The babies dress up for Halloween, while Lola, Melissa, and Petunia end up with ridiculous costumes. Three Martian Birds accompany them on their trick or treating while Sylvester braves Hilltop Manor. The three girls win in the costume contest for originality.
Bugs thinks Granny is having a baby and the others are convinced by Daffy’s make-believe theory on where babies come from and a guidebook on baby care. As everyone prepares by practicing on Tweety, the baby turns out to be a hamster.
Daffy spreads a muddy mess around the house horrifying the tidy Sylvester. Bugs manages to snap Sylvester out of his mania for cleanliness, leaving Daffy to clean his own mess.
Floyd takes the babies to the green screen for their picture to be taken. Daffy, disappointed at the choice of scene, spoils Bugs’ appearances on the green screen until the photographer gets his priorities right.
Bugs, Daffy, and Lola argue what the material of the moon is. Floyd takes them and Taz to the library for research. They find hard to refrain from making noise, but they manage to find the information they were looking for.
After failed attempts of flying a kite, blowing bubblegum bubbles and dancing, Sylvester refuses to try new activities altogether, until the others trick him into trying finger painting.
Sylvester believes he lacks coolness and thinks he can get it by eating Chewy Chops Pickle Pops he saw on a commercial, but all it does is make his breath stink.
Floyd takes the babies to the museum, whilst Bugs’ dream of flying to the moon is shattered until, Taz gets them all tangled in the space experience zone.
After helping Petunia’s doll, Melissa brags on about being heroic by making up parts of what actually happened, annoying Petunia. However Melissa lies when she has retell the story to everyone.
Daffy and Melissa stick together to play impractical jokes on the others. To get even, Lola demonstrates the consequences of an impractical joke to Daffy and Melissa.
Floyd introduces the babies to a game of soccer, Daffy under the impression girls can’t play it and Petunia and Taz with a better sportsmanship than the others. Petunia manages to score the game to a draw.
Granny takes the babies to the hospital for their flu shots, but Bugs and Daffy manage to elude their turn for a shot! In getting ill, Bugs and Daffy miss all the fun the others have.
After Bugs’ attempt to do magic tricks fails, Bugs wanders into the countryside to view and experience the beauty of springtime, inspiring him to try again with his magic show.
When Daffy sees Bugs establish his own lemonade stand, Bugs becomes his partner but doesn’t do his fair share of work, so Daffy competes with his own stand.
After Daffy accidentally breaks Granny’s chair, Floyd takes everyone to buy a new one, while Sylvester protests the idea of replacing it until the others show him how to stick with what’s coming.
Floyd introduces the babies to a game of soccer, Daffy under the impression girls can’t play it and Petunia and Taz with a better sportsmanship than the others. Petunia manages to score the game to a draw.
Sylvester becomes afraid of new changes as the babies and Granny try to widen variety and has no wish to join in the fun, until Granny shows Sylvester what Daffy’s missing.