The Diffy's discover Curtis the Caveman stowed away in the time machine and now it's up to Lloyd to decide if they should keep him. Pim goes to Debbie's sleepover and tries to find a way out.

Phil skips Unification Day to go to a party that he can't even get in to. Pim cheats on a cooking assignent, so she has to bake something homemade.

Phil tries to find out if Keely's crush is cheating on her by using his "insta morph" to make himself look like Tanner.

Phil's poor penmanship lands him back in Miss Winston's second grade class. Tanner shows him up in front of the whole school, but Phil learns to laugh at himself.

Phil and Pim worry that Lloyd will embarrass them when he plans to play American folk music at their school concert; Barbara takes Curtis to a dentist when he gets a toothache.

Phil tries to dissuade another girl's affections; Pim joins the orchestra to sabotage Debbie's solo; Pim meets Bradley Benjamin Farmer.

Pim and Phil start school in 2004. Phil meets Keely and offers to tutor her in Algebra. Pim tries to get through her first day of school. This is the pilot episode of the series. This episode, "Future Jock" and "You Say Toe-Mato" aired as a three-episode event on August 13, 2004

Phil and Keely go to the Tomato Ranch. But Phil is worried about going in the tomato mashing tub as he only has 4 toes.

Phil and Keely start a day-care service for dogs to earn money for concert tickets. Phil uses a futuristic gadget to understand what a dog is saying.

A school video project causes Phil to overlook his friends' feelings; Pim is recruited for a track meet.

Debbie enlists everyone is school to help her bake cupcakes except Pim. But soon enough Pim is forced into giving the drum beat to the bakers. Phil and Keely try to help the helpless bakers.

Phil tries to impress the mayor's daughter but things get bad when he switches places with Curtis. Pim realizes that she can't stand Debbie and doesn't even want to be her friend.

Phil and Keely pretend to be in cheerleading to impress Mrs. Teslow. Pim tries to find the one thing that Debbie can't stand.

Phil's future "friend" comes to 2121. He offers the Diffy's a way to get home. Will Phil choose the right decision?