Jerry finds himself in charge of a foundling mouse called Nibbles, who is eager to steal milk from Tom's bowl and oblivious to the danger.
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 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".
Jerry narrates in voiceover: Tom has fallen hard for the cat next door, and competes with rich cat Butch for her affections. But Butch outspends Tom to a ludicrous level at every turn. Tom goes downhill after that, until we see him contemplating suicide.
The Easter bunny brings an egg for Tom and Jerry that hatches into the little duckling. He keeps getting into water he shouldn't: the aquarium, water cooler, bathtub, sink, as the boys keep rescuing it. They try to give the duck back to the Easter bunny - no go. They leave it in the pond at the park and think they're home free, until the duckling brings his friends home.
Tom is shipwrecked on an island, which is inhabited by at least one mouse - Jerry. To thwart the hungry cat, Jerry disguises himself as a cannibal.
Tom's advances on a young jive-talking girl cat get nowhere; nowhere, that is, until Tom gets a zoot suit. Armed with his miles of fabric and a new cool lingo, Tom still has to deal with the tricks of his nemesis, Jerry.
Jerry runs into a dog pound (and right on top of a napping Spike) to escape a rather mangy-looking Tom. To avoid being ripped to shreds, Tom borrows the head of a nearby dog statue. This easily fools the dogs, but not Jerry, and Tom keeps losing his newfound head...
Tom Cat is a concert pianist who plays beautifully until he is interrupted by Jerry Mouse.
Tom is a feline fisherman, Jerry is his live bait, and Spike is the bulldog guarding the lake.
It's snowy and cold outside, and warm inside where Jerry squeezes past a mousetrap to cavort under a present-laden Christmas tree. Mistaking the sleeping Tom for a plush toy, Jerry wakes him and a mad chase ensues.
As Tom and Jerry stage their typical fight sequences, the patriotic soldier theme of the title is evidenced by such things as a carton of eggs labeled "Hen Grenades"; Jerry dropping light bulbs from an airplane like bombs; and Jerry sending a telegram with the message "Sighted Cat - Sank Same." Musical phrasings from various patriotic war songs are heard throughout.
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.
Jerry takes a midnight snack from the fridge unaware that Tom is watching him.