A new girl, Emily Kmetko, comes to train with they veterans at the gym and finds that they are both impressed and threatened by her.

The exit of Coach Marty and one of "The Rock's" top guns, Lauren, causes chaos at the gym. Prompting Payson, Kaylie and Emily (with Becca in tow) to head for Denver with a plan to confront them about their defection. All of this happens at the same time as the Cruz's (Ronnie and Alex) invite everyone to the mansion for a meeting. Meanwhile, Lauren is less than pleased at the cool greeting she receives at the new gym. And shocked by the discovery that she makes concerning her father and his 'Personal Assistant', Summer.

Tensions are still high at The Rock as the girls continue on without direction and with the surprise return of Lauren, Steve and a possible new heavyweight coach. Before the new coach's strict workout regimen takes effect, Emily, Payson and Kaylie decide to hit up a high school party to blow off some steam. Once at the party, Emily has an uncomfortable run-in with Razor, Kaylie has a fight with Carter after he realizes she lied to him, and Payson can't believe she's wasting her time at such a trivial event. Bringing more stress than fun to their lives, it's not exactly how the girls envisioned their evening.

Meanwhile, Lauren's birthday takes a wrong turn when Summer shows up at her birthday dinner.

After busting them for going to the party, Sasha puts the girls through a rigorous day of training and team building.

With a lack of funds facing The Rock team for Nationals, Kim and the other mothers decide to host a mother-daughter fashion show. But what starts as a fun idea ends up causing trouble for everyone. Ronnie is so busy with the details that Kaylie feels ignored, especially at a time when she could really use her mother’s advice about love and sex. With her mother out of the country, Lauren is paired up with Summer, much to her chagrin, but tries to use this opportunity to catch Carter’s eye. Furious at Chloe for spilling secrets to Damon, Emily is mortified for her “out there” mother to even be at the gym, let alone to walk a runway with her, while Payson, not wanting to waste time with “girlie things,” tips off Kim that maybe she hasn’t been a great role model in the feminine world. Will all the mother-daughter teams get it together in order to raise the money, or will the whole show become a nightmare that puts everyone at each other’s throats?

Meanwhile, after spotting her with Carter, Summer gets the feeling that Lauren is over her head in the boy department and tries to help by opening up.

Taking a gamble that the girls are ready and can use the motivation for Nationals, Sasha invites Marty and the Denver team to The Rock for an invitational meet. Payson is determined to show that she is the best, but when an old injury flares up, it might have devastating results. Emily is also resolved to show what she can do, but Sasha has other, less advanced plans for her. But with reigning Nationals champion Kelly Parker (guest star Nicole Anderson, “JONAS”) in tow, are the girls really ready for the Denver gym and this challenge?

Meanwhile, Carter has to rethink his relationship with Kaylie when Sasha and Lauren give him an ultimatum.

The Rock is gearing up for Nationals, and with that comes more pressure, while Emily has to deal with the consequences of her actions.

With everyone gearing up for Nationals, the pressure is on at The Rock. To celebrate, the Cruz family is hosting the Nationals send-off party where, it turns out, everyone has his/her own agenda. Still dealing with her back pain, Payson decides to take a fellow gymnast up on his offer for some anti-inflammatory medicine behind her Mom's back. Summer plays a new card in her relationship with Lauren to see if she could finally turn things around. Lauren, on the other hand, has decided to make her final move to break up Carter and Kaylie for good, with explosive results. But with all the drama going down at the party, what should be a fun event turns out to be something very different.

When Carter comes clean about his infidelity Kaylie takes off the night before leaving for Nationals, and the girls must track her down before it's too late.

The National Gymnastics Championship in Boston has arrived and now everything the girls of the Rock have been working for is at stake. Can Emily pull it together on the biggest stage of her life? Can Lauren put aside her anger towards...everyone and pull off a gold medal winning meet. Can Payson get past the back pain and finally beat Kelly Parker on the National stage? Find out in the Mid-Season finale.

Kaylie faces the challenges of being a national champion; Payson tries to come to terms with her injury.

The girls devise a plan to get Marty fired; Sasha attempts to find a place for Payson at the gym.

Kaylie and Nicky pose for a spread in the Seventeen magazine. They're billed as the golden couple, but there's definitely tension on set.

Payson's life is about to get a bit harder when she has to become a regular high school student after being home schooled all her life. With the chaos at school, Payson feels more like a loser than ever and she becomes the new target for the school queen bee. Things get even worse when Kaylie, Emily and Lauren show up to see her. But when she meets a fellow loner Ike, things start getting better. Is Payson going to survive High School?

Meanwhile, Sasha tries to make the annual Open House a fun activity. When he pairs Kaylie and Nicky for a special performance, the fun is over for the two of them.

Valentine's Day is just around the corner and whether they like it or not, the girls have to face the ones they love. Payson receives flowers and chocolates from her new friend at school, which prompts The Rock parents to over-analyze the situation. Meanwhile, Summer and Sasha share a "moment" of their own.

The girls all attend the prom at Payson's school, and Emily unexpectedly sees Damon there. Meanwhile, Lauren discovers that her dad is dating Chloe; Carter tries to reconnect with Kaylie; and a doctor suggests an experimental procedure for Payson's back.

Emily finds out that her mother is dating Steve after Lauren confronts Chloe. Meanwhile, Payson has an appointment with a top-ranked back surgeon; and the National Team must prove their worth and step up their game.

The girls raise the bar with their training in preparation for a competition against the Chinese team, but troubles at home and confidence issues plague them. Meanwhile, the moms hold a fund-raiser to cover the Chinese team's travel expenses.

The Girls get ready for China. While the mothers help out making the girls feel welcome when they go, Damon and Emily confess their feelings toward each other, which makes Razor feel even worse, and Lauren tries to convince her Dad to break up with Chloe.

In the season finale, everything is put on the line as the girls go up against the Chinese team to prove once and for all that they're the best.

After going rogue and defeating the Chinese National Team but going against the NGO, the The Rock girls are at their best. But when they find out the National Team is having team practices without them before an Invitational meet in France, the girls are not that confident that they will make the cut. And now Payson is back and she is determined to get to the top once again, but is she really ready? And Carter and Lauren's relationship is starting to heat up, but when will they let Kaylie know about it?

After being allowed back on the U.S. National Team, the girls head to France where everything is left on the mat in order to get one step closer to achieving their dream. With cockiness, jealousy, sabotage and self-doubt at an all-time high, as well as Ellen Beals constantly looming over the girls, the pressure is almost too much to bear. For Kaylie and Lauren, the bickering continues, while Emily pines for Damon and Payson puts her Olympic future on the line. Will Emily be able to have it all – gymnastics and the boy she loves? And will Payson be able to defy the odds and qualify for the National Team?

When the men's Olympic champion, Austin Tucker, begins temporarily training at The Rock, egos clash when he tries to move the girls' equipment. To settle the matter between the male and female athletes, Sasha decides the two must compete for gym space, but there's a catch – the girls must perform on the men's apparatuses and vice versa. With Payson unsure about her future in the gymnastics world, Kaylie, Emily and Lauren are forced to face the men on their own. Will they be able to beat the boys and have the gym they made famous remain theirs? And will Payson choose to fight for her dream, or forever leave the sport that destroyed her?

The Rock gears up for the annual awards banquet dinner, The Rocky Awards, and Lauren is determined to win the Miss Congeniality award the best way she knows how – with bribery and cheating. But even after all the free smoothies, barrettes and massages, will Lauren get her way or will she be usurped by a silent but strong contender – Emily?

With World tryouts in the near future, Sasha pushes the girls to better their already difficult floor routines. During what should be a time to focus, Lauren instead finds herself looking to Carter to say the "L" word, while at the same time trying to one-up Emily. Lauren is not the only one facing challenges: Kaylie faces struggles on and off the mat, while Payson wonders if she can ever be the graceful flower Sasha envisions her being.

Austin throws a party at his lake house and invites the girls, but Kaylie doesn't want them go because she wants them to focus on their training. Sasha and Summer go on their first date while trying to keep their relationship under wraps.

Kaylie, Lauren, and Emily have their final National Team practice before World Team tryouts, and Ellen Beals seems to have it out for Emily before the practice even starts!

An ultimatum backfires on Chloe, and Emily struggles to help out her brother, Brian.

After a rough National Team practice, the girls must deal with the outcome. Thrown by the truth behind Emily's scholarship, both the Tanners and the Kmetkos must deal with the outcome of two very angry girls and two adults who are no longer sure they can trust each other. And when information surfaces about Lauren's relationship with Carter, could that secret be the nail in the coffin for Chloe and Steve? And with the true identity of the Kipman Group out there, will Emily be willing to swallow her pride and accept the money to keep her dream alive?

Lauren's mother returns to Boulder to forge a relationship; Damon takes Emily on a date.

World Team tryouts have finally arrived, and The Rock girls have to fight for spots on the team.

Kaylie is put in rehab for her eating disorder and makes a new friend, Maeve, a model who has been in and out of rehab before. Sasha decides to leave The Rock and move back to Romania. Emily is told that under her probation that she is under house arrest and must wear an ankle monitor.

The Rock gets a new coach, and everyone (especially Payson) is a little skeptical about her ability to coach them properly. Lauren, however, sees this as an opportunity to get off on the right foot with a new coach that doesn't know about her manipulative tricks.

After being made co-captains, Lauren and Payson are at each other's throats. Steve finds the altered video of Payson and Sasha's kiss and confronts Lauren about it. Emily finally discovers that Chloe's new job is at a strip club.

The Rock girls prepare for a meet with the Pinewood Club, the worst-ranked gym club in the country. The girls worry that the Pinewood Club won't give them enough of a competition to prepare them for an up-coming international meet in Hungary. Meanwhile, Damon and Kaylie become closer as he starts recording his album at the recording studio in Kaylie's house.

On the way to the international meet in Hungary, the girls get a connecting flight to Romania to convince Sasha to come back to The Rock.

Emily's worst fears about Damon spending so much time with Kaylie are realized when Kaylie confesses to kissing Damon.

Kaylie finally returns to training at The Rock, but the public is under the impression that her time away from the gym was from an ACL injury, not rehab for anorexia. Soon after, Sasha announces that Kelly Parker is going to replace Emily on the World team, and that Kaylie will be replaced, as well, since she has not had enough time to train.

Kelly Parker's manager, Shelia, arrives at the gym and starts scheming to make Kelly the most recognizable girl on the team, which includes trying to get Kelly to sabotage Kaylie by exposing her anorexia to the public. Meanwhile, Payson and Max come across a stray puppy while out jogging, and as they try to keep the puppy hidden until they can find it a home, Lauren becomes jealous of the amount of time they're spending together.

Shelia continues her quest to ruin Kaylie, which now involves taking away Kaylie's new endorsement deal with Healthy Bar. However, after hearing Kaylie give an interview about how Kelly should be the team captain because of her experience and accomplishments, Kelly starts to feel differently about their rivalry. At the same time, Kim and Summer start to put the pieces together about the true origins of the Payson/Sasha kiss video.

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The Rock girls meet their new coach for the national team.

Coach MacIntire introduces a new training technique that pairs up each of the girls with a permanent training partner.

With only six weeks to go until the Olympics, Coach MacIntire is starting to feel the pressure as it appears his coaching style is not yielding the results everyone was expecting.

The girls are visited by their families, and Payson's dad gives her some bad news while Kaylie tries to curb her parents' feuding by making Austin tag along to a family dinner. Elsewhere, Lauren is advised to consult a doctor about her condition.

The girls compete in the semi-qualifications. Meanwhile, Kelly's mother tries to take down Kaylie; Payson gets overprotective about Lauren's health issues; and a new curfew halts Payson's burgeoning romance.

Lauren is heart-broken to discover that her heart condition will require surgery and wonders how this will affect her chances of making the Olympic team.

Lauren undergoes an experimental procedure, and her recovery time weighs heavily on her future as a possible Olympic gymnast. Elsewhere, Jordan's world is shaken by the arrival of an unexpected visitor.

In the series finale, Payson boldly changes her floor routine, jeopardizing her spot on the team. Meanwhile, Kaylie's shocked by her drug-screening results; Lauren weighs her recovery against her Olympic dreams; and Jordan won't accept help from Kaylie.