Phil and Keely finally become a couple. Though Lloyd has all of a sudden fixed the time machine, now it's time for the Diffys to head back home. It's Keely's worst nightmare when she realizes Phil is leaving for real.

Phil and Keely are on a virtu-date and the robot waiter starts flirting with Keely and Phil is jealous.

When Tia moves away, Keely gets Phil into doing everything that she would normally do. So Phil hooks Keely up with the new girl.

After forgetting Keely's birthday last year, Phil is determined to make this the best birthday - or Nirday as it's called in the future - ever.

Lloyd realizes that the high school's time capsule could return the Diffy's to the future.

Phil is forced to cancel his school dance date with Keely; Pim uses the Wizard to create a date for the dance.

Lloyd and Barbara decide to go on a weekend road trip for their anniversery. They leave Phil in charge of Pim and if everything goes right then Phil will get an afterburner for his skyak. Once Pim hears this she is not happy and tries everything in her power to make the weekend go bad so Phil won't get the afterburner.

With the help of a futuristic gadget Phil decides to compete in the school's gymnastics tournament in order to impress Keely. Pim's impressed that her brother would do something as devious as her to get what he wants.

Phil and Keely offer to babysit Mr. Messerschmitt's nephew Nathan, and get more than they bargained for with the trouble making 5-year-old. Phil uses the New Ager, and the boy ends up 80-years-old.

Phil and Pim have been fighting all week. Lloyd and Barbara couldn't take it any longer so he called for a Versa Day. For one school day Phil and Pim have to switch lives. Meanwhile Lloyd wants to get Curtis a job....if only he could find a place that will hire him.

Phil finds out that a kid from his school is actually his great-great-grandfather.

Keely uses the "New-Ager" and pretends to be a substitute teacher, but she then gains the attraction of Mr. Hackett.

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 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 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 sick of everyone invading his personal space and jumps at the chance of living in the garage. He loves it, until he has to start paying his own bills and finds out how hard it is.

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

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 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.

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

Phil solves a problem that math teacher Mr Hackett says is impossible - and Keeley blurts out his answer in class. She's moved to the advanced math class and Phil has to come to her rescue.

When no one watches Keely's investigative reports show Pim comes to the resuce by offering to help make her popular amongst her viewers again but Keely realizes that Pim is just abusing her to make money and goes back to making "real news" with Phil.

Phil loses the wizard and to his suprise he finds that Mr. Hackett has it. Now Phil is on a mission to get the wizard back. Will Mr. Hackett find out Phil is from the future?

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'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.