Lil becomes sick of being treated like package along with Phil, so she breaks up the twin duo.
A talent scout says Susie has what it takes to be a singer. Her parents, however, do not approve. They think she should choose a better career. So Susie goes behind their backs and works with the talent scout.
Kimi befriends a punk kid named Z. Chuckie doesn't trust him. Is he right about Z?
Meanwhile, Angelica allows Harold to take over her online advice website for one night while she goes shopping.
Tommy, Chuckie, Phil, Lil and Kimi try to raise money to see their favorite band, The Sulky Boys, in concert. But they are not even close to having enough money for their tickets. They see Dil with his belt-quarium he made for his pet fish, Pablo. They sell the belts and make a huge profit, despite Angelica trying to rip off all of their ideas. The fad cools down however and Tommy, unknowingly, forces Dil to come up with new ideas. Dil is pressured to please his brother and friends with new and more original creations.
Tommy enters a film making contest judged by his idol, Martin Costomaris. When his Sci-fi movie fails, due to the cast, Tommy realizes a "behind the scenes" movie is far more interesting. Risking his friends he follows them around and tapes their embarrassing moments. However when his friends find out what he has been doing Tommy must make a choice, his friends or his career.
Chuckie has a crush on a girl at school, Nicole. He tries to get her to notice him for what he really his but she doesn't pay attention. So Chuckie disguises himself as a foreign exchange student named, Chongo.
Various things in the neighborhood are being stolen and Tommy suspects Dil as the thief. But when Dil catches Tommy stealing he decides to take the blame anyway. It is later revealed that Tommy didn't know he was stealing because he was sleep-walking.
Meanwhile Angelica has to mentor a bratty little girl.
Betty and Chaz take Tommy, Chuckie and Phil river rafting. Tommy's fear of water is exposed and tested after he, Chuckie and Phil get lost.
When Tommy's latest film makes him famous, Dil worries that Tommy may forget all about him.
Grandpa Lou chaperons Tommy's class trip.
Meanwhile Dil is hospitalized for uncontrollable burping.
There is a Valentine’s Day dance at the kid's school. Chuckie wants to go with Nicole. Angelica wants to go with Sean and Kimi wants to go with Z. But Dil’s new friend Lil Q (who uses his hacky sack as Cupid’s arrow), accidentally makes Nicole fall in love with Tommy. He also makes Z and Sean fall in love with Susie.
Dil is convinced aliens are coming so Tommy and his friends try to play a trick on him.
Meanwhile Angelica tries to be a nicer person so Sean will notice her.
The kids take an aptitude test to see what they may become when they grow up.
A girl named Francine is picking on Tommy.
Kimi becomes obsessed with learning about her Japanese heritage when she has to search her background for a school project.
Meanwhile Tommy meets a new kid named, Trevor, who is copying him.
Angelica has been invited to Savannah's party. But she has to find an outfit that hasn't been ABW (Already been worn). While getting into an elevator Angelica trips and breaks her nose.
Meanwhile Tommy, Chuckie, Phil, Lil and Kimi build a Tranquility Garden with Miss O'Keats.
The Pickles, Finster, Carmichael and DeVille family travel to Camp Everwood, for a camping trip.
Susie is torn between participating in a TV talent show and leading her Language Team to victory in the Language Bowl, which is held on the same day. Meanwhile a nerdy boy named Jeffrey has a crush on Lil. Lil is afraid to dump him so she has Phil dress up as her to dump him for her. But Phil gets along with Jeffrey very well.
Angelica is turning 13! However her party is crashed when Savannah decides to throw her party on the same day as Angelica's. Tommy and Chuckie are amazed that Savannah could sink so low. So Tommy decided to help his cousin and get her guests back.
Angelica has asked her mother to erase her room of all things pre-thirteen. And her mom accidentally gives away Angelica’s Cynthia away. So with the help of Susie and Harold they have to find it before it’s lost for ever.
Meanwhile Tommy and Chuckie accidentally break Vice Principal Pangborn's organizer.
Stu helps Tommy a little too much on his science fair project.
Meanwhile Lil and Kimi work on their science fair project together but Lil ends up working with Nicholas, a boy who isn't very bright.
Dil has a new imaginary, alien friend named Izzy.
For a school project Angelica tries to make Chuckie popular. But her plan backfires when he takes her advice and becomes more popular than her. Meanwhile Tommy, Lil, Phil, Kimi, and Dil are in a school play about the Revolutionary War.
Chuckie's Christmas spirit goes from bad to worse when the glitzy holiday tree he brought home turns out to be stolen property.
Meanwhile, writing a song about Hanukkah frustrates Tommy and Dil.
While Kira and Kimi encounter difficulty at an airport.
While on a vacation to a mountain resort Tommy develops his first crush on a girl named Olivia, another lodge guest. Chuckie feels like a third wheel when Tommy wants to spend more time with Olivia than him overcoming his fear of heights. Chuckie decides to climb down a mountain without Tommy's help but realizes he needs it. Will Tommy make it in time to save Chuckie?
Susie gets a singing gig at Slosh Mountain she gives free tickets to the gang. They are thrilled, not so much about the show, but going on the mother of all rides, Whiplash Gorge. Unfortunately Tommy and Dil find out they have to baby-sit their Grandpa Boris after cataract surgery the same day. Boris will be visually impaired for a while so the boys hit Slosh Mountain anyway. But soon after the boys arrive at the park Boris disappears. Tommy and Dil round up their friends to help him find their Grandpa. Will they find him and make it in time to see Susie's concert?
The whole school has caught Yu-Gotta-Go fever, a role playing card game, except for Chuckie. Chuckie is hired by Angelica to do her house work in exchange for cards. It soon becomes an obsession. He soon becomes one of the school's most elite players. But in the pursuit of a rare card he trades away all his father's stamps. It's up to Tommy to get Chuckie out of his obsession and help Chuckie get the stamps back.
Stu's latest invention earns him a bundle and he tells the kids they are going to get a built in pool in their yard.
Angelica cheats Susie out of a singing spot in the talent show. The next day Angelica gets acne and thinks she has bad karma.
It is soccer season and Phil has soccer-on-the-brain. But when Lil joins the team she surprises everyone, including herself, by her soccer playing ability. At first Phil is excited about having another soccer fan in the family but after Lil out-shines him he begins to resent her. Lil has to choose weather to play the sport she loves or betray her only brother. Meanwhile Angelica tries out for sports to get a boyfriend.
Tommy, Chuckie, Phil and Dil make a box car to compete in a race. But will Angelica spoil their chances of winning by entering her own car in the race?
Susie is book smart. Angelica is street smart. When a school field trip accidentally leaves them stranded together in the big city. Who will have the smarts to get them back safe?
Meanwhile, Tommy, Phil, Lil and Dil skip school to go to the mall to meet a famous soccer player.
The gang is invited to spend a week on a ranch and get to be in a horse drive.
When Susie is chosen to perform in the Gracy's Day parade the kids hit the road with their mom's to get to New York.
Meanwhile, while on the trip Phil and Chuckie search for a girl to kiss Chuckie.
Also, Lil attempts to break a world record by playing "Keep it up" with a soccer ball, across America.
Phil and Lil's birthday is coming. The twins realize that they are more different than they think. Phil is beginning to like girls and Lil is wearing a training bra.
Meanwhile, Tommy and Chuckie see a vampire movie and they become scared.
Harold has a crush on Angelica, but Angelica is too busy to notice him because she is too in love with Darryl. So he asks Susie to help him become a ladies man.
Meanwhile Vice Principal Pangborn asks Dil to help his relationship with Miss O'Keats.
Angelica has a crush on Darryl but she is too nervous to talk to him. Will her mom hurt her chances with him when she loses her CEO job and decides to become a full-time mom? It may happen when they get stranded together on a boat on the same day as Darryl's rock concert.
Tommy falls for a pretty girl named Rachel that he meets in Hebrew School.
Meanwhile, Chuckie and Phil go to different places of worship in hopes that Chuckie could find a girlfriend.
Tommy declines an offer made by Grandpa Lou to take him to the annual opening day baseball game. So Grandpa Lou takes Dil instead making Tommy jealous. The two brothers then go on a fishing trip with Grandpa Lou and compete to see who Grandpa Lou’s favorite grandson is.
The gang sneaks into a PG-13 movie at the mall. Angelica catches them, and uses it as blackmail. The mall then closes with them locked inside with two robbers.
When the gang visits the Cirque Extravaganza Day Camp, Dil meets a circus family who he becomes close to.
Phil falls in love with the captain of the soccer team, Wally. At first Lil doesn't mind, but when Phil has no time for her she decides to break up Phil's relationship with Wally.
Susie, is tired of being called a good girl by the popular kids, so she decides to seek Angelica's advice on how to become a bad girl.
Meanwhile, Phil learns that he is a very talented cook.
After Charlotte has dinner with the Carmichaels, she decides that Angelica could use a bit more discipline, so she has her staying with Susie's family for a week. Tommy then bets the gang that the spoiled princess can handle all the Carmichael family rules for seven days.
Halloween is coming up, and Tommy and the gang are looking for costumes in Tommy's basement they see TP+KF on the wall.
Kimi is upset that her father does not send her a gift for Children's day. Chuckie finds out and gets the gang to help him re-decorate Kimi's room while Angelica takes Kimi out for the day.
Chuckie becomes upset when his favourite super hero's comic book series gets cancelled.
Susie and Angelica's teacher gives birth leaving them with a substitute teacher for the rest of the year. When their new teacher, Mr. Fisk, comes all the girls in the class fall in love with him and that makes Harold jealous.
Rachel tells Tommy that her family is moving away so she breaks up with him. Chuckie, Kimi, Lil, and Phil feel sorry for Tommy so they try to make him feel better.
Meanwhile Charlotte invests in Dil's board game Impatience.
Kimi and Susie start a petition to ban cell phones in school. When Angelica finds out she starts her own petition to allow them. However when no one will sign her petition because she was mean to them she makes Chuckie help her so they will sign it.
Didi stops Tommy and Stu from watching television because they have become obsessed with it, and she tels Betty and Chaz to do the same. So with the gang televison -less they decide to find another way to entertain themselves.
Dil receives an alien autopsy from a 11th grader and makes plans to watch it with Tommy, while his parents are at an Invention Convention. But when Didi tells them that Grandpa Lou is going to babysit them, they decide to make plans to watch it in the basement, by making Grandpa Lou fall asleep. While, sneaking downstairs Grandpa Boris comes over and starts fighting with Grandpa Lou. So the boys decide to try to make both of them fall asleep before Dil has to return it to the 11th grader that gave the tape too him.