The girls begin working with a new coach who takes a relaxed approach to coaching. Payson and Lauren then learn they must compete to be team captain. Elsewhere, Kaylie's return to the gym is delayed because she has to focus on her health.

The girls lean on each other as they align against an adversary in the wake of world tryouts.

World Team tryouts have finally arrived, and The Rock girls have to fight for spots on the team.

An entrepreneur hawks a secret formula; a stay-at-home mom builds furniture; and a personal trainer pitches a fitness device. Also: children share an idea with the sharks that they came up with while on a family road trip.

Billionaire Mark Cuban joins the sharks as the second season opens with a woman who rents toys, an extreme sports enthusiast and a man hawking a breakfast innovation. There's also an update on Season 1's granola gourmet, Jeff Cohen

In the second-season opener, the girls question Sasha's approach with the National Committee after selections are made for a meet in France.