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.
Granny gives Bugs, Daffy, Tweety, and Lola a box to play in. They don’t like it at first, then they fight over whose game is better, using the box to play in, at the end it works for all their games.
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.
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.
Pepe tours the babies around the Acme gardens finding a place to plant a lemon tree. Eventually everyone gets irritated by Pepe’s stink, upsetting him, but they rejoin him and Pepe introduces them to his pal Gossamer.
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.
With Lola’s hair getting in her eyes, Melissa attends to it with hair gel only for Lola to get laughed at. Granny arranges for a hairdressing appointment but Lola has second thoughts about it, until Granny coaxes her.
Sylvester, Bugs, and Daffy all try to hog attention for Granny. To sort this out, Granny treats the three like they’re younger than the others, prompting them to change.
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.
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.
After misunderstanding a comment by Granny, Lola starts telling everyone their mistakes and saying that they should be like her. Everyone imitates Lola, which annoys her.
Melissa tries to find something for Petunia that she’s good at. Although her attempts to play well fail, the others discover Petunia is good at helpful assistance.