Without the help of their teachers, the students must work together to take on the evil Ravenzella all by themselves. Unicorn Academy depends on it!

The Sapphires try everything to get Sophia and Ava to stop fighting, but they've got bigger problems: Two dastardly henchmen are after the grimstone.

Sophia races to Starglow Lake to battle the Star Snatcher for the last crown star. Back at the dorms, Rory tries out for a secret society of pranksters.

As the academy teachers gear up to battle a powerful foe, they forbid their students from leaving the dorms. But one rider doesn't follow the rules.

While gathering starburst flowers for the Fairy Moon ball, an accident breaks Isabel's trust in River, allowing a mysterious stranger to step in.

When grim magic contaminates the academy's water supply, the unicorns risk losing their power unless Sophia can save Starglow Lake with an unlikely ally.

Working together unlocks a new bond for the Sapphire riders — and with it, new abilities. Then, Valentina comes clean to Sophia about the crown stars.

On a Sapphire camping trip, a constellation that only appears every five years sends a special surprise down to Earth. But something troubles Wildstar...

For their final test, the students must infiltrate ogre-guarded ruins and rescue a hostage before the last bell rings... or risk immediate expulsion.

Sophia's good intentions lead to catastrophic events. Now the fate of Unicorn Island depends on the Sapphires — and the one test they dare not fail.

A legendary unicorn rider visits campus, stirring tensions between Sophia and Valentina. Layla gets jealous when Glacier reunites with an old friend.

Ms. Wildwood tasks the Sapphires with keeping wild unicorns safe from a volcano, which Sophia uses as an opportunity to search for another crown star.