Tom chases Jerry all over their house, while Jerry foils Tom's plans to catch him. Tom breaks a lot of things in the house, while chasing Jerry, but that's when Mammy steps in. Mammy is Tom's owner. She tells him that if he breaks one more thing in the house, she's going to throw him outside. So, Jerry knocks over a lot of things in the house to make Mammy think Tom did it, and kick him outside. Tom tries his hardest to keep all these things from falling, so he won't be thrown outside.

Jerry decides to have a midnight snack. And what better than to have some nice, fresh cheese! He takes some from the fridge, but before he can eat it, Tom chases him for it. After breaking a lot of things, when chasing Jerry, Mammy hears the noise and comes down in a huff. Scared, Tom throws Jerry into the fridge to hide him. A bit later, Mammy finds Jerry in the fridge. She gets really angry, and throws Tom of out of the house. While Mammy is doing that, Jerry grabs the cheese, and finally eats it.

It's Christmas Eve. Jerry sees a present wrapped in the shape of cheese.

On the radio, Tom listens to "The Witching Hour" that tells scary stories that almost give Tom a heart attack. After seeing Tom's reaction to the radio show, Jerry schemes a way to scare Tom. He moves everything in the house to make it seem like a ghost is in the house. Jerry does everything he can to give Tom a good spook. Tom gets so scared by all the strange things going on that he faints. Later, he finds out that Jerry was the one behind all this, so he chases him around the house. Accidentally, Tom attacks Mammy instead of Jerry, and she, once again, throws him out of the house.

Tom is chasing Jerry when Jerry accidentally runs into a sleeping bulldog, who then becomes a common enemy for both Tom and Jerry. The bulldog, later named Spike, chases both Tom and Jerry, forcing them to temporarily put aside their differences to deal with the new threat.

Mammy brings home a cute little kitten who just happens to be a girl. Immediately when Tom sees the kitten, he is smitten. Tom tries to act cool around the kitten, and he gives her presents (such as fish). Jerry wants to ruin this.

Tom and Jerry are at the bowling alley. Tom, repeatedly, tries to run over Jerry with his ball. He misses Jerry every time he rolls. Jerry gets back at him by putting the bowling ball on his foot, tying it to his tail, making it hit him when it rolls, etc.

Tom chases Jerry on a farm, and Jerry hides by a hen. The hen is startled by Tom, so she hits him hard. Jerry dresses himself as a chick, and acts like he's one of the hen's. The rest of the chicks think Jerry is just another one of them. While Tom runs away from the hen, Jerry settles in by the mother and her chicks.

Jerry is being chased into an alley, and is seen by an alley cat. The alley cat wants to eat him, but Tom steps in, and says that's his mouse. The two cats fight each other for Jerry, as he runs away trying to hide. The alley cat says to share the mouse, but Tom wants Jerry all for himself. So, they race to see who will catch Jerry first.

After being framed by Jerry for breaking something, Tom is thrown out of the house by Mammy. Jerry is overjoyed that he has finally won. He sleeps in Tom's bed, drinks his milk, and makes himself comfortable in Tom's place. After a while, Jerry gets really bored and lonely over the fact that no one is chasing him. There's nothing to do. So, Jerry goes outside to find Tom, and Mammy screams for Tom to get the mouse out of the house. Tom chases Jerry all over the house for pretend to satisfy Mammy. Once Tom claims his territory again, Jerry comes back and makes Tom angry. And the chase starts all over again. Jerry is glad to have the excitement back.

Tom is attacking Jerry with everything that's in the house. He throws vases, paper airplanes, lamps, and anything he can get his hands on to get Jerry. Basically, it's like a war is going on. Jerry retaliates by using a cheese grater, and using fireworks to fight Tom back with. (I.E. Yankee Doodle Mouse) They do the same thing fighting back and forth for the rest of the episode. It ends with Jerry winning the battle, as he blows up Tom using the fireworks, turning him into an American Flag.

A little girl is dollying up Tom to make him look like a baby cat. Jerry laughs at him, prompting Tom to chase him around the house into a dollhouse. Jerry dresses up like a doll to escape from Tom, without him noticing. Jerry shows the alley cats from outside the way Tom looks, and they laugh and make fun of him. The alley cats come in the house, and dress Tom in diapers and REALLY make him look like a baby. That's when the little girl appears, and makes the alley cats leave in a hurry. The little girl continues to turn Tom into a baby cat, while Jerry and the alley cats watch while laughing at him.

Tom gives Jerry, as a present to a girl cat he really likes. The girl doesn't accept the gift, and Tom goes back to the house with a pout. He hears on the radio about a zoot suit. Tom cuts out and sews together a very tight and nice-looking suit. He goes back to the girl cat's house, and as soon as she sees Tom's new suave look, she swoons. Tom acts like Charles Boyer, and he makes the girl fall in love with him. Jerry sees he has to ruin this. He does something to anger Tom, which makes him chase Jerry around the house, and tripped into a fishbowl. The suit shrinks to Jerry's size, and Jerry wears it. He takes Tom's place, and acts like a mini Charles Boyer to the girl cat.

The usual chase is going on between Tom and Jerry, until a letter arrives. Tom reads it and finds out that he inherited one million dollars by one of his uncles! He cheers in happiness, until Jerry reads it, and points out one detail that Tom missed. Tom can't harm any living thing - not even a mouse! Jerry rejoices the inheritance because since Tom is not allowed to hurt any living thing, it means he can get away with doing anything he wants without Tom fighting back. Jerry proceeds to torture Tom by taking advantage of his new life, sleeping in his bed and eating all of his food. Finally, after Tom loses his breakfast and gets a pad of butter in the eye, he loses it and begins to beat up Jerry. He then says, "Gee, I'm throwing away a million dollars... BUT I'M HAPPY!!"

In a heroic effort, Jerry rescues Spike from the dogcatcher. Spike thanks him by telling him to whistle whenever he needs help if Tom chases him.

Tom chases Jerry right into a dog pound. Jerry makes himself comfortable once there, knowing that Tom will never follow him in. Tom thinks of something, though. He puts on a dog mask, and acts like a dog, going into the pound. After chasing Jerry for a while, he tells all the dogs that Tom's really a cat under the mask. All of the dogs chase Tom out of the pound.

Tom starts to read a book called "How to catch a Mouse". Although, the traps are set for Jerry... the clever mouse thwarts Tom's plan to catch him, and Tom goes through all the traps in a brutal way.

Tom hits Jerry with a hammer, and is used as a servant for his new girlfriend. Tom dresses Jerry up as a waiter, and makes him do whatever he says. Jerry starts to fight with Tom, and Tom does the same. His girlfriend is turned off by all this. So she leaves, as the cat and mouse go back to the usual fighting.

Jerry decides to move out of the country, and into the big city. He writes a note for Tom, telling him about his departure. He arrives in the city to have bad luck everywhere. He is chased by traffic, chased by cats, hit with different things, and is shot at by the police. Jerry knows that the city is just not for him. He goes back to the country, and tears the note he wrote for Tom to shreds. It's good to be home.

Tom and Jerry are at a golf course. Tom uses Jerry as a tee. After playing atrociously, and getting hit with a ton of golf balls, he is attacked by everything on and off the course. Jerry, of course, does whatever he can to get back at Tom for using him as a tee.

Tom has Jerry caught. He is just ready to eat him, when an eagle comes in, and takes Jerry away.

After Tom chases Jerry around the house, and makes a ton of noise, a grumpy Spike tells Tom that if he hears one more thing, he will do his worst.

Tom is in love with his new girlfriend, a white cat. He makes her feel special, as he gives her little kisses, etc. Mischievous little Jerry thinks of something to break up the new couple. He writes a fake letter to an alley cat, telling him that the white cat has fallen in love with him. Once the alley cat sees Tom with her, trouble stirs.

A lost baby mouse is found by Jerry. His name is Nibbles. He's always hungry, and eating anything he can get his teeth into. Jerry takes care of the baby, while he does his best to keep him far away from Tom. But Nibbles' hunger gets the better of him, when he proceeds to drink Tom's milk. Tom chases Nibbles around the house, as Jerry tries to save him, repeatedly.

When Tom loses his patience with chasing Jerry constantly, he hires a mouse exterminator (Butch) to get rid of Jerry once and for all. Once Butch arrives, everything goes according to plan... but not for long. Jerry quickly gains the upper hand, backfiring all capture attempts upon both Tom and Butch.

It's a moonlit night, and Tom wants to impress a cute female kitten (Toodles). So he brings a guitar, ties up Spike, the one guarding Toodles' property, and plays a serenade for Toodles. Unfortunately for Jerry, who happens to dwell close by, the serenading disturbs his sleep. More annoyed than ever, he decides to do all he can to ruin Tom's night.

It's beautiful day at a lake... one that's surrounded by a fence that's plastered all over with "keep out" and "no fishing" signs. Not to mention the bulldog (Spike) who guards it. But that doesn't stop Tom, as he takes a chance by sneaking in to go fishing anyway, using Jerry as live bait...

Tom is told by his owner, Mammy Two-Shoes, to guard the refrigerator for the night and keep Jerry away from it, or else he'll be thrown out of the house. Upon hearing this, Jerry outwits Tom, but goes too far... to a point where Tom falls into a barrel of cider and gets drunk. The drunk Tom is nice to Jerry, but makes a mess in the kitchen, among other things that are against Mammy's orders. So Jerry does his best to snap Tom out of it before the cat gets into some serious trouble with Mammy.

In this episode, Tom plays as a concert pianist who plays beautifully, but keeps getting interrupted when Jerry is inside of the piano, making Tom hit the wrong keys. Throughout the episode, Tom tries to squash Jerry by hitting the keys he's on.

Jerry drinks a potion that makes him grow super-strong. He decides to go after Tom because this time, he's stronger. Once the potion wears off, Tom drinks some of it himself and grows bigger and super-strong. But he then immediately shrinks to half the size of Jerry, then to the size of an ant, and runs away from Jerry, who proceeds to chase him with a fly-swatter.

While Tom woos a female cat at the beach, Jerry tries to disrupt his fun by playing pranks on him.

Mammy Two-Shoes is sick and tired of Jerry, period. So she enlists both Tom and Butch to catch him, saying that whichever cat is successful in the capture gets to stay in the house, and whoever fails gets kicked out along with Jerry.

Tom is chasing Jerry as usual, when Jerry dives into a bottle of ink to hide. Not noticing, Tom dashes off in which he thinks is the direction the mouse went. When Jerry emerges from the bottle, he finds the bottom half of his body invisible! He then realized that the ink he was in is invisible ink, so he covers his whole body in it and goes after Tom, planning on giving him a good scare.

Tom has finally caught Jerry and is about to eat him. But the house canary can't bare that and comes to Jerry's rescue. With that, Tom goes after the both of them, but the teamwork between Jerry and the canary outdoes Tom completely.

Tired of fighting, Tom, Jerry, and Spike sign a truce. Now, they protect each other, sleep next to one another, and so on. Until a big steak gets dropped by their house, that's when they start to fight over who gets the bigger share.

Mammy Two-Shoes is being "attacked" by Jerry again, so she once more orders Tom to get rid of him. When he epically fails once again, Mammy decides that Tom is too old to work in the mouse-catching business anymore, and brings in a younger, faster, and more hyper cat named Lightning that disposes of Jerry in an instant. Proud of the new cat, Mammy tells him to take good care of Tom, and goes to bed. But when Lightning frames Tom for raiding the refrigerator, Tom gets kicked out of the house, as well. So both Tom and Jerry come up with a plan to get rid of Lightning once and for all.

Tom is doing his best to teach a younger cat how to catch a mouse, but the youngster isn't able to focus very well. When Tom finally tells the young cat to do a test run by catching Jerry, the little one determinedly sets off. But Jerry sees that the young cat likes mice despite his teachings, and takes advantage of this and uses it against Tom.

As soon as Mammy finishes cleaning the house, in come Tom and Jerry to mess it all up. She cleans up the house again, but tells Tom that if he creates another mess, when she comes back from the store, he's going to have to leave. Jerry sees his chance to get Tom out of the house..

Mammy Two-Shoes is about to put Tom out for the night, but since there's a lightning storm going on, Tom fakes being sick in order to stay in. Mammy falls for it, and allows Tom to sleep indoors. Tom is delighted that his trick worked, but Jerry is annoyed at this, so he paints red dots all over Tom's face to make him actually look sick. Tom falls for this, so he succumbs to letting Jerry take care of him... in quite a brutal way.

An orphan mouse comes and joins Tom and Jerry for Thanksgiving Dinner. Nibbles is always hungry, so he eats everything in sight. An angry Tom chases him around the house, while Jerry tries to help Nibbles hide.

A woodpecker egg falls from its nest, and rolls to Jerry's door. It hatches, and Jerry puts it back in its nest. The woodpecker follows Jerry back to his hole, and that's when it goes over by Tom..

Tom gets killed by a piano, and starts to float up to Heaven. But he doesn't get to go in, because he's been trying to get Jerry all these years. The only way for him to get into Heaven is to have Jerry sign a piece of paper, stating as an apology. If Jerry doesn't sign it.. then Tom's going down under.

Tom drowns in a lake, and goes to the bottom. There, he finds a mermouse, and then tries to capture it and eat it. The mermouse doesn't give in so easily, though.

Mistakenly grabbing Spike's son, instead of Jerry, Spike lets Tom have it. Jerry makes himself comfortable over by Spike, while Tom tries to devise a plan to get Jerry without having either of the dogs notice.

After getting tired of chasing Jerry, Tom sits down and finds Jerry's Diary. He opens it and starts to read it, showing clips of past episodes.

Tom competes against Butch in a tennis tournament. Bad luck keeps happening throughout the game, though. Jerry sees and figures he can use this to his advantage. He uses tricks though, as he competes against both Tom and Butch.