Tom drowns in a lake and sinks to the bottom. There, he finds a mermouse, which he tries to capture and eat.
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 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.
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 is duck hunting, and he wings a little duckling that can't quite keep up with the flock. Jerry gets to the fallen duck before Tom, bandages his wing, and shelters him from Tom as he keeps running out to join his flock.
A dancing bear escapes from the zoo and finds his way to Tom and Jerry's house. He dances with Tom, making it impossible for Tom to call the authorities; Jerry takes every opportunity to play music and keep Tom and the bear dancing
Jerry's little duckling friend is depressed because he's just read The Ugly Duckling and thinks that he's ugly. Jerry does his best to help. Tom gets involved when the suicidal duck offers himself as a meal.
A lost baby woodpecker, that believes Jerry is its mother, does everything it can to save the mouse from Tom, who is once again in pursuit. A CinemaScope remake of the 1949 Tom and Jerry cartoon Hatch Up Your Troubles.
Spike is showing his son Tyke how to barbecue when his cooking is disrupted by a typical Tom-and-Jerry chase.
It's spring, and Tom is much more interested in the female cat next door than in Jerry.
Tom ties up Spike and sneaks into the courtyard of the glamorous Toodles Galore with his bass, hoping to woo her with his song, much to the annoyance of a sleeping Jerry.
Spike the bulldog, grateful to Jerry for getting him out of the dogcatcher's van, offers to help the little mouse any time he whistles. Tom, Jerry's feline tormentor, seeks to overcome this new disadvantage.
Jerry crashes a vase onto Tom's head, which gets Mammy to throw Tom out. Jerry at first revels in his freedom, but soon tires of this, and, under a flag of truce, hatches a plan with Tom.
Tom's chasing Jerry when he runs right into a sleeping dog and the two of them must work together to fend him off.
Tom, sick of Jerry stealing the milk out of his bowl, poisons it. Instead of killing the mouse, the potion transforms him into a muscular beast.
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.