TNS East and TNS West simultaneously rehearse their routines for the dance battle in their respective studios under their respective studio heads' watches. Both Michelle and Emily are fixated on having flawless routines, but Emily also confesses that she needs somebody special to be the tenth dancer on her team. The following day, the teams will finally face off against each other.
Emily allows her troupe a break. When the other dancers have left for Neutral Grounds, Josh asks Zara how her math club took it when she told them that she couldn't make it because of the dance battle, but Zara admits that nobody other than them knows about the clashing events. Zara reveals that there is an hour between the competition and the battle and that she will just take public transit to get to the latter. Josh doubts that Zara's plan will work and decides that if Zara won't tell Emily, he will. Jacquie approaches Noah in Neutral Grounds with her competitive streak on full display, admittedly intimidating Noah.
Emily enters the locker room where Danielle, Jordan, and Zara are. After the former two hurriedly leave, Emily approaches her about the math competition. Realizing that Zara is unable to make a decision which, in turn, could jeopardize the team's chance at winning, Emily pulls her from the lineup but nonetheless wishes her luck at the competition. Zara is left feeling betrayed by Josh. Emily approaches Michelle in her office. She tells her about her situation and suggests that they have a quintet battle instead; if her team wins, she will give Michelle a spot on the team. Michelle agrees, only so that she can beat Emily fair and square, as she assures Emily that she would never join her troupe. The members of TNS West stretch as Emily enters Studio A with her dancers in tow. A few members of TNS East admit that a surprise dancer will be filling in the fifth spot of the quintet. Noah wishes Jacquie luck, but is met with her competitiveness once again. Noticing that only four TNS East dancers are warming up, Piper asks Richelle who their fifth dancer is. Just then, Elliot enters the studio, answering Piper's question. Michelle and her dancers are disgusted by this situation, with Elliot confessing that with his knowledge of TNS West's weaknesses he is ready to crush them.
Kate enters the studio with James and Riley, who will be helping her judge the competition. Riley thinks that Emily's team will win, while James thinks Michelle's will, resulting in a bet; if Emily wins, James will have to wear his dad's powder blue suit with a ruffled shirt to her business school mixer and if Michelle wins, Riley will have to bring a sign to his concert that reads JAMES IS A BUBBLY BABE. Henry, Noah, Piper, Heather, and Ozzy compete first. While Emily admits that the dance is good, she still feels confident about winning.
Jacquie, Richelle, Elliot, Lola, and Amy perform. Midway through the performance, Zara rushes in (the math competition having overrun), making her realize that she was late after all. When the performance ends, Kate, James, and Riley tell the dancers that they will deliberate and go into the office to do so. With the dance-off over, Jacquie approaches Noah with her normality returned. Noah and Jacquie agree that, next time, they just won't talk to each other at all while Jacquie is in competition mode. Adam enters the studio and beckons Josh, telling him that their parents are waiting in the car to drive them to his hockey banquet. Despite the banquet being four hours long, Josh assures Adam that they can leave without him. Josh is unsurprised by his family prioritizing hockey over dance yet again. Amy assures Piper that she danced amazingly and the two hug, only to be left in simultaneous worry upon watching Kate, Riley, and James deliberate from afar. In the office, Riley and James both vie for their respective teams. Kingston notices Lola biting her nails, a habit that he does when nervous as well. He advises her to find a distraction from it, such as hoverboarding. Both Michelle and Emily nervously pace, hoping their team wins, but admittedly unsure. Kate, James, and Riley finally make their decision and re-enter the studio. Kate announces that TNS East is the winner. As Emily celebrates with her dancers, Michelle and her dancers are forced to accept defeat.
- This is the first season or half-season premiere to have a "Previously on" segment.
- Unlike the past three seasons, this mid-season premiere does not feature a group dance at the beginning.
- Elliot is a member of TNS East.
- TNS East has won the battle and will be going to Regionals.
- Riley wears the promise ring that James gives her in "A Change Is Gonna Come."
- TNS East's group routine incorporates Daniel's choreography from Piper and Amy's duet from both "Dance, Lies and Hoverboards" and "No Good Deed".
- The title of the episode refers to a song of the same name by Frankie Valli and the Beach Boys.
- Shelby Bain as Amy
- Victoria Baldesarra as Michelle
- Alexandra Beaton as Emily
- Alexandra Chaves as Piper
- Julian Elia as Elliot
- Myles Erlick as Noah
- Dawson Handy as Josh
- Akiel Julien as LaTroy
- Julian Lombardi as Ozzy
- Jessica Lord as Lola
- Hanna Miller as Heather
- Briar Nolet as Richelle
- Isaiah Peck as Henry
- Dylan Ratzlaff as Jacquie
- Milaina Robinson as Zara
- Noah Zulfikar as Kingston
- Danielle Ching as Danielle
- Ben Jaremko as Adam
- Jordan Letlow as Jordan
- Brittany Raymond as Riley
- Trevor Tordjman as James
- Bree Wasylenko as Kate
- Jade Whitney as unnamed TNS West member
- "Fist Pumps"
- "Look Alive"
- "Take It to the Top"
- "Top of the World (Female Vocals)"
- "Top of the World (Male Vocals)"
- Main article: East Meets West/Quotes
- Main article: East Meets West/Aftershow
| "Look at that painting!"
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- ↑ TV Listings Grid, TV Guide and TV Schedule, Where to Watch TV Shows - Screener. Zap2It (September 9, 2017). Retrieved on September 9, 2017.