Angelica and Susie break Miss Weemer's coffee mug. Then, along with Harold, they go on an adventure to repair the mug and realize that they make a good team.
Angelica convinces the babies to give her their candy or they'll turn into whatever they dress up as. Chuckie finds his inner werewuff and stands up to Angelica.
Chuckie and Kimi get their own library cards on their 1st trip to the library./Inspired by a visit to the old folk's home, Angelica schemes to get the babies to "tire".
As Betty and Didi listen to an abrasive Dr. Laura-type radio personality, Angelica decides this is a gig she was born for./Angelica convinces Chuckie that he is allergic to Kimi because he has been sneezing every time she is around.
In order to drum up more business, Kira hires a Feng Shui expert to rearrange the coffee shop./The entire gang goes to the cheesy local aquarium for the day, which is shaped like a huge boat.
When the mommies leave the babies with their fathers, all hell breaks loose at home./Angelica tells the babies that the reason her new doll is so realistic is because it's actually a real baby that was turned into a doll.
Chas and Kira take on a teen to help around the coffee shop. "Cyndy" is a dead ringer for Angelica's Cynthia doll./In order to impress some four-year old girls with a "thing" for babies, Angelica promises to be nice to the Rugrats forever.
To celebrate Boris and Minka's anniversary, the whole gang takes a train trip to Little Biendeltown, a theme-park re-creation of the Old Country. The scenic 18-hour journey is a send-up of Agatha Christie-style mysteries.
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.
Chuckie decides to teach a puppy, "Puppy," to be brave so that she'll be adopted into a good home./Grandpa Lou takes the babies to an exotic pet shop, and the babies go on an Indiana Jones type adventure to rescue Lil's ring from Angelica.
The babies are worried that their new babysitter, a teen-angst wanna-be rocker named Taffy, is unhappy because she sings such sad songs./Angelica coerces the Rugrats to take roles in her make-believe game based on her favorite TV show, "The Cynthia Team"