The Oscar-winning cat-and-mouse twosome--Tom and Jerry--returns with another adventure. When Tom and Jerry's irrepressible curiosity gets the best of them, the mysterious magic ring that Tom guards with his life ends up stuck over Jerry's head. Now, Jerry must find a way to free himself of the ring while fleeing Tom, who wants to remove the ring any way he can! Find out if the pair can conjure up a solution in this fur-raising, madcap escapade.
While carrying on their usual hi-jinks, they inadvertantly stow-away on a spaceship bound for Mars. They meet up with the local Martian residents and cause them to invade the Earth, aided by the "Invincitron", a vacuum-wielding giant robot. Tom, Jerry and their Martian ally, Peep, save the day.
Tom plays championship tennis against a cigar-smoking bully, but both cats find themselves battling Tom's much-abused lackey, Jerry Mouse, for the trophy.
Tom is wooing Toots; he presents her with a present - Jerry. But Toots would rather play mother to Jerry than eat him, much to Tom's annoyance.
Jerry Mouse befriends a newly hatched duckling who can't swim and ends up protecting him against his feline nemesis, Tom.
Tom and Jerry need to learn to work together in order to help Sherlock Holmes with an investigation of a jewel theft. But still, they are cat and mouse!
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.
Tom is golfing, but having no success. Jerry insures that remains the case.
Chased by Tom around the barnyard, Jerry takes refuge under a hen, who, in her nest, is sitting on eggs. Tom has to figure out ways to get Jerry out from under the protective hen.
Tom subjects Jerry to his usual harassment; but the cat finds a new enemy, and the mouse finds a new friend, in the canary of the house.
Mammy Two-Shoes replaces Tom with a younger cat who is a lightning-quick mouser. Tom and Jerry form an alliance in order to get rid of this dangerous newcomer.
Tom is given the task of guarding the fridge during the night by Mammy-Two-Shoes, but as soon as he has started he is tricked by Jerry into falling into the basement, where he lands in a barrel of cider. Now drunk, Tom staggers around in the house getting up to no good with Jerry.
Jasper is given an ultimatum by his master: break one more thing and you're out. Rodent Jerry does his best to make sure that his tormentor "gets the boot".
Jerry is awakened from a nightmare by a knock on the door: someone has left a foundling in a walnut shell with a note, giving his name as Nibbles and saying he needs lots of milk. Fortunately, there's a dish handy, but it's next to Tom. Nibbles scurries out and dives off Tom's nose, then grabs a whisker for balance, waking Tom up. Jerry grabs him just in time and they hide under the milk. Tom laps up some milk and gets Nibbles; Jerry rescues him, and they run for the hole. Next, they try a very long straw; Tom catches them and sucks Nibbles through the straw. Much chasing follows, with a pause now and then for some milk. Tom traps Jerry in a milk bottle and chases Nibbles a while; he finally corners Nibbles and spanks him with a flyswatter. Jerry is so enraged he burst out of the milk bottle and lets out a ferocious roar; he grabs Tom by the tail and thoroughly pummels him, then stands over him as Tom feeds Nibbles milk.
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 and Jerry find a dragon egg, and help the baby dragon find its mother.