Tom drowns in a lake and sinks to the bottom. There, he finds a mermouse, which he tries to capture and eat.
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.
Tom and Jerry need to repeatedly come to the rescue when a teenage babysitter, supposed to be looking after the baby, is more interested in talking on the telephone than in paying attention to the baby who keeps crawling away.
Tom designs a better mousetrap that would have made Rube Goldberg jealous. While he sleeps, the mouse that Tom drew wakes Jerry and they get chased by the cat Tom drew. As Tom awakes, they make a strategic alteration to the design.
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, whose appetite was whetted by a radio cooking program, wants to make a meal out of the pet goldfish. Jerry, who is friends with the fish, does what he can to thwart their feline foe.
Jerry agrees to help an escaped circus lion, whose first need is food. But first they'll have to evade Tom, who heard the news bulletin and is armed with a shotgun.
When Tom's harassment gets out of hand, Jerry writes to his Cousin Muscles, a tough inner city mouse, and asks for his help.
The kiddie radio host, Uncle Dudley, reminds his listeners that it is "Be Kind to Animals" week. Tom resolves to be kind to his mouse-nemesis, Jerry, but the cat changes his mind after sneaking a look at Jerry's diary.
At the home of Viennese composer Johann Strauss lived Johann Mouse. Whenever the composer played his waltzes, the mouse would dance to the music, unable to control himself. One day, when Strauss was away, the house cat played his master's music. When word got out about a piano-playing cat and a dancing mouse, they were commanded to perform for the emperor.
A baby elephant rolls off the circus train and right into Tom's bed. He quickly allies himself with Jerry, and with a rolled-up trunk and some paint, passes himself off as a giant mouse. The two then keep trading places to the bafflement of Tom.
Jerry Mouse befriends a newly hatched duckling who can't swim and ends up protecting him against his feline nemesis, Tom.
Tom and Jerry are in a bowling alley. Both spend a lot of time sliding on the well-polished lanes. Eventually, Jerry takes up residence among the pins and Tom tries to bowl him down.
Mammy Two-Shoes tells Tom and Butch that the cat who gets rid of the icebox-raiding, breadbox-invading mouse (Jerry) is the one who can stay.
It's spring, and Tom is much more interested in the female cat next door than in Jerry.
Tom is dressed up and treated like a baby by the little girl of the house.
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.