Princess Lena Grisky, a student at the Paris Opera Ballet School, accidentally time travels from the safety and security of her life in 1905 to the fast paced, electronics-infused present day at the POBS, where she must fit in fast so her secret is not discovered.

Lena discovers that she and Henri can communicate through a brick at the Garnier. She learns about time travel and the dangers lurking. She immerses herself in life at the POBS, while hiding from the Time Collectors and trying to find her way home.

As the Time Collectors close in on Lena, Henri lays out a plan that he hopes will protect her. It works, but leaves her stranded in the future, while the Time Collectors, Benoit and Henri himself are scattered to another time period.

Lena has to accept she's going to be in the 2018 version of the POBS for a while. Henri makes the shocking discovery that while he's in the future, he's not in Lena's future. Luckily he meets Oscar, the timeless caretaker of all things related to time travel.

Lena realises she's not exactly fitting in like she'd hoped. She talks Jeff into rehearsing an assignment in the streets so she can see explore her new world. Lena gets caught up in the day and makes them late for class, almost missing an important BLOK rehearsal.

Lena and Thea become mentors to Violette but realise they're being played against each other by the young manipulator. Max is amazed when he gets an invitation to audition for secret underground promoter Paul G. When it doesn't go well, Max has a crisis of confidence.

Lena and Max are cast as star crossed lovers but things go horribly wrong when Lena believes the dance comes with a curse. She believes she and Max are destined to fall for each other and becomes so obsessed making sure that doesn't happen, she loses the part to Thea.

When Jeff suggests that Max and Lena are crushing, Lena tries to clear up the situation and follows Max home but is unprepared for his loud and nosey family who instantly pry. Max sets them straight by revealing that Lena has a boyfriend, which sends Lena spinning.

Lena, Ines and Thea are teamed together for an assignment and much to their surprise, Thea and Lena hit it off. So much so, that it causes a rift between Lena and Ines. Elsewhere, Henri is forced to work with the Time Collectors to build the portable time travel portal.

When Lena and Jeff clash during an important pairing, Lena teaches Jeff the importance of discipline in ballet, changing him as a dancer forever. Meanwhile, Thea's stage mother arrives turning her into a nervous wreck that begins Thea's spiral of revenge on Lena.

With the port-a-portal built, Clive and Pinky make their way to 2018 to grab Lena and the timepiece. Hoping to rescue Lena, Henri races through after them, and it's a race against time as to who will get to her first.

When Lena and Max are demoted from lead dancers to understudies, Max executes a plan to convince Gabrielle to give them their leading roles back. Elsewhere, Henri and the Time Collectors blame each other for the failed mission to 2018.

Excitement runs high the night of the mid-season show but just as Lena is about to go on stage, Thea hands her a letter from Henri, which tells her to meet immediately at a portal across town. When Lena gets there, Henri disappears before her very eyes.

After missing Henri at the portal, Lena returns to face the consequences of running out of the show. The crew band together to convince Gabrielle to let her stay and Lena's relieved until Gabrielle says she doesn't think Lena has what it takes to make company.

When Lena's excluded from class assignment, she's set on proving she deserves her spot. Lena's delighted to discover that she and Henri can pass notes through the brick in real time, and he inspires an idea for the assignment which she rallies the crew to perform.

Lena and Henri get in a heated discussion about her future which ends in a breakup. Meanwhile, Max approaches Lena with the idea of a Baroque flash mob for the BLOK. Just as everything falls into place, Lena's BLOK mask disappears, and Thea takes over her lead role.

Fresh off her break up with Henri and furious with Thea for stealing her BLOK mask, Lena pulls a social media prank on Thea that quickly spins out of control. Thea's devastated and Lena vows to make it up to her, using Thea's competitive nature to bring her around.

When the BLOK gets an invitation to participate in an underground dance competition everyone is psyched. Everything falls apart at the challenge when the rival crew steal the BLOK's choreography, leaving the BLOK scrambling and Max hiding a very big secret.

The students are abuzz as auditions for the end of season performance near. Max's secret is blown when it's discovered the guest choreographer is his father. In 1905, Henri meets Teen Travel Bureau employee, Francie, when she comes to confiscate his powerful timepiece.

When her attempt to help Max make peace with his father fails, Lena does the next best thing by exposing him to real street kids that result in a reunion with the BLOK crew. After being freed from the time-loop by Henri and Francie, Benoit admits he needs Henri's help.

Word is out Lena and Max kissed. Lena expects the worst from Thea but is pleasantly surprised when she gets the exact opposite. When Lena finds out Thea stole another letter from Henri, all bets are off and Lena vows to Thea that she will be a force to be reckoned with.

On a class trip to the museum, Lena gets the shock of her life when she comes face to face with the Grisky family portrait and realises her mother is wearing a timepiece with the time travel symbol in it. Thea becomes suspicious and vows to get to the bottom of things.

The biggest show of the year, and everyone is stressed and pushed to the limit. Lena's distracted when her suspicions about her mother are proven to be true. She learns her mother left her a timepiece hidden in the future, but someone posing as Lena got to it first.

Lena struggles to reconcile the truth about her mother being a time traveller and throws herself into her dance. When Max gets an invitation to a BLOK challenge that takes place the night before the final showcase, the crew balk. How could they possibly pull off both?

Lena needs to be ready for when the portal opens and it's going to be a whirlwind with the challenge and the showcase to prepare for. When she inadvertently tells Armando about the BLOK, she risks everyone's future, all while the Time Collectors arrive in search of her.

It's performance day. It's portal day. Lena's pulled in a hundred directions. She's worried about the fallout from the BLOK, she's nervous about seeing Henri. When Henri finally arrives, Lena must choose between her old life and her new one.

Resuming after the season one cliffhanger, Lena is stuck in the present with Henri, while her modern day nemesis Thea has been thrown back in time to 1905.

It's the first day of Second Division, and the group are surprised that Armando's back to teach permanently.

As Henri fumbles through 2019, it creates distance between him and Lena, so he plans a romantic picnic on the roof, hoping to rekindle their chemistry.

With the announcement of the European Choreographer's Grand Prix, lines are drawn in the sand when Lena and Ines both vie for the same role.

Lena's on a mission to one-up Thea by starting her own all-girl hip-hop crew and entering them in Thea's claim to fame - the TV series Dance Off.

During auditions for the European Choreographer's Grand Prix, Lena is devastated to learn that not only are Ines and Pinky working together behind her back, but that Henri is missing.

Lena must put her anger and feelings of betrayal aside and team up with Ines and Pinky to save Henri from jail time.

When Lena joins Max in a risky dance routine to dazzle Armando, the routine goes wrong and Max seriously injures his knee.

It's Portal Day and Lex is on a mission to return everyone to their rightful time periods.

When Lena learns the BLOKettes yielded a spot on Dance Off, she and Jeff butt heads over leadership.

Lena and Jeff battle it out at a dance challenge to decide who will be the new leader of the BLOK.

The students travel to Brussels for the European Choreographer's Grand Prix but when Lena leads them to a ballet battle with another school, they all could be expelled.

During the performance for the European Choreographer's Grand Prix, Lex arrives and although Lena tries her best to stop her, Lex is determined to win this round!

With Victor's help, Lena and Thea break out of the Bureau and escape through a portal door and right back into the Garnier.

As the girls search for the missing timepiece, Armando assigns the students a dance project, which quickly turns into a competition against father and son.

When Lena agrees to play the Valentine's Day cupid, she misinterprets her mission, creating confusion and hurt feelings.

Lena and Jeff's dance crews both perform in front of the producers of Dance Off, but Thea plays both sides and claims the crews as her own.

When Lena and Max are partnered for a science fair project, ideas clash and Lena's left wondering if they are even compatible as a couple.

All the students vie to choreograph the year-end Carte Blanche showcase, but Max ultimately wins when Lex arrives and sabotages Lena's choreography.

After Thea drops out of the BLOK, Lena must create online buzz for the crew in order to stay on Dance Off.

During Max's auditions for the Carte Blanche showcase, Lena is distracted with trying to get Ines to forgive her for changing the calculations on her time travel science paper.

After Lena learns that only Thea and Isaac have roles in Max's Carte Blanche, she complains to Gabrielle who splits the performance into two parts between Max and Lena.

When Lena discovers Henri is in present day, she is livid because he didn't reach out, and later learns even worse news about Ines.

With Ines taken by the Bureau, Lena devises a plan to reset all time and decides, with nothing to lose, to take the BLOK onto Dance Off.

After being expelled for going on Dance Off, Lena tells Max everything about her time travel life and the two redesign the Carte Blanche showcase to have one final spectacular performance together.

It's Portal Day and Lena is ready to reset time after one final showcase with her friends.

Resuming after the season two cliffhanger, Lena and the crew are stuck in 1983, with Henri having been deleted by the Time Bureau.

Back in present day with their time travel memories erased, Lena and the crew finish their school exams for the year, unsure of their future or their past.

With Max gone, Lena panics about not having a dance partner but her problem seems solved when she meets Nico.

In the South of France, the crew have an opportunity to audition for the CJ company's production, but dance partner drama gets in the way.

Lena is challenged by a younger dancer named Romy, who is hoping to train with the First Division.

With her time travel memories erased, Lena struggles to complete an assignment about her dance progress.

Armando issues a ballet challenge to the CJ Company and other divisions on behalf of the crew, but tensions between the crew hinder the creative process.

Henri is back in present day and working hard to help Lena regain her memories.

Nico suspects that Lena has regained her memories which forces Claudine and Lena to work together to save the day.

Lena and Claudine hatch a plan to steal Nico's wristband in order to disarm him and give Ines her memories back.

Lena struggles with meeting her biological father and tries to focus on ballet and the upcoming performance.

Lena has the idea to put on a “Night of Tchaikovsky” performance at the school but everything is derailed by a mysterious ball in 1905.

The “Night of Tchaikovsky” performance is about to begin, but Ines, Jeff and Isaac are trapped in 1905.

Lena, Henri, Frank and Nico are being held captive in the white room until they reach an agreement with the Bureau.

With company auditions fast approaching, Armando gives the first division assessments and mock auditions to prepare them.

After everyone is ranked by Armando, they see him with a mysterious woman and believe he is leaving the school.

Armando gives out aptitude tests and the crew are unhappy with their results.

The Heirs put on a Talent Show as a cover for a covert mission.

The pressure is on as the crew learns there are only three spots left in Company.

Lena and Nico must sneak into the Bureau to save Romy.

Lena and Ines feel the pressure with Company auditions fast approaching.

Nico trains Lena, Henri and Frank for their upcoming time fight with the Bureau.

With Company auditions one day away, Armando instructs the crew that they must rest and not rehearse or even think about dance.

Today's the day the crew has been working towards their entire life - The Paris Opera Ballet Company auditions!

It's the Heirs' 18th birthday which means the Chosen One will be revealed and the Bureau is coming to take him or her away.

We fast forward in time to see what the crew is up to 6 months after the fight against the Bureau.