Witney Carson joins to push dancers to face their toughest challenge yet, teaching ballroom novices. Paired with "Dancing with the Stars" superfans, they have just two days to prepare a performance as they compete for a spot in the semifinals.

The dancers must create unforgettable "wow" moments by incorporating one of Daniella Karagach's signature moves into a viral-worthy routine. Then, they visit the Australia Zoo for inspiration from the power and agility of animals in nature.

Champion Jenna Johnson challenges the eight couples to create a passionate routine that builds trust and chemistry while tackling the Rumba and Argentine Tango. For the first time, they choose partners, but the lowest-scoring pair will be eliminated.

The remaining dancers face one of the toughest "Dancing with the Stars" challenges: a group performance. Mentored by Britt Stewart, they must master a high-intensity routine in just hours, putting teamwork, timing and resilience to the test. 

The remaining 10 dancers must bring a personal story to life through dance. Mentored by Brandon Armstrong, they pair up to showcase connection, vulnerability and partnership. As pressure mounts, those who fail to connect risk elimination.

Host Robert Irwin challenges 12 exceptional dancers to the ultimate audition for a pro spot on "Dancing with the Stars." Judges Shirley Ballas, Mark Ballas and Derek Hough test jive and samba techniques, with the weakest pair eliminated.