Sylvester Cat accepts a position as mouse-catcher on a ship, and his son, Junior, accompanies him. They encounter baby kangaroo Hippety Hopper being shipped from Australia and, as usual, mistake Hippety for a giant mouse.
Granny is Tweety Bird's mistress on a farm. She assigns a bulldog named Hector to take care of Tweety while she's away. Sylvester Cat disguises himself as a scarecrow to sneak up on Tweety. Tweety runs into a chicken coop and is protected by a mother hen and an aggressive rooster. Hector, seeing that Tweety is gone and fearing Granny's wrath, paints Sylvester yellow and puts him in Tweety's cage to fool Granny. Tweety returns and makes like a cat since turnabout is fair play.
Bobo the Elephant is baseball team mascot for the lean and meek Sweetwater Shnooks, all of whom are rendered unconscious by their opponents, the husky and brutal Greenville Goons. The Shnooks' manager, rather than forfeit the game, decides to bring in Bobo to play every position - and he does rather well!
An angry volcano god in the South Pacific demands a sacrifice, and a lovely young woman in the god's service finds the perfect candidates in the form of two American sailors: Woody Woodpecker and Buzz Buzzard.
Sylvester Cat tries to catch Tweety Bird in Granny's farm house, but Granny catches Sylvester and warns him if anything ever happens to Tweety, she will have Sylvester turned into violin strings. A one-eyed orange tabby makes off with Tweety, and Sylvester must rescue the canary to avoid being sent by Granny to the violin string factory.
Sylvester Cat chases Tweety Bird while Tweety narrates. The chase takes them out of the city to the country, straight into a mine field, down a ski slope, and to the middle of a wooden bridge, where Sylvster stupidly saws a hole, with himself in its center.
Popeye opens a diner; Bluto pulls one up right across the street. Wimpy comes along, and they compete for his business. The competition escalates, until finally they are throwing things at each other; Wimpy stands between them and snags a complete meal from the stream of objects passing overhead. Another spinach-free Popeye.
Two of Popeye's nephews get caught playing with fireworks on the Fourth of July. Popeye takes them away, and they spend the rest of the picture trying to get them back (mostly by getting Popeye away from them).
A hungry crow intrudes on a party honoring Speedy Gonzales, Mexico's fastest mouse, and tries to catch and eat some of Speedy's friends. Speedy leads the crow on a frustrating and violent chase that demoralizes the crow into surrendering and joining in Speedy's party, as the center of a dart board, and the target of a ball-throw.
Foghorn Leghorn travels to the deep south to enjoy the sun, but must contend with two yokelish chicken hawks, Pappy and Elvis, who want to roast him for dinner.
In yet another cartoon spoof of TV's "The Honeymooners", rodents Ralph Crumden and Ned Morton have stayed out too late and return home fearing their wives' wrath...