A-Troupe meets its new choreographer and votes for open auditions for the nationals team. A-Troupers, B-Troupers, J-Troupers plus unexpected newcomers all show up for the nationals team auditions.

The first round of auditions for the nationals team takes place. Phoebe, the new head choreographer, challenges the dancers with her choreography for the final round.

Reality-style drama following the lives of a group of dancers at the Next Step Dance Studio. The nationals team is chosen, with devastating results for some A-Troupers. Hunter enlists Emily's help to make Michelle jealous

As the studio grows in popularity, it must make space for new members of J-Troupe. Emily asks Hunter to help her with J-Troupe auditions to make Michelle jealous but enjoys herself with Hunter more than she expected.

Amanda's true colours are exposed but the results are devastating for the Next Step. Emily catches West doing a good deed. Riley enlists James to convince a studio ex-member to come back.

A-Troupe pairs up with B-Troupe to do duets.

With the small group round fast approaching, Michelle, Giselle, Riley, and Cierra are angry to see that Stephanie isn't putting in as much effort as she should be into practising and consider replacing her. Meanwhile, Thalia must compete with four dancers from different countries in the first round of Internationals, and Eldon begins to suspect that her Polish team-mate cares about more than just dance.

Auditions for A-Troupe get underway, and Amanda and Eldon make big decisions. Meanwhile, Skylar and Cierra demonstrate their sisterly devotion to one another when they make a pact.

Guest choreographer, Stephanie, challenges the dancers at the afternoon auditions.