Tweety Bird is on a train with Sylvester.
Porky and Sylvester stay overnight in what Sylvester realizes is a terrifying hotel filled with endless imminent danger.
Minnie gives Figaro a bath and ties a ribbon around his neck. Figaro feels like a sissy, and when he mixes it up with some alley cats, they mock him, and the leader attacks. But Figaro is so afraid that his shaking topples a series of trash cans onto the aggressor. The rest of the cats didn't see this happen, and think Figaro defeated their leader. Of course, now he's all dirty, and he needs another bath.
Porky puts his cats out in the snow, but then they put him out and have a party. Expelling them again, Porky goes to bed, only to be terrorized by the felines' mock Martian invasion.
Sylvester Cat discovers Tweety Bird in a pet store window. Tweety is taken to be delivered by truck to a new owner - Granny. Sylvester chases the delivery truck to Granny's home, where Granny has a huge, fenced-in area for her army of bulldogs. Sylvester makes several unsuccessful attempts to pass the dogs and reach Tweety inside Granny's house.
Tweety and Sylvester are Granny's pets in the Spinsters Arms Hotel, where pets aren't allowed.
Sylvester Cat starts to saw down Tweety Bird's house. Tweety flees into a badminton court, where he becomes the birdie in the game. Sylvester disguises himself as a player, and Tweety drops a TNT stick into Sylvester's mouth.
Mice Hubie and Bertie drive Claude the cat insane through an escalating series of head games.
Scheming mice Hubie and Bertie convince a cat that he is, in fact, a lion.
Mice Hubie and Bertie wander into an automated house of tomorrow.
Mama cat is teaching her kittens to catch mice. Meanwhile, across the basement, mama mouse is teaching her little ones how to avoid cats.
While Betty Boop is away, the kittens get into mischief. Will Pudgy the pup take the blame as usual?
A starving cat wandering in the wilderness sees a sign that says "Ma's Place / Home Cooking / 3 Miles". The cat speeds into town, without noticing the sign that says "Ghost Town / Population 100 Ghosts". One of these ghosts is a mouse eager to get revenge on cats for having tormented him in life.
Take-off on the "Duffy's Tavern" radio program, with tough-guy Eddie G. Robincat demanding a meal of mouse knuckles, "of which we ain't got none," waiter Filligan informs his absentee boss on the phone. To fill the plate, Filligan then tries to catch the blabbermouth mouse, Sniffles.
A cat (not Sylvester) tries to capture a little canary bird (not Tweety), and not get caught by protective Granny.
When his car breaks down out in the country, Sniffles the mouse takes shelter in an old mill, where he meets up with "Batty," a non-stop-talking little bat who later save Sniffles from a hungry cat.
Sniffles the mouse's friends talk him into putting a bell around the neck of the troublesome house cat.
Sniffles the mouse and his friend the Bookworm try to evade a cat in a the toy department of Lacy's department store.
Porky can't sleep because mice demolish his plates. A cat offers help and gets the mice out, but invites some friends so Porky still can't sleep.
An old woman has a cat, a dog, and a canary. The cat and dog fight even worse than normally. Fed up, she tells them both off, then threatens to throw them both out if there's any more trouble.