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.
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.
With no one but imaginary friends attending her tea parties, Petunia attracts the others attention with false alarms. Petunia regrets this after the sink starts overflowing.
Floyd takes the babies to the Wormies Band concert. Whilst everyone is stalling Floyd, Bugs sneaks up to the backstage getting scared, but Bugs rejoins the others and meets the star Willy Worm himself.
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.
With the babies squabbling over gadgets, Granny decides to take them to a 17th-century farm, where everything is done manually. However Bugs and Daffy are sneakily playing a game pod until they break it.
Because Petunia feels too shy to decline a game with her friends, she invents an imaginary friend called Larry, which makes the others nervous. They invent their own imaginary friends to snap Petunia out of it.
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.
Floyd take the babies to Auntie’s Bakery, where they love cinnamon rolls, but unfortunately the bakery’s business is due to close down. Everyone works hard to get the bakery in the book of world records so that its left standing.
Marvin the Martian pays a visit to the babies, but no one likes him so Taz befriends Marvin to make him feel welcome. Then everyone else feels the same.
The babies earn some money from Granny to purchase ice cream, except for Petunia who is saving up. The ice cream man soon introduces a sundae only Petunia can afford and she shares it with everyone.
Daffy learns a new word from a garbage man, and later uses it when he gets angry. Daffy teaches it to his friends, and they use it on Granny. Surprised, Granny confronts Daffy and shows him effective ways to control his anger without using profanities.
Thinking it’s the right thing, Lola tells on her friends for any misbehavior. In response to her telltale antics, the babies refuse to play with her, but Lola settles the matter with an apology.
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.