Emma Tremblay

Kara handles the loss of Mon-El by focusing on being Supergirl and concentrating on a mysterious new threat. Alex reveals a secret to Maggie, a citizen of National City has a connection to Kara, and Lena takes a bold move.

Kara looks into an alien ship that crash lands underwater beneath National City. Hank tries to bond with his father. Samantha seeks answers from her estranged mother.

Supergirl teams up with Saturn Girl, Livewire and Psi to recover a prisoner who has information on how to defeat Reign.

Kara investigates a new group with a mysterious connection to Supergirl, Samantha feels like she's letting Ruby down and J'onn confesses an old secret.

Supergirl's world is turned upside down when she learns a secret about Krypton's demise. Alex is attacked while out with Ruby, and Lena considers the lengths she will go to to keep Reign contained.

Supergirl and Alex work together to keep Ruby safe when she becomes Reign's new target. Supergirl and J'onn seek advice from Sam's mum on how to stop Reign.