Lil doesn't want to act like twins anymore, she would rather do things on her own without Phil. Soon after, Dil recruits himself as Phil's new twin. However, Lil's new attitude is threatening the family's trip to the Twins Canyon theme park, where twins get in for half-off, if they dress alike. Meanwhile, Chuckie refuses to participate in the mandatory President's physical education exam.

A talent scout feels that Susie has what it takes to be a singer. Her parents, however, object to her concert because they are worried that it will affect her grades. She then decides to fund the venture herself, by asking her older sister for the money.

Kimi befriends ""Z"", and punk kid, and starts to act differently, and even dies her hair pink. Meanwhile, Angelica goes on an online chatline to find advice for herself. Tommy and Chuckie follow Kimi and ""Z"" into an alley way, and have a feeling that they are going to steal something.

Tommy, Chuckie, Kimi, Phil and Lil are trying to raise money to see their favorite band live in concert, ""The Sulky Boys"" But are not even close to having enough money to buy tickets. Until they talk Dil into selling his latest invention the ""belt-quarium, which he made for his new fish Pablo. The belts prove to be a huge success, despite Angelica completly ripping off the idea. But when the fad quiets down, Tommy asks and without realizing it, forces Dil to come up with a newer invention. But when each hot item suddenly becomes lame by each day, Dil is pressured to please his brother and friends with new and more origianl creations.

Tommy decides to enter a filmmaking contest judged by his idol Martin Costomiris. But when his sci-fi movie proves to be a disaster, primarily due to the uncooperative cast, Tommy realizes that what goes on behind the scenes of the movie is far more interesting. Risking his friends, he follows them and secretly videotapes some of their private moments. When the others find out that Tommy has betrayed all of them, he's forced to make a choice: his "movie masterpiece" or his friends.

Chuckie tries to get one of the most popular girls in school, Nicole, to notice him by creating another version of himself named ""Chongo"". Nicole is instantly notices ""Chongo"" not knowing it's really Chuckie. While Phil and especiallly Tommy are less than thrilled with Chuckie's charade. Chuckie soon discovers that Nicole actually likes him as Chuckie, but is afraid to admit to her that he's been pretending to be ""Chongo"". Meanwhile, Angelica takes on the school cook by reporting in the school paper that his food is weird.

When various lawn decorations, such as gnomes, lawn orniments, ect... begin disappearing from the neighborhood everyone suspects Dil as the theif. But when Dil catches Tommy redhanded he decides to take the blame anyway. Which means being grounded and not being able to visit the museum. It is later revealed that Tommy is the thief, only he never knew it, because he was sleepwalking. Meanwhile, Angelica has to mentor a bratty little girl, who is basically a smaller version of herself.

When Betty and Chazz take Tommy, Phil and Chuckie to the great outdoors for rafting Tommy's secret fear of the water is exposed and tested after getting lost. When he was young he had a near death experience and almost drowned, ever since then he's been afraid of the water. But when Phil's life is in danger and Chuckie is too scared to help him out, Tommy must put aside his fears to try and save his friend.

When Tommy's newest film makes him famous, Dil worries that his big brother might forget all about him. Meanwhile, Angelica trains Chuckie on the fine art of lying.

Grandpa Lou takes over Stu's job of chaperone for the class field trip to the Human Body museum, and starts to embarrass Tommy. Meanwhile, Dil is hospitalized for a throat infection.

The kids try to get a date to the Valentines Day school dance with their crushes.

Dil is convinced that aliens are coming. Meanwhile, Angelica tries to be a nicer person to get Sean's attention.

The kids take an aptitude test to get a clue as to what they want to be when they grow up, but they are not happy at all about the results.

An older girl, Francine, picks on Tommy. Angelica is loving every minute of it! Does Francine like Tommy, or is she just a pest?

Kimi becomes obsessed with her Japanese heritage when she and the gang have to search their family trees as a school project.

Angelica has been invited to Savannah's party and she has to find a dress that hasn't ABW (Already Been Worn). While working at the hospital she suddenly breaks her nose and fakes a dilemma. Meanwhile Tommy, Chuckie, Kimi, Phil and Lil are doing community service week and part of it doesn't go according to plan.

Savannah, the prettiest, most popular girl in school, who Angelica practically worships, decides to throw her party on the same day as Angelica's! Tommy and Chuckie, being amazed that somebody could actually out-mean Angelica, use Savannah's obsession with Senor Jumping Bean to ruin her plan!

Camp Everwood seems like the perfect opportunity for Tommy's horror movie to take flight, especially when they learn the curse of Camp Everwood. The camp package contains brain-eating zombies, missing settlers, creepy pioneer Rock, the worst musical in history [Starring--who else? Angelica Pickles] and a mystery that is just dying to be solved. But when people start to go missing, can Tommy and the gang figure out just what happened on that same soil, over 100 years ago? A 1 hour long movie special that will have you wishing you'd brought your night light to bed with you.

Susie is forced to choose between singing success in a TV talent show and leading her language team to victory in the language bowl which is held on the same day.

Now that she's a teenager, Angelica asks her mother to get rid of all her old baby toys, but she forgets to tell her that her beloved Cynthia doll is an exception. She then races to save her doll from the hands of a greedy toy collector.

Stu becomes a little too helpful when he helps Tommy with his science fair project.

When Chuckie's biggest competition in the election for School Safety Commissioner is Dil's imaginary alien friend Izzy, you would think he would have it in the bag, right? WRONG! When Izzy becomes more popular than Chuckie, can he even rely on his friends to help him win?

As the holiday season approaches, Chuckie is dreading another forgettable Christmas. In order to liven things up, he mistakenly steals a great tree (to replace the lame one Chas has picked out). When he discovers that the whole community is after the thief, he hatches a plan to rectify the situation. Meanwhile, Kira and Kimi are having their own battles with various airline employees in their quest to make it home in time for Christmas, and Tommy and Dil strive to write a memorable Chanukah song.

Angelica tries to help Chuckie become more popular as a school project, but it backfires when he takes his advice, and he becomes more popular than her.

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?

When Susie gets chosen to sing at a big parade in New York City, the tweenage Rugrats hit the road with their moms on a cross country trip! Will Betty's clunky old motor home be able to make it to NYC and see all the stops along the way (like the world's biggest ball of yarn)? Will Tommy and his pals go crazy from lack of video games and TV? Will Chuckie finally get kissed?

Tommy attends a Hebrew school to prepare for his bar mitzvah. While there, he meets Rachel, and falls deeply in love with her. After a while he lies and says that his father, Stu is a rabbi but at the Hebrew School Picnic Rachel finds out and they find out they are both working on the same house.

As Phil and Lil's birthday nears, the twins realize that they are more different from each other than they think. Phil is getting to like girls, and Lil is wearing a pink training bra. After a shocking incident, they decide to have separate parties for the boys and the girls as they try to out-prank each other.

Susie trains Harold to help him get a date with Angelica. He soon becomes the most wanted boy in school.

Angelica falls for Darryl, but she gets too nervous to talk to him whenever he is around. Her mom loses her CEO job and decides to become a full-time mom. Then, they get stranded together on a sail boat on the same day as Darryl's rock concert.

Tommy is getting annoyed by Dil's eccentric behavior, and he wants some space from his little brother. When the gang visits the Cirque Extravaganza Day Camp, Dil meets a whole group of kids who are just as eccentric as heÿis who invite him to join their troupe permanently. Will he choose his new circus friends over Tommy?

When the gang sneaks into a PG-13 movie at the mall, Angelica catches them, and she has excellent blackmail fodder. The mall then closes with them locked inside with two robbers. Chuckie imitates the main character of the movie they just saw and saves the day.

Phil falls for the captain of the school soccer team. Meanwhile, Vice-Principal Pangborn asks Dil, Tommy, and Chuckie to hang around with his nephew, who turns out to be irritating and annoying.

Phil has a crush on Lil's best friend and soccer teammate Wally they start hanging out more often, making Lil feel out of the loop. So Lil develops a plan to pull them apart. Phil and Wally's relationship fell apart when Lil told Wally that he does not like her. When Phil finds out that Lil lied to Wally, he becomes upset at his sister.

Tired of being considered a "goody goody" by the popular kids, Susie tries desperately to prove that she can be a bad girl.

When Chuckie discovers that Kimi is upset, he comes to the conclusion that she hates how her room looks. The gang decides to help him redesign it for her while Angelica keeps Kimi busy. Dil tries giving advice, but they choose to ignore him. It is later discovered that she is homesick for Japan and her biological father. Chas and Kira have a big surprise for Kimi.

While the gang try on their Halloween costumes in the Finster's garage, they find TP+KF carved on the wall. Chuckie believes that Tommy has a crush on Kimi. The argument between Tommy and Chuckie escalates to where their friendship falls apart. So the rest of the gang tries to bring the two back together, but backfires. The two eventually make up when Chuckie saves Tommy from the middle school goons who were chasing him.

When a comic book starring Chuckie's favorite superhero Armadillo Dave gets cancelled, he becomes too depressed to help Tommy with his science fair project. Tommy has to buy a rat for his project, but the last rat available is a mean one. It scares everybody. Kimi made Tommy a simple one lane track for his rat, much to his disappointment as he feels he would get a failing grade for it, but needs Chuckie so he can get a good grade on it since Chuckie has done it before. The gang tries to find Chuckie a new hero to worship.

Angelica's teacher is having a baby so she brings in a hot handsome substitute teacher that Angelica falls in love with. She tries to date him by failing her assignments. Meanwhile, Tommy, Phil, and Chuckie are part of the tennis club run by Pangborn. Chuckie is trying to avoid showering at the boys' locker room, but when he takes the chance, he realizes he has nothing to worry about.

Tommy's girlfriend, Rachel is moving away, and he's cool with it, but is not sure why. However, his friends think otherwise, believing him to be in denial. Tommy tries going about his life as normal, but everyone keeps trying to show him compassion, annoying him greatly. Tommy is advised by Dil to go along with the plan so his friends will leave him alone. However, when Tommy hooks up with another girl, the gang unexpectedly have Rachel show up to surprise Tommy. Seeing him with another girl so soon is too much for her to bear, so she walks away again, leaving Tommy to cry for real this time. Chuckie then shows up at Tommy's house to comfort him.

Kimi leads a petition drive to ban cell phones in school. To prevent her from having the cell phones banned, Angelica hoodwinks Chuckie into helping her keep cell phones in school in her petition drive, while Susie helps Kimi counteract. Things get worse when during the debate at a school assembly, Chuckie reveals to the audience that Kimi wants a cell phone for Christmas, and they end up not speaking to each other and threatening not to attend their parents' (Kira and Chas) 10 year wedding anniversary. However, Angelica, Susie, and Tommy force them to attend to attend. At the Java Lava, Chuckie and Kimi argue with each other about cell phones until they make up after Tommy shows a video of their parents' wedding when they were babies.

With Stu and Didi away at an Invention Convention, Dil wants to host a viewing party for a "real" alien autopsy video with Tommy. But when both Grandpa Lou and Grandpa Boris show up to babysit the kids, they all start to have a feud. This gets even more difficult when Phil, Lil, and Chuckie show up and Dil invites 10 other kids to come see it, much to Tommy's frustration.

When Tommy's gang's parents feel that they are spending too much time watching TV, they ban it from the house. So in order to get their televisions back, they do something dare-devilish. They make a tree house with a zip-line in the backyard to scare and anger their parents into giving them their TV back.

In the series finale, When Tommy forgoes going to the traditional opening day ball game outing with his Grandpa in order to patch things up with his former girlfriend Rachel, Lou takes Dil instead. This makes Tommy jealous as he and Dil compete to be Lou's favorite grandson during a fishing trip.