Penny tries to stop a rumor. She learns that rumors come and go and what's important is that she knows the truth. Trudy drags Oscar to her veterinarian awards banquet.
Penny decides it's time to stand up to the neighborhood bullies, the Gross Sisters, who relentlessly shake down the student body for their money. Meanwhile, Oscar and Trudy take the twins to Dr. Payne for their shots.
Penny's crush on a new boy at school has repercussions beyond her wildest dreams when she helps promote his music-sharing Web site.
It's "take your daughters to work day" and Penny decides that a day spent with any other mom would be far more interesting than a day with her own. Determined to reconnect with her daughter, Trudy drags Penny to her veterinarian clinic where she ends up curing an ailing circus tiger whose thoughts she can somehow hear. Meanwhile, Oscar, his brother Bobby, and Felix peddle ice cream at the Wizard Kelly All-Star game.
Penny's got the last spot on the cheerleading squad locked up-that is until Dijonay's preschool friend, LaCienega, shows up, and show's her up. To make matters worse LaCienega and the rest of the Boulevardez family have moved in across the street. Meanwhile, Oscar becomes obsessed with Mr. Boulevardez' amazing home theater.
When Penny discovers that she and her friends don't have even enough money for the Gross sisters to steal, she decides to organize a neighborhood strike for more allowance. When morale quickly erodes, Penny soon finds herself out on strike alone.
Penny's grades fall victim to a longtime grudge held between her teacher Ms. Dinkins and Suga Mama; Oscar and Trudy enroll the twins in a private preschool.
Penny breaks her father's no-dating rule when she goes to the amusement park and pairs up with a boy named Carlos. Elsewhere, her parents go on a double date to a day spa.
Penny's efforts to impress a boy at school land her on the football team. Oscar develops a new snack food called jelly poppers.
After the Prouds' neglect Suga Mama's poodle, Puff, he gets lost in a river and is sent on an adventure around the world. Meanwhile, Suga Mama has moved into Penny's room in order to cope with Puff's absence and the Prouds realize that it's their fault that Puff is lost.
Wizard Kelly sponsors a spelling bee and Oscar enters Penny so he can relive his days as spelling bee champ. Oscar gets caught up in having Penny win that he hinders the contest.
Penny is entrusted with her very own credit card, which she plans on using responsibly, but it seems to have a mind of its own. Oscar, meanwhile, nearly spends his family out of house and home in his attempt to catch a mouse.
Penny gives Olei a makeover and she starts hanging out with Penny and her friends. Her sister Nubia realizes that it's hard being the Gross Sisters without Olei by her side.
When Penny throws a party the same night as LaCienega, only Myron and the Gross Sisters show up. Suga Mama's old friend gets Penny out of her funk and she realizes family can be fun.
At a weekend BBQ, Oscar burns down the Boulevardez house; in an attempt to be a good neighbors the Proud's allow Sunset, LaCienega, Papi and Felix to move in.
After Penny bumps her head, she is transported to circa 1955 via a dream and experiences the true meaning of Black History month. After quickly learning that in 1955, her best friend Zoey is not her friend because she's white and integration of the school's is a new concept for the students, she uses her knowledge from the future to educate everyone on how important it is to come together as a unified people.
Penny is guilt-tripped into forming a relationship with a boy in a wheelchair on Valentine's Day. However, the boy turns out to be obnoxious and rude, prompting Penny to break up with him.
When Penny joins her friends on dance show, the girls become celebrities as group L.P.D.Z. Oscar puts restrictions on Penny, but she disobeys and attends a party anyway.
When the Prouds invite a homeless family over for Christmas dinner, the family stays for the seven days of Kwanzaa.
Sticky, dealing with his parents divorce, starts hanging out with a group of bullies called "The Altos." In order to knock some sense into Sticky, Trudy and Penny recruit Oscar to expose Sticky to The Proud Snack Factory believing Sticky will find a positive role model in Oscar. Unbeknownst to the Prouds, Sticky has ulterior motives. Meanwhile, Oscar is gypped by Wizard Enterprises when his company logo is not visible to the naked eye.
Penny is cast as Juliet in the upcoming school play of Shakespeare's Romeo and Juliet. Penny finds herself having a crush on her fellow cast member Kwok, who is playing Romeo, and is nervous when she finds out there's a kissing scene in the play.
When the Prouds discover their house may be haunted, Penny becomes a hero after eating one of Oscars' Proud Scary Snacks.
When Oscar agrees to bring popular children's show host, Thingy, to perform at the twin's birthday, he and Penny discover that Thingy is really Oscar's pretty old college friend, Debra, and Penny wrongfully suspects that they are having an affair.
Penny and her friends protest the cancelation of their favorite TV show.
When a music company hears of the group LPDZ, they all get a recording deal. Everything turns out well for them until Penny decides she wants to sing solo.
When there's a debate team at school Penny and Dijonay wind up on opposing sides. They start to argue about the issue causing a rift in their friendship.
Trudy and Oscar's families join together during the twins baptism, but during the whole time they all argue.
In order to win Sticky's love, Dijonay tries to make him jealous by flirting with a new boy from Hawaii.
Both the Proud and Boulevardez families get lost in the woods during a joint camping trip.
When Penny wins a chance to win $1,000,000 by shooting a half-court shot at the All-Star basketball game, Oscar convinces her to let him take the shot instead in order to fulfill a lifelong dream.
Oscar and Trudy send Penny to boot camp to keep her from becoming a bully.
Penny and her friends take a martial art class. When her friends drop the class leaving Penny solo, Penny decides to stick it out and learns the discipline of martial arts.
After Penny has an argument with her mom and dad, she wishes all the adults would just disappear. To her amazement, Al Roker appears and grants her wish and all the kids in the world start running things.
Penny rehearses for the debutante ball and meets a well-mannered man.
When Penny and her friends volunteer to be junior camp counselors, Oscar decides to have one of the camp kids spy on Penny to make sure she isn't hanging out with any boys.
The Prouds' new nanny charms the entire family except a jealous Trudy.
Suga Mama's latest recipe is much better than anything her son Oscar ever created with his snack company (which isn't saying much), and he attempts to capitalize on his mother's success.
LaCienega's new boyfriend, Lil Wiz, hooks up her friends with jobs at Wizard Kelly's store Wizingdale's. But when a watch is discovered to be missing by the store manager, they end up getting fired. Penny and Suga Mama then go in search of the thief that stole the watch.
Suga Mama announces that she is engaged to marry a man who Oscar is convinced is nothing but a fortune-hunter.
When Penny's Aunt Diana comes into town with her traveling telekinesis extravaganza, we learn that Suga Mama's younger sibling, Sister Spice, isn't all that nice.
Dijonay sneaks off to see a concert, leaving Penny to babyist all of their siblings.
When Mariah Carey's pet monkey, Francois, gets switched at Trudy's veterinarian office with Oscar's monkey, Mr. Chips, Francois is put to work at the Proud Snacks factory and Mr. Chips is living a life of luxury with Mariah.
When Papi is sent to a nursing home that turns out to be a front for an okra farm where the residents are forced to work, Penny and her friends join forces with Suga Mama to help Papi escape.
Penny and her friends spend the weekend at each others houses while writing a school paper about cultural differences.
Penny is running for school president against Wizard Kelly Jr., but unfortunately he's trying to buy everyone's vote. With the help of Zoey and the Gross sisters, Penny's friends try to sabotage Wizard Jr.'s campaign, but Penny prefers to take the high road and lose than resort to negative campaigning just to win.
Wizard Kelly puts on a "Tween Idol" contest with celebrity judges Alicia Keys and Randy Jackson, and Ryan Seacrest as host.
After Mongo, a famous wrestler, takes ill after eating Proud Snacks, Oscar must step into the ring as "Mama's Boy," with Suga Mama as his tag-team partner, to defend Mongo's title.
Suga Mama enlists Oscar to help her study when her driver's license expires and she must take the renewal exam.
Suga Mama becomes the manager of Penny's struggling baseball team and turns it around by filling them with confidence, only to lose her own confidence when she faces her old baseball rival, Cool Papa Mack.
Penny's wish that her twin siblings were old enough to take care of themselves comes true with the help of Al Roker, the magic weatherman. The twins end up more popular at Penny's school than Penny herself, who regrets that her wish came true.
Penny convinces her mom to let her adopt an abandoned duck, but begins to have second thoughts after the duck goes on a rampage and turns against her entire family.
When Penny's friend Michael is called a sissy, she takes responsibility for helping him defend himself.