A sneaker-wearing, hairy monster chases Bugs through a castle belonging to an evil scientist.
A mannequin in the city dump improvises a working piano from junk, then plays and sings the title song. Various discarded items join in with song or dance.
An old man is reading a book by the fire. The clock strikes 8, and he heads off to bed. From his book, Alice in Wonderland, out crawls Alice, who turns the radio to the title tune. This wakes up Rip Van Winkle; Alice then rouses the Three Musketeers, who sing a bit. Next tune: Nero fiddles, Rome burns, and Cleopatra sizzles in a slinky dance. Uncle Tom sings a spiritual as Mr. Hyde sneaks up and abducts Alice. Tarzan to the rescue, along with several other characters who mount a spirited attack using such office supplies as pen points, matches, and a fountain pen. They box him up and carry him off.
A bee returns home late after a night out having too much honey. His wife leaves him, but quickly ends up in the clutches of an evil large predator.
An American Indian boy and girl sing and dance in the forest along with the animals. Trouble begins when a fire threatens baby birds in their nest.
The bears tempt Goldilocks with carrot soup, the scent of which brings Bugs on the scene. Bugs romances Mama bear and she becomes infatuated with him.
Louie the Parrot finds a written will stating that his master bequeathes the family fortune not to him, but to his fellow household pet, a lunkheaded cat named Heathcliff, with the proviso that Louie is next in line to inherit the wealth if Heathcliff dies. So, Louie plots the untimely demise of Heathcliff.
A streetcar conductor, Foxy has adventures with a would-be passenger hippo, a cow blocking the tracks, and a runaway train while Foxy, his passengers, and some hobos sing the title song.
Sylvester Cat finds that his people have gone on vacation and left him alone in a locked house with a large stash of canned food in a cupboard. Sylvester needs a can opener, or he'll starve. And a pesky mouse has the only can opener in the house and torments Sylvester into trying more and more desperate measures to obtain it.
To escape a bulldog, Sylvester Cat allows himself to be adopted by a little girl. The little girl turns out to be rougher than the bulldog, though in her case it is entirely out of love.
As Adolf Hitler personally flies a bomber on a mission to the Soviet Union, the gremlins from the Kremlin set about to stop him.
Bugs Bunny is hunted by Hiawatha, a stereotyped Native American who fills roughly the same role as Elmer Fudd in other Bugs Bunny cartoons of this era.
Beaky Buzzard, the shyest, dopiest young buzzard in his family, is sent out to catch something to eat.
Sylvester Cat spots Tweety Bird in a San Francisco apartment and tries to gain access but cannot make it past Granny or the cat-hating desk clerk.
The Coyote chases the Road Runner through a maze of mine shafts.
Tweety Bird is washing in a bird bath in a city park when Sylvester Cat interrupts him. Sylvester chases Tweety, and Tweety takes refuge near a feisty nanny and her toddler. Sylvester dresses as the toddler to try to grab Tweety but is stopped and spanked. Tweety flies to a building ledge, and Sylvester unsuccessfully uses chewing gum to try to reach him. Next, Sylvester angers a bulldog, who chases him away.
An elderly mouse tells the bedtime story of Little Red Riding Hood to her grandson, who visualizes the tale in cat-and-mouse terms, with himself as Red and Sylvester as the Big Bad Wolf.
Wile E. Coyote tries yet again to catch the Road Runner.
Sylvester the cat imitates the Pied Piper of Hamelin to lure a group of mice into a jug that he seals with a cork. But Speedy Gonzales won't be hypnotized by Sylvester's flute and gradually rescues his friends from Sylvester's clutches.
Sam, the Duke of Yosemite, will inherit one million pounds if he can keep his temper in check. Thing is, he has to endure Bugs Bunny as his house guest.