After a fall from grace, the perfect and popular Kacey Simon forges an unlikely friendship with the band Gravity 5. As their new lead singer, she ignites a musical rivalry between her new band and her old band, The Perfs.

Kacey misses sitting at her old lunch table and will stop at nothing to take it back from The Perfs. Meanwhile, Kevin and Nelson lead a protest against the lunch ladies, who turn all of their favorites foods into gross stews.

Kacey is determined to outshine Molly at the school dance. She sends Stevie undercover to find out what Molly will be wearing, but when Stevie realizes she's being used, she comes up with a plan of her own.

After The Perfs' music video goes viral, skyrocketing them to school-wide fame, Kacey rallies Gravity 5 to make a video of their own to out-do The Perfs. But, Gravity 5 doesn't exactly share Kacey's vision for the video.

Gravity 5's hangout is a total mess, so they make a bet to each give up their favorite habit - and the winner gets to watch the others clean. Kacey thinks giving up her phone will be easy- ... until a cute boy sends her a text.

Kacey gets Gravity 5 invited to the biggest party of the year, then schools her bandmates on how to fit in with people like The Perfs. Will Kacey's efforts save the party or completely ruin it?

When Zander enters a school art contest to impress a girl, Kacey offers to "help" by being his muse. Instead of helping, she accidently breaks Zander's statue and must quickly find a way to recreate it.

Kacey has a crush on a senior boy. Just as she's about to get a date with him, Molly pulls a prank, leaving Kacey humiliated. Gravity 5 pulls a revenge prank, but it backfires, leaving Kacey and Zander's hands glued together.

When Kacey needs to pay her mom back for a huge credit card bill, Stevie gets Kacey a job at Danny Mango's. But Kacey's free smoothie giveaway gets out of control!

It's the night before Christmas and all through the mall, not a creature is stirring, except Gravity 5 - who have gotten locked in. What makes it even worse for Kacey is that Molly is locked in, too.

It's Kacey's first birthday as a member of Gravity 5 and she wants to have a huge party. Only problem- it's Nelson's birthday, too. Kacey tries to share her party with him, but won't give him any say in the details of the party.

The gang is in charge of the school news broadcast and both Kacey and Molly are vying to be Head Reporter. As the producer, Stevie gets to choose and picks Molly because she's generally more serious.

When every kid in school is required to join a sports team, Kacey reluctantly joins Stevie's basketball team, only to discover she's pretty good. But Kacey's drive to win puts their friendship to the test!

Kacey is running for class president and promises a performance by Big Time Rush if she wins. But after a string of crazy events, Kevin is also in the race. Now she must decide what's more important, her friendship or winning?

Zander is writing a love song but won't let anyone see the lyrics until he's done. Kacey and Stevie are too curious to wait, so they sneak a peek at the lyrics, and each becomes convinced that they are Zander's secret crush.

Halloween has arrived and Kacey is torn between going trick-or-treating with Gravity 5 and going to a Perfy party. She dozes off on the couch and ends up in a dream where the Perfs are vampires and Gravity 5 are werewolves.

Kacey and Molly get ultra-competitive about the fashion they wear to school, leading the principal to enact a strict uniform policy, which everyone hates. The two rivals must then work together to reverse the policy.

Kacey wants Gravity 5 to have their own photo in the yearbook, but only official clubs get their own page. When Kacey tries to bend the rules, it ruins their yearbook photo and threatens embarrassment for the band.

Gravity 5 and the Perfs team up to make an audition tape for the TV show "High School Sensation." But when Kevin forgets to send their tape for the deadline, the whole group is crushed. To redeem himself, Kevin tracks down the show's host.

Kacey is not happy that the Perfs' volunteer project is getting more attention than Gravity 5's project, so she uses a foot injury to get special attention. When her friends find out, they plot revenge.

On a school camping trip, Gravity 5 and the Perfs have to rough it like prisoners to get a passing grade. Out in the wild, it's not Kacey or Molly but Grace who has the skills to lead, and her leadership skills get tested.

Kacey must design a clothing line in order to win an internship with a famous fashion designer. When her designs aren't as fabulous as she'd hoped, Kacey has to deal with not being great at something for the first time.

The Perfs have front row seats for an awesome concert; Gravity 5 can't even get tickets. Masquerading as arena employees, Gravity 5 sneaks into the concert, but when security catches on, they have to make a run for it!

A pop star decides she wants Gravity 5 to tour with her. But there's a misunderstanding- the star only wants Kacey is happy for Kacey, but the Battle of the Bands is approaching and now they have no singer.

Stevie is too shy to ask a guy to the dance so she gets Kacey to ask him for her through a singing telegram. But the guy gets the wrong idea and asks Kacey to the dance. Zander, Kevin and Nelson sing telegrams which backfire wildly.

Kacey gets to prove she's responsible when Mr. March asks her to watch his flea market booth. But when she runs off for a driving lesson, Mr. March's prized tennis ball gets destroyed, meaning Gravity 5 and the Perfs must replace it.