Twenty-four-year-old Kara Zor-El, cousin of Superman, who was taken in by the Danvers family when she was 13 after being sent away from Krypton, must learn to embrace her ...

Kara must put doubts aside as she tries to apprehend an escapee from the Kryptonian prison; Cat pressures James for an interview with Supergirl. ...

Supergirl's powers are put to the test when one of Superman's most formidable enemies, Reactron, shows up in National City to take her down. In the meantime, Cat makes pl ...

Kara's foster mother visits for Thanksgiving, while an accident transforms a volatile CatCo employee into Livewire. ...

Kara must protect National City from a series of bombings and babysit Cat's son, while James is visited by Lucy Lane. ...

Stress makes Kara go too far during a training exercise against a military cyborg commissioned by General Sam Lane, while Cat's mother comes to visit and Winn helps Alex ...

Kara and her friends are forced to rely on their inner strength and courage when an earthquake strikes National City, while Alex's mistrust of Hank reaches its breaking p ...

Kara must face her evil aunt Astra when she threatens the safety of National City and challenges Kara's beliefs about her mother while Cat must also face her own problems ...

The confrontation between the DEO and Astra's forces at Lord Enterprises ends with Hank being taken. General Lane shows to take control of the DEO in Hank's absence. Kara ...

Kara does her best to support Winn when he hears that his father Winslow Schott Sr. breaks out of prison. His father looks for Winn for a reason to become like him. Cat o ...

A Senator who opposes alien presence on Earth comes to National City to speak. And it's while she's speaking that an alien appears and grabs her. That's when the DEO show ...

Kara must deal with a twisted version of Supergirl, while venturing into a possible romance. ...

A parasitic alien attaches itself to Kara and traps her in a world where Krypton was never destroyed, leaving Alex, Hank and the DEO to fend off a Kryptonian attack witho ...

Kara battles the Master Jailer while dealing with a second assistant at CatCo and disagreeing with James over the DEO's methods. ...

Kara travels to the Fortress of Solitude hoping to find information on how to defeat Indigo, a being from her past who can travel through the Internet. In the meantime, J ...

Red Kryptonite makes Kara malicious and dangerous while Cat appears on The Talk (2010) to discuss Supergirl. ...

J'onn J'onzz reveals how he met Jeremiah Danvers and assumed the identity of Hank Henshaw. ...

When former CatCo employee, Siobahn Smythe upset at how her life is going discovers something odd about herself. She then goes to a relative who tells her of their family ...

Non activates Myriad which turns all humans in National City to mindless zombies under his control. Supergirl is all alone and discover two people who are not affected. S ...

Supergirl is forced to do battle with an unexpected enemy as she risks everything - including her life - to stop Non and Indigo from destroying everyone on Earth. ...