The Nationals are back on - but which team is going? A-Troupe or B-Troupe?

A TNS legend suggests a controversial solution to the Nationals dilemma.

Talented and hungry dancers show up for the Challenge, which could shake The Next Step.

Auditions continue, and a new A-troupe will be formed.

Richelle and Shad hold auditions to find a soloist to be the lead in Step Inside.

Kenzie goes through her first challenge as Dance Captain of A-Troupe, and Kingston has trouble picking a duet partner.

Lily struggles to focus on dance while avoiding more pressing issues. Ozzy tries to find Richelle the perfect venue for Step Inside.

Jude, Ethan, and Ebby compete to become the Nationals soloist and Ozzy and Heath's investigation has devastating results.

Amy hopes to fail her prestigious audition and Piper wonders if that’s really a good idea. Meanwhile, Richelle and Shad try to convince Nick to invest in Step Inside.

Shad surprises Richelle and they share a beautiful moment. Heath vows to mend Ozzy and Kingston’s relationship, but his efforts morph into an eventful search for the mole.

When the mole’s identity is revealed, Richelle and the Step Inside cast must start from scratch the day before their big performance!

It’s showtime! With an online audience waiting, plus a few surprise visitors, the pressure is on… but Richelle discovers she may be about to lose everything she’s worked for.

Intermission is over! Piper and Amy bet on themselves in an attempt to impress Drew before Richelle and TNS dance what might be their final number as a team.

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As A-Troupe prepares for internationals, Ultra-Elite finds a new studio to call home. Meanwhile, Jude makes a big decision that might change everything.

Grace wants auditions for A-Troupe, but Kenzie needs convincing. Anthony runs A-Troupe rehearsal, welcoming the wrong person to be a fly on the wall.

The competition is tough in the first round of auditions, and Heath struggles to focus when he is grouped with someone he can’t trust.

As A-Troupe auditions continue with the solo round, the dancers have to get their heads in the game - but not everyone is playing fair.

At the request of Ariana, Jett shows the newcomers around, while Izzy and Ebby help with the team’s first Internationals challenge.

Heath helps Pete confront his feelings as A-Troupe prepares for the internationals livestream challenge.

Ariana faces a difficult decision during the internationals livestream challenge. Meanwhile, Ethan and Ebby both want to go on exchange to France.

Kenzie deals with an important personal decision and its consequences, while Ariana helps Jett with an apology.

In the absence of a dance captain, Nick is in charge. He assigns a trio to Olive. which forces her to confront the drama within her former friend group.

Eldon runs a chaotic group rehearsal, and Izzy learns an important leadership lesson. Meanwhile, Pete and Heath do everything in their power to look like dance captain material.

Ariana comes to a realization as she fights her way through the Dance Captain Battle Royale, and the international twists are far from over.

With internationals fast approaching, the new dance captain faces a huge decision.

Grace tries to decide the alternates on Ariana’s behalf as Pete makes a shock discovery.

Everything is on the line as A-Troupe have to re-qualify for internationals.

Anthony is put in a tough position when Ariana asks to be let back on the team.

Eldon chooses the Internationals duet as Kenzie considers a big opportunity.

Eldon fights Anthony over who should represent TNS in the Home Field Advantage competition, while Ebby deals with a dilemma.

Kenzie and Team France's Camille have plans that might not be best for A-Troupe.

TNS hosts L'Equipe Etoile for a pre-Internationals welcome party - but drama ensues!

As Internationals begin with a surprise performance, Anthony struggles with the small group dance thanks to a classic Internationals twist.

A surprise guest changes everything for Ariana, while Adele and Anthony deal with sabotage before their duet.

In the final round of Internationals, A-Troupe face off against fearsome competitors, sticking together through their biggest challenge yet.