When Didi decides to go "back to school", Angelica explains that soon Tommy will be a baby like Dil again./ Chas and Kira pursue their dream of owning a coffee shop while the Rugrats pursue their own dream - or, rather, Chuckie's dream.
The babies try and make Dil take his first steps so he can play a game with them. The adults - and the babies - reminiscence about each of the Rugrats' first steps. / Charlotte sets a play date for Angelica with bumbling pre-school classmate Harold.
The babies find a medieval themed arcade game that leads then into a fantasy to save Taffy from a fierce dragon named Gracko. / The babies try to make Dil stronger, so he can play with them, and after an earthquake strikes, they think he is responsible.
Taffy takes the babies to their first high school basketball game, and they set out to defeat the visiting team's mascot. / Angelica convinces the babies that the Pickles' crawl space is their new play area so that she can have the living room to herself.
The Finster's puppy is lethargic, and the babies believe it's because she hasn't been properly named yet./Betty's college roommate comes to visit with her daughter Alice, just as weather reports forecast a hurricane, also called Alice.
Tommy temporarily loses his nerve after slipping on a playground apparatus, and Angelica challenges the babies to tests of valor to see who's the "braveliest"./Didi takes the babies to college to be part of her Child Development experiment.