Sister, Sister : Season 4

Geeky Roger transforms over the summer.

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 Tia begins spending more time with Ray.

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 Tamaera goes with the ego m

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.

Tamera, who's never been away from home, reluctantly accompanies Tia on a parent-free ski trip. But when a snowslide buries their cabin, it's Tamera who shows nerves of steel.

Lisa gets a second job as a cafeteria worker at the twins' school and adds zest to the lunchline; everyone seems to be sweet on her efforts but Tia, who's embarrassed.

On Valentine's Day, Tia and Roger are mysteriously struck by Cupid's arrow, which leaves Tamera feeling alone and brokenhearted. Meanwhile, Ray participates in a charity bachelor auction, where his plans to earn the most money backfire. Martha: Adrian Ricard. Anya: Persia White.

Tia is chatting to some guy called Verique on-line. Tamera then sends Tia's picture to him and he reply's saying he likes it and that he is a photographer. Tamera is totally excited then cause she thinks that if Tia makes it big then she can too! They both then ask the parents if they could go and they both say NO!! Tamera then pretends to be Tia and goes anyway! Rodger comes round looking for Tamera to see a movie when they find Tia and Tamera's room a total mess and then they see the email tha

In exchange for tickets for a sold-out Boyz II Men concert - which Roger failed to get - Tamera promises Elliot, the school nerd, to get Tia to date him. During his make-over, helping Tamera herself starts to see Elliot as the perfect guy. Lisa goes different ways when she expands to dog fashion which soon leads her to the top - and stress.

Tia and Tamera enter a rope-jumping contest, but Tia loses her confidence when she sees a bully from her childhood; Lisa convinces Ray to be Roger's substitute dad.

Tia gets some new smart friends making Tamera. Then when copies of her personal journal are passed around to the other students she accuses Tamera of stealing it ending them in Student Court.

Tamera learns that life isn't a bowl of cherries when she and Tia are pitted against twins Mary-Kate and Ashley Olsen on a TV quiz show where she is transformed into a human sundae.

Tamera discovers her new friend is a shoplifter.