERE ARE YOU? (or how Fred Gwynne looks without makeup). Lily hopes to restore Herman’s old face with plastic surgery.

The Munsters are heading for a vacation in Buffalo Valley when Herman gets off for a rest stop at Indian Flats. He wanders into the village of an Indian tribe that specializes in luring the tourist trade. The tribe’s eldest member mistakes Herman for an ancient spirit leader.

With inheritance money from Cousin Wolverine, Grandpa and Herman develop an invention for transporting an electrical current without wires. Lily and Marilyn use the rest of the money to operate their own beauty salon. Both endeavors turn out to be disasters, causing various parties to take legal action.

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.

Eddie, an avid fan of ghoulish TV host Zombo, becomes the winner of the “Why I Like Zombo Contest” and gets to be on the Zombo show. Herman becomes jealous of Eddie’s new hero and wants to appear equally outlandish. But his efforts to impress his son fail. Eddie eventually learns that Zombo is not a real person but a phony character played by an actor.

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.

While searching for a fuse box in the dungeon, Herman and Grandpa discover a secret chamber and a clue to the pirate treasure hidden on the Munsters’ property.

Eddie volunteers Herman as a performer for his school’s Talent Night. Since Herman has no discernible talent, Grandpa conjures up a pair of magic ballet shoes that will transform whoever wears them into a gifted dancer. But Herman is uneasy about strapping on this footwear. Fortunately, Eddie already has him billed as the world’s greatest magician.

A lady in Sioux City, Iowa, has placed an advertisement offering a reward for the return of her lost husband, who is Grandpa. Grandpa claims to have never seen this woman before in his life – but when he discovers that she’s filthy rich, he’s ready to sign an affidavit stating that she is his spouse.

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.

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 and Lily want to buy each other an elaborate gift for their 100th Anniversary. Without telling each other, they both take night jobs as ship welders. Since the job requires them to wear protective helmets that conceal their faces, they don’t realize whom they’re dealing with when they start flirting with each other.

Grandpa’s magic transforms Eddie from a rotten trumpet player into a classical music virtuoso. But when he needs to duplicate the potion for a command performance for Herman’s boss, Grandpa can’t remember the exact formula. Eddie is accidentally turned into a jazz-playing, jive-talking hipster.

After Herman has his poetry published in The Mortician Monthly, a shy coworker named Clyde asks him to compose love letters to help him attract the attention of a young lady he’s fallen for. Herman obliges, but soon Lily discovers samples of this mushy writing and becomes suspicious. After a re-enactment of the “hiding in the bushes” scene from CYRANO DE BERGERAC, the object of Clyde’s desire falls for Herman. Meanwhile, Herman mistakenly suspects that Clyde’s object of desire is Lily.

When Herman and Grandpa go to the bank to make a withdrawal, they are mistaken for bank robbers and handed eighteen thousand dollars in cash. When Herman gets home and realizes the wrong he’s done wrong, he can’t rest until he returns the money. When trying to bring it back in the middle of the night, Herman and Grandpa wind up locked in the bank’s vault.

The Munsters’ pet Spot runs away from home and is mistaken for a dangerous monster when he is sighted in the sewer. When Herman goes down the manhole to search for Spot, he too is mistaken for a dangerous monster. The Mayor vows to rid the city of these menaces by using TNT.

After Herman attends an office party that goes on until the wee hours of the morning, Lily locks Herman out of their bedroom and makes him sleep on the sofa. When they are unable to reconcile, Lily and Herman each see a marriage counselor independently.

Herman buys a convertible for Marilyn from a fly-by-night used-car dealer named Fair Deal Dan. Once he gets it home, it explodes into a piece of junk. Herman later finds out that the car is a stolen piece of junk when he is placed under arrest.

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.

After going to the car to find something Herman falls asleep in the back of his car with the keys in the ignition. The car is then stolen by bank robbers who don’t know that Herman is sleeping in the back seat. When Herman wakes up he wanders into their hideout and is thought to be Big Louie, a gang member who has taken twenty years of beatings in the boxing ring. Herman winds up as an accomplice in a bank robbery.

Eddie needs an impressive pet to take to the school pet fair, but Spot, the fire-breathing monster, is too shy to come out of hiding. Eddie decides to take Igor the bat, but Igor is insulted by one of Herman’s wisecracks and flies away. Without Eddie’s knowing, Grandpa changes himself into a bat to impersonate Igor. This causes trouble when Eddie gives Grandpa to another student whose father wants to send him to outer space on a scientific mission.

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 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...

When Eddie is called Lead Foot by the other kids on his track team, Herman offers to become his athletic coach. While demonstrating his out-of-this-world prowess in shot put, discus-throwing and pole-vaulting, Herman causes untold destruction and makes a fool of himself. Grandpa decides to come to the rescue by creating a magic speed pill that will make Eddie a champion runner.

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.

In order to accept a promotion, Herman has to shuffle his family off to Buffalo. Eddie, who happens to be doing great on the baseball team, throws a temper tantrum. Since Grandpa has already sold the house to a wrecking company, the Munsters have no choice but to wage war.

Herman has a twin brother Charlie who is a con-artist. He comes to town and ends up stays at the Munster home, which doesn’t make Herman too happy. Charlie claims to have made an invention that takes uranium from seawater, he’s looking for an investor. Herman thinks that the whole thing is a scheme to get a Lily’s $5000 inheritance, he ends up being right.

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.

Herman becomes insanely jealous of Chester, a mysterious boarder whom Lily has bought into the household in yet another of her schemes to acquire a little extra cash. After searching Chester’s room, Herman concludes that he’s a gangster. In fact, he is a lieutenant for the police department.

Herman is struck by a car. He isn’t hurt, but the car that struck him is totaled. The uninjured driver assumes she has disfigured Herman, and her attorney suggests that she try to settle with him for $10,000. When Herman receives the offer, he wrongly assumes that this is the amount he owes for the damage he caused to the car. He runs away from home rather than face the problem of financial ruin for his family.

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.

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.

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.

Eddie borrows a tape recorder belonging to the disc-jockey father of one of his friends. Herman records a version of DRY BONES, accompanying himself on the guitar. The following day, the disc jockey plays the song on his radio show – and it becomes an instant hit. Herman identifies himself as the mystery singer and quickly turns into an egomaniacal would-be celebrity. Grandpa comes to the rescue with his Nothin’ Muffins.

Grandpa feels neglected and decides to depart the Munster Family. In the beginning Lily and Herman believe this is just a ploy to get attention and they let Grandpa leave, expecting he’ll soon come back. Shortly afterwards, they begin to miss him and try to track him down. The find out he’s doing a magic act at a local nightclub.

In yet another example of Eddie’s misguided regard for his father’s natural abilities, the young Munster enters Herman’s name in the bucking bronco contest at the local rodeo. Lily is unable to talk Herman out of such a dangerous task: he is intent on being a hero to his son in spite of the fact that he’s scared stiff. Meanwhile, the promoters plan to have Herman ride a horse that is guaranteed to break every bone in his body.

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.