Tom has plans to take a nice long nap in a hammock, but Jerry has gotten there first and is snoozing happily, so the two fight it out to see who gets to sleep there.
An alley cat is foraging for food when he sees Tom's house and decides it's a rich haul. He dresses as a foundling baby and lands on the doorstep. Tom takes him in and Butch proceeds to raid the fridge between Tom's babying him. What he doesn't know is that Jerry's going to grab the ham Butch swiped every chance he gets.
Tom heads for a big city penthouse to become acquainted with a rich pretty female cat that lives there. He brings her Jerry as a gift and does some humiliating things to Jerry. Jerry, in turn, attracts the attention of another cat who also becomes interested in the female cat. It eventually turns into a fight between Tom and the other cat for the lady's hand but Jerry is the one who gets her in the end.
Tom, a castle soldier in 16th century France, is assigned to guard the food laid out on a banquet table. Jerry and a smaller mouse companion, two wandering "mouseketeers", make the situation miserable for Tom as they abscond with (and occasionally eat) all the food they can.
Tom's in love again, and Jerry's devil conscience reminds him of times this has happened in the past (which, of course, we see, in the form of clips from earlier shorts), and how that's been nothing but trouble for Jerry.
Tom's new book on "how to catch a mouse" doesn't prove too helpful against Jerry; actually, Jerry seems to make better use of it than Tom.
It's spring, and Tom is much more interested in the female cat next door than in Jerry.
Tom fights with another cat over Jerry.
Tom is golfing, but having no success. Jerry insures that remains the case.
Tom chases Jerry into a bottle of invisible ink, and the now-invisible Jerry proceeds to have fun torturing Tom.
Jerry takes a midnight snack from the fridge unaware that Tom is watching him.
Tom invites Toots to an elegant dinner. However, he's made the mistake of trying to put Jerry to work, as a serving boy, a corkscrew, and other tasks. Jerry puts up with a little of this, but mostly gets revenge on Tom.
Butch convinces Tom and Jerry that there's no reason to fight and they should all sign a peace treaty. Tom and Butch even rescue their pals from a fellow cat and dog. But then a steak falls off a truck and the boys can't decide how to divvy it up, ultimately losing it completely, and the truce is off.
Tom subjects Jerry to his usual harassment; but the cat finds a new enemy, and the mouse finds a new friend, in the canary of the house.
Mammy Two-Shoes replaces Tom with a younger cat who is a lightning-quick mouser. Tom and Jerry form an alliance in order to get rid of this dangerous newcomer.
Tom is given the task of guarding the fridge during the night by Mammy-Two-Shoes, but as soon as he has started he is tricked by Jerry into falling into the basement, where he lands in a barrel of cider. Now drunk, Tom staggers around in the house getting up to no good with Jerry.
Jasper is given an ultimatum by his master: break one more thing and you're out. Rodent Jerry does his best to make sure that his tormentor "gets the boot".
Tom is all set to eat Jerry when a hawk swoops down and grabs Jerry. To get Jerry back, Tom poses as a female hawk and quickly finds his new lover to be more than he bargained for.
Tom hears a ghost story on the radio and is spooked by it; Jerry notices this and takes advantage of it, using a variety of tricks to scare Tom.
Tom is playing with Jerry when a cute lady cat is delivered to Mammy for her to take care of. Tom is smitten at first sight.
The family dog warns Tom not to make any noise so he can take a nap. Jerry hears this and immediately devises plans to ensure that the dog's nap will be interrupted.