On a trip to a mountain resort, Tommy develops his first crush on a girl named Olivia, another guest at the lodge. Chuckie becomes a third wheel, and feels alienated when Tommy prefers spending time with Olivia instead of helping him overcome his fear of heights. Tommy has his very first kiss with Olivia. Meanwhile Angelica tries to impress a guy who works as a hiking leader at the resort.
The whole school has caught Yu-Gotta-Go fever, a role playing card game, except Chuckie. When he finally starts playing, it becomes an obsession, and he's hired by Angelica to do her chores in exchange for more cards. He becomes one of the school's elite players, but in the pursuit of an elusive card, he nearly parts with the valuable stamp collection that Chas has passed down to him. It's up to his friends to keep him from getting in over his head.
After Stu sells an invention, he tells the kids that he's splurging on a built-in swimming pool. While digging up the yard, the construction crew unearths the Rats' old mechanical Reptar toy. The kids fondly remember it, but decide to throw it away, until, during an electrical storm, they become convinced that they've angered Reptar. They ultimately decide to rescue the toy, and realize that, although they're growing up, they can't forget their past.
When theres a talent show on and they've got places for singing, Angelica signs up, but Tommy tells Angelica to let Susie know. When Angelica calls, its on the answering machine, but it breaks. Angelica then pretends she's reminding her in front of Tommy, which when Susie comes back to school, eventually believes in Angelica. Meanwhile, Chuckie, Lil and Phil help Ms O'Keats with her part of the talent show, even though its a bit lame and they have to wear weird costumes and do other weird movements. Dil lets them know about Karma and tells them about that afternoon (Phil, Lil and Chuckie pulled a prank in assembly) and if they do something bad, something bad will happen to them, as in them being humiliated in front of the whole school. The next morning, Angelica's face breaks out with zits and comes to Dil's advice. Dil tells her to do good deeds but it just gets worse. At the show, Angelica admits to Susie she knew the answering machine was broken and swaps places with Susie. When Chu
It's soccer season and as per usual, Phil has soccer-on-the-brain. But when Lil casually joins the team, she surprises everyone, including herself, by instantly becoming a super star. At first Phil is excited about having another soccer-head in the family, but when Lil outshines him, he starts to resent her. When Lil finally realizes how upset Phil is, she has to decide whether to walk away from something she loves or continue to play and risk pushing away her only brother.
Tommy and the gang decide to put together a boxcar to compete in the upcoming derby. Can they make it to the finals, or will Angelica spoil their plans by entering her own car in the race?
Susie thinks that Angelica doesn't think much about the future. While Angelica worries about getting a navel piercing, Susie tries to get a scholarship to a good college. So when a school field trip accidentally leaves the two girls stranded in the big city, who will end up having the smarts to get them back safely?
As babies the Rugrats used to dream about being cowboys, and as tweens they finally get to make those dreams come true! When the gang is invited to spend a week at a dude ranch, will Tommy and his city slicker pals adapt to the ways of the old west?
