Razz confuses the past and the present and has trouble telling Mara and Adora apart -- but Adora desperately needs her help.

The Princess Alliance becomes split on whether to use the magic at the Heart of Etheria or try to destroy it; Scorpia arrives with a request for help.

Adora, Bow and Swift Wind arrive on Beast Island, where they make a shocking discovery; Glimmer heads to the Crystal Castle to talk to Light Hope.

Glimmer tries to convince Scorpia to reconnect with her runestone; on Beast Island, Entrapta reveals dire details about the Heart of Etheria.

Catra and Hordak fight each other as Glimmer and Scorpia arrive in the Fright Zone; Adora sets off in a last-ditch attempt to stop Light Hope's plan.

Adora, Micah and the princesses search for a way to fight back and to rescue Glimmer; Catra schemes on Horde Prime's flagship.

While Adora rests, Mermista leads the princesses into the Fright Zone so Entrapta can seek Horde Prime's signal.

While Bow, Entrapta and Adora try to keep Mara's ship operational, Horde Prime orders Catra to betray Glimmer under the threat of a memory wipe.

Forced to land on a desolate planet, Adora finds three siblings on the run from Horde Prime.

Adora surrenders to Horde Prime to buy time for Entrapta, Bow and Glimmer to rescue Catra and hack Horde Prime's server.

The team tries to evade Horde Prime's pursuit; Micah tries to relate to Frosta during a mission to Elberon.