Love is a many-splintered thing: Lisa and Terrence are on the rocks, leaving Ray friendless and Lisa upset when he tries to hang out with Terrence. Meanwhile, Roger tries to use reverse psychology to win Tamera's heart, but winds up kindling interest in Tia and conflict between the sisters.

Tamera's scheme to get a date has her trying to fill Tia's shoes as a tutor for the captain of the football team. Meanwhile, Ray plays chauffeur to help Lisa turn heads at her high-school reunion, where she looks forward to meeting her old flame David Johnson.

The twins nab Ray's car on Halloween to search for a party, but end up at the Canadian border and on the late-night news.

Lisa and Terrence were going to take Tia to a time share in Hawaii for Thanksgiving, but since their break up things are different. Lisa thinks Terrence won't go, and Terrence thinks Lisa won't go. Of course, they both do go. Lisa invites Ray and Tamera to join them for a family Thanksgiving while Terrence invites Tonya, Ray's ex-girlfriend. When they all show up at the condo, chaos ensues. A traditional Thanksgiving this is not. The twins decide to slip out and explore the island, only to find themselves on a sail boat drifting out to sea. John Ratzenberger guest stars as ""Gus"" the transplanted islander/handyman of the condo complex.

The adults realize that the girls are missing and set out to find them. When Tia accidentally falls overboard, they realize that they have drifted out from the shore, but the water is still only 2 feet deep. They get back to shore, only to find that the adults have gone out to sea in search of them. The twins decide to head back and begin making Thanksgiving dinner, so their parents won't be so angry when they get home. When everyone is finally back at the condo, they begin to have that long awaited Thanksgiving dinner when a tsunami warning sounds, and they all duck for cover.

When Tia and Tamera volunteer for community service at a retirement home, Tamera's charge Edgar (Berle) proves to be more than she can handle. Meanwhile, Ray's stint as a teacher turns into a snooze-fest for his students.

Tia is messin' with everybody's minds when she tries to apply techniques she learned in psychology class to Tamera, Ray and Lisa when she discovers that Ray and Lisa have exchanged valentines; Tamera goes to the Valentine's Day Dance with Roger after she is jilted by the boy she originally asked.

Ray tries to encourage Tamera by over-praising her piano playing, but the truth comes out at a recital - much to Tamera's embarrassment. Meanwhile, Lisa organizes a yard sale that turns into an expensive proposition for Ray.

Everyone's fooled when the twins switched identities so Tia can get close to a boy and Tamera can escape summer school - until their grandfather shows up and sends everyone into an uproar.

Tamera enlists Tia's aid to compete with Rhonda for class president in the school election, but after she's elected she quickly forces Tia out of the limelight. Meanwhile, Ray gets some help catching a neighborhood burglar from a bumbling mall security officer.

Tia lies about her age to her new college-boy beau Michael, making her popular with the cool coffeehouse set - and leaving Tamera out in the cold. Meanwhile, Lisa and Terrence seems to be on the way to a romantic reconciliation.

Casey Kasem, an alumnus of Roosevelt High, is scheduled to return to his alma mater to dedicate a performing arts center, and an audition is held to pick a student to perform at the festivities. Meanwhile, Ray bets Lisa that he can tighten his weekly budget to a measly twenty dollars, only to find out that the belt is a bit more snug than he anticipated.

Unbeknownst to the twins, they both develop a crush on the same, unlikely guy.

After an ugly encounter with last year's prom queen, the twins start feeling insecure about their looks and question Ray and Lisa about their birth mom. Meanwhile, Ray tries to think of a birthday gift for Lisa.

The twins are riding high after Tim and Lisa buy them a convertible. But their days in the fast lane come to an abrupt halt after they drive the car into Lake Erie.

Tamera grows jealous when Ray begins spending more time with Tia and invites Tia to a father-daughter dance.

Ray helps the twins bounce back after they try out for the cheerleading team and make the C squad, a.k.a. "the odd squad." Meanwhile, Lisa's gimmick to attract new customers backfires.

After the twins' rival steals their friends by hosting a party where the NBA's Kobe Bryant (who has a cameo) is a guest, they kidnap a star rapper (Christopher "Kid" Reid) and have their own party. Meanwhile, Lisa dates a doctor.

Tia's childhood friend moves back to Detroit from Atlanta and woos Tamera with a wily form of Southern hospitality - until he escorts her to a wild party in a dangerous neighborhood.

Happy days arrive for Tia when she gets a job at a '50s-themed diner. But her time for "groovin' all through the week" without her twin ends when her boss (Darrow Igus) also hires Tamera. Meanwhile, Ray becomes Lisa's not-so-silent business partner.

Tia and Tamera set in motion a plan to get Ray and Lisa together for a romantic evening. But things come to a screeching halt after Lisa's friend Patrice pays her a visit.

It's time again for the yearbook photo to be taken. For Tamera, a moisturizer means the end of her dreams of a perfect photo. Last year's was a mess; this year, again? She turns to Tia who should stand in for her, and this time the photo turns out to be great. With that, Tamera now has even chances to become the beauty queen. Tia's own photo, however, doesn't present her best side, and she finds herself spurned by the other kids. Tia goes to the dance with Eliiot and Tamera goes with the egomaniac Pico

After learning that girls are restricted from hockey-team tryouts, the twins don male disguises and cross-check some extremely chauvinistic guys. Meanwhile, Lisa becomes addicted to home shopping.

Ray feels threatened by Tamera's devotion to her new substitute music teacher. Meanwhile, Lisa peddles her fashions on the street, and the local ladies misunderstand what's for sale.

Tamera experiences public humiliation of the high-school kind when Tia sets her up with her newest beau's brother - unaware that he's a pretentious 8-year-old. Meanwhile, Lisa receives a phone call from Calvin Klein after he sees her billboard.