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'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.
Spike is showing his son Tyke how to barbecue when his cooking is disrupted by a typical Tom-and-Jerry chase.
Tom is the official cat on the cruise ship S.S. Aloha, but he'll be kicked off if the captain finds even one mouse. That one, of course, is Jerry, who sneaks on board just before sailing.
Tom is in a pool hall after hours; as he soon discovers, Jerry is sleeping in the corner pocket. Tom chases Jerry around the table and the rest of the pool hall. Tom's energetic game of pool is more than Jerry can cope with. Soon, the table becomes a battlefield.
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 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 drowns in a lake and sinks to the bottom. There, he finds a mermouse, which he tries to capture and eat.
Tom has been out late carousing with his chums. When he gets home, Mammy won't take any excuses, and insists he stay awake; Jerry, overhearing, thus tries a number of schemes to get Tom to sleep.
Spike has just washed his pup. Tom and Jerry's chase knocks him into a mud puddle. Spike makes Tom clean him up again and promise to keep him clean which of course is Jerry's opening to get Tom in trouble.
Nobody's home, so Tom invites his alley cat friends in to look at home movies (clips from earlier cartoons where Tom gets the drop on Spike). While they're showing them, Spike sneaks in.
Tom has amnesia and believes he's a mouse. Jerry, finding him more obnoxious as a fellow rodent than as a cat, seeks to cure him with a blow to the head.
Jerry's little duckling friend has packed his bag and is all set to fly south for the winter despite the book Jerry keeps showing him that points out that domestic ducks do not fly south, and despite his inability to fly at all.
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 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.
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.
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.
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 couple that owns Tom and Spike decides they can't afford to keep both. They agree that the first one to catch the mouse can stay - bad news for Jerry.