A Martian, with his green dog-soldier, K-9, arrive on Earth with instructions to bring back an Earth creature. He chooses Bugs Bunny.
A strange alien captures Porky Pig and Sylvester's entire campsite as a sample to take back to its planet, but only Sylvester figures out what is really going on.
Porky Pig and Sylvester the Cat spend the night in an old dark house, whose horrors only Sylvester sees.
A very tired businessman needs some sleep and checks into a hotel run by Elmer Fudd, where Daffy Duck is the bellhop.
Two alley cats, Babbitt and Catsello, decide to make a meal out of Orson as he sleeps in his nest atop a telephone pole. The gullible (and loud) Catsello is repeatedly gulled into trying to "get the bird," earning a variety of thrashings from the casually murderous little canary. Catsello finally resorts to an air strike (with a pair of wooden boards for wings), but it's wartime, and Orson has the cat blasted out of the sky by anti-aircraft guns.
Rabbit - in this case Bugs - is an important needed ingredient in Witch Hazel's brew.
Hidden in a box of carrots, Bugs lands in Tasmania, where he matches wits with the Tasmanian Devil.
Bugs must rescue Hansel and Gretel from Witch Hazel's clutches.
Ralph gets sent to his room for breaking a window. There, he passes the time in Walter Mitty-type fashion, daydreaming that he's a parent-saving jungle explorer, an alien-fighting jet ace and a convict.
On Halloween night, Bugs Bunny, masquerading as a witch, trick-or-treats at the creepy old mansion of Witch Hazel, who prides herself on being the ugliest witch of all.
Yosemite Sam as a pirate makes the mistake of trying to bury his treasure chest in Bugs' hole, and pays with the loss of his ship.
A muscular dog exploits a cat and a mouse for food, but they keep forgetting to bring him gravy!
The Tasmanian Devil is on the loose. Bugs offers to help him find his dinner.
Daffy tries to snare the escaped Tasmanian Devil for the $5000 reward offered by the city zoo.
A bulldog adopts an adorable kitten, but he can't let his owner know.
Pepé Le Pew invades a Parisian perfumery, where he sniffs the various scents. The shopkeeper runs in horror and recruits a female cat to run the skunk out of the shop. She tosses the cat inside, and a bottle of dye falls over, accidentally painting a white stripe down the cat's back. Pepé gives chase...
Bugs is the test rabbit shot to the moon. There, he meets Commander X-2, who is intent on destroying the Earth with his Aludium Q-36 Explosive Space Modulator.
When Elmer Fudd brings Bugs Bunny home for dinner main course, Bugs tricks him into thinking there is a terrible outbreak of Rabbititus.
Bugs Bunny groggily climbs out of bed and his hole and, unknowingly, into a rocket ship that's parked directly above. It transports him into outer space, where he is chased by martians.
I Love to Singa depicts the story of a young owl who wants to sing jazz, instead of the classical music that his German parents wish him to perform. The plot is a lighthearted tribute to Al Jolson's film The Jazz Singer.