Gordo, always the nonconformist, has a new passion: 1950s & '60s Las Vegas lounge culture, as epitomized by Frank Sinatra and the ""Rat Pack."" Lizzie and Miranda don't care for it, but they buy Gordo a Rat Pack CD. Ethan Craft listens to it on the bus and, surprisingly, likes it, which makes the girls reconsider their opinion. Soon they are dressing in fashions of the time. Gordo thinks it's cool that they like it, but hopes that his new interest won't become the latest passing fad at school. But that looks like exactly what is happening as Ethan soon has all the guys wearing hats like Sinatra and listening to the music. Even Kate is admiring the girls for being in first on the new trend and actually asks for their advice on what to do!

Lizzie, who is writing for the school newspaper, asks for the assignment of covering the school's production of Mr. Escobar's play ""Greasier."" Miranda is overjoyed when she unexpectedly gets the lead in the play. When Lizzie and Gordo go to rehearsal, however, they are dismayed to find that Miranda is a terrible actress, and clumsy to boot. Miranda is confident before the opening of the play, but her performance is no better and she destroys most of the props and scenery. Lizzie can't bring herself to write the bad review Miranda deserves, but Gordo thinks she'll be able to take it. Lizzie writes a review that is honest, but goes easy on Miranda. Her friend doesn't see it that way, though, and thinks Lizzie has betrayed her. At lunch they get into a big fight.

Lizzie is in a frenzy because Ethan Craft has asked her to sit with him at lunch the next day. But at home she still has to put up with bratty brother Matt, who put honey on the phone receiver and messed up her hair. Lizzie is furious with him and this time his parents are also very upset, too. They ground him and Mom says there will be more severe punishment to come. Matt races to catch the bus, but he gets on the wrong one, the junior high bus. Ethan Craft tells him to get out of his seat, but Matt stands up to him, which Ethan likes. He tells him his name is ""Bond...Matt Bond."" By the time they reach school, Matt has created a legend for himself as a child prodigy, actor, etc. and his reputation has already spread all over school.

Lizzie and Miranda feel neglected, when Gordo spends more time with his new girlfriend, Brooke. They are unable to come to terms with the fact that Gordo has a girlfriend now and he is drifting away from their group. Meanwhile, Matt learns about "percentages" from his father and starts accepting bets from his friends, but he eventually lands in trouble when his mother finds out about this.

Ethan invites Lizzie, Gordo and Miranda to go bowling with friends on the weekend. Of course the girls are thrilled but Gordo isn't so happy--bowling is something he's not good at. In fact, he got so nervous doing it before that his fingers swelled up and the ball had to be cut off his hand! Miranda says she will be Gordo's ""life coach"" for bowling and tries to teach him him a kind of mystical philosophy (""Be the ball!"") Meanwhile, Matt and Lanny are trying to think of what they can do to stop the bully Heywood Biggs from picking on them.

When Sam McGuire hears Lizzie talking about her sort-of date on the phone, he worries that he's not involved enough in his daughter's life. He asks her if she'd like for just the two of them to go out to dinner on Friday so they can spend some time together. Lizzie agrees, but later realizes that the bowling date is the same night! She decides she'll have to ask her father to reschedule.

Lizzie auditions to be in a fashion show presented by "Teen Attitude" magazine at a local mall and she gets accepted. At the show Lizzie looks great on the stage. Afterward, popular girl Jessica asks Lizzie to come to a party at her country club. Lizzie gets Miranda and Gordo invited also. At the party, all three are enjoying the fun, including the hot tub. But already Lizzie's friends are acting different. When Jessica asks her about coming to another party, Miranda starts answering for Lizzie like a press agent and she and Gordo start negotiating future appearances for her like a supermodel!

At school things are very different, also. Kids stare at her in the hall like she's a celebrity. Kate is now fawning all over Lizzie, wanting to be her friend. Ethan is so starstruck that he can't even mumble a coherent sentence around her. Gordo and Miranda are as bad as anybody. Lizzie muses, "Gordo and Miranda aren't my friends anymore. They're my people!"

The middle school is putting on a big Fright Night celebration for Halloween. Lizzie wants to appear as Vampira, the dungeon mistress, but Kate is in charge and she keeps the job for herself, making Lizzie clean out the janitor's closet and then giving her the role of a clown handing out balloons. Miranda brings her parents, who are helping her celebrate a Mexican holiday, the Day of the Dead. They bring by several items including skulls and skeletons which are meant to represent ancestors who are being honored. Kate is all smiles when Miranda's parents are around (""Toon Lizzie"" calls Kate ""phonier than cafeteria cheese""), but once they leave she yells at Miranda to get rid of that junk they brought. Miranda warns Kate that by disrespecting the dead, she is risking their wrath.

Hoping to win a trip to Miami, Lizzie, Miranda and Gordo team up to enter the school's ""Fact-athlon."" Their rival team consists of Kate Sanders, Larry Tudgeman and Claire Miller. But things start to look a little bleak when the faculty advisor Lizzie and company chose is replaced by substitute teacher Mr. Dig. But to their surprise, Mr. Dig manages to turn studying into something fun and interesting with his unusual approaches. By the time the competition starts, Lizzie's team is confident while Kate, Larry and Claire are feeling the pressure. But Kate's team beats Lizzie's team badly when there are too many questions about dates and names rather than ""how and why"" problems. Kate and her teammates gloat over their win and Mr. Dig is ready to leave his job at the school because he thinks he let the team down, But Lizzie, Gordo and Miranda convince him they they actually did learn a lot and that they had a good time doing it.

Lizzie, Miranda and Gordo are obsessed with a Spanish game show, "El Oro de Montezuma." Miranda's cousin, Carlos, is scheduled to compete on the show and Lizzie and her friends decide to be on his team.

Lizzie and her mom become best friends after reading a book in social studies.

When Kate dislocates her shoulder during cheerleading practice, Claire usurps Kate's position as captain.

Lizzie must watch Matt and Lanny and she tries to be responsible and stops the boys from playing with her dad's prize possession, a football autographed by the legendary Walter Payton. But Matt and Lanny managed to deflate the football anyway. Lizzie and Matt know they're in BIG trouble if they can't get the ball fixed.

Lizzie learns what sort of things Ethan Craft is into in order to transform herself into his ideal date.

Lizzie and Matt switch bodies for a day, a la Freaky Friday. Matt (in Lizzie's body) and Lizzie (in Matt's body) go to each other's school and end up in amusing situations.

Miranda accidentally bumps into a lipstick display, upsetting the contents, she hurriedly puts things right, then tells Lizzie and Gordo she wants to leave, but the security guard stops her and wants to check her purse. Inside he finds a brand of lipstick from the display. Miranda protests that she bought it at the store last week and asks Lizzie to back her up, but Lizzie doesn't help her out.

Lizzie starts feeling inferior when she realizes a lot of the other kids around her have special talents and skills that they've developed, including Gordo with his film making and Miranda with her violin.

While Lizzie and Kate are stuck working together for the Spring Fling committee, Lizzie sees Kate knock over the bust of the school's founding principal. When Principal Tweedy discovers this, he cancels the Spring Fling unless the person responsible comes forward.

Lizzie and Gordo worry about Miranda's diet; Matt expresses interest in the fine arts.

Gordo skips a grade and gets promoted to high school. After initial euphoria, Lizzie and Miranda start to miss Gordo.

A major food fight is raging in the cafeteria. Principal Tweedy walks in and sees Lizzie, Kate Sanders and Larry Tudgeman right in the middle of things and calls them to his office. For punishment, the three will have to clean up the huge mess and do some community service.

Parker, a girl that Gordo likes, turns down his offer to go with him to the school dance because of his height.