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 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 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 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.
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 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 Cat is a concert pianist who plays beautifully until he is interrupted by Jerry Mouse.
Spike is guarding a private fishing hole - in his sleep. Tom sneaks in to do some fishing - with Jerry as bait. But one particularly vicious fish turns out to be more than Tom or Jerry bargained for, particularly when he wakes up Spike.
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.
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.
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.