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.

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.

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.

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

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.

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

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.

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.

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?

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.

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