Tom settles in for a day at the beach with his sweety, accidentally ruining Jerry's day. Meanwhile, Tom's girl is paying more attention to the bodybuilders than to Tom.
Tom chases Jerry through the streets of Naples; they meet a local mouse who recognizes them from their cartoons and shows them around. Meanwhile, some local dogs are shadowing them.
A Spanish cat is more interested in playing flamenco guitar than trying to catch the mouse El Magnifico (Jerry). Tom arrives from the States with world champion mouse-catching credentials to have a go.
Jerry and his diapered little mouse friend flood the kitchen, then use the freezer to turn it into a skating rink. Even though Tom finds a pair of ice skates, the mice have no problem outmaneuvering him.
Tom inherits $1,000,000 from an eccentric aunt on the condition that he not harm any living thing - even a mouse. And guess which mouse keeps following him around and pointing this out to him?
A moment after a bottle of white shoe polish pours on Jerry, Tom hears on the radio that a white mouse, having swallowed an explosive, has escaped from an experimental laboratory and that slightest jar of the mouse could cause it to explode and blow up the entire city. It is then that Tom notices now-white Jerry and concludes it's the escapee.
Tom sells Jerry to a local pet store that's buying white mice. Yes, Jerry's brown, but a little paint fixes that.
Jerry Mouse gets tired of living the country life and decides to head to the big city. However, the experience doesn't turn out quite like Jerry had expected.
Jerry and a friend overhear that Robin Hood is imprisoned; they set off to free him, but first they have to contend with his guard, Tom.
Tom and Jerry are in a cabin in the wild west. Jerry's rustling food, so Tom's owner won't let him eat until he's gotten rid of Jerry.
Tom, complete with mortarboard, is teaching a kitten the basics: "cats chase mice." But Jerry keeps subverting this lesson at every opportunity.
Spike is taking his son on a picnic. Jerry keeps hiding in the basket, so Tom keeps disrupting the picnic while chasing him.
Jerry rescues a bag of puppies from the river. Most of them run away as soon as Jerry releases them, but one stays behind. Jerry tries to get rid of it, but ultimately takes pity and invites the frisky pup inside, where he has to hide it from Tom, who keeps throwing it out.
Tom's being especially lazy, which makes it even easier for Mammy to toss him out when her new mouse-catching robot cat, Mechano, arrives. Mechano is frighteningly efficient, foiling several attempts by Jerry. Jerry turns this efficiency against him by unleashing several mechanical mice; the zealous robot makes a shambles of the house, and finally itself, in the process of chasing them down. Tom is welcomed back, but at the last moment, a key part of the robot had gone down Tom's throat; Jerry activates it, and sends Tom chasing after one of the wind-up mice.
Tom pretends to have a cold in order to trick Mammy into letting him stay inside for the night. Jerry tricks Tom by making him think he really is sick - with the measles.
Jerry and his little French mouse friend are raiding while the king sleeps. They awaken him and he calls for Tom to give him an ultimatum: One more sound from the mice and it's off with Tom's head. The mice hear this and team up to torment Tom.
It's Independence Day, and Jerry's little nephew, Nibbles, wants to celebrate with fireworks, while Jerry reminds him to "keep it safe and sane." Initially, this backfires against Jerry, as his attempts to dispose of the firecrackers Nibbles lights explode in his face, but ultimately, Nibbles saves Jerry from Tom with the usual cartoon uses of black powder.
Mammy steps out for the evening. While she's away, the cats - in this case Tom and three of his alley cat friends - play. Play and perform rollicking jazz, that is.
A baby woodpecker mistakes Jerry for his mother. The mouse rejects the newly hatched bird but soon finds himself protecting it against his feline nemesis, Tom.
During yet another pursuit of Jerry, Tom ends up being killed when an upright piano slides down the stairs and slams into him. He meets a feline St. Peter at the gate of the Heavenly Express, but is initially turned away due to his constant torture. However, he will be allowed onto the train if he can have Jerry sign a letter of forgiveness within one hour. If not, it's Hell for Tom. Will he go up or down?