Supergirl must beat a ruthless new gang who has been armed with dangerous new alien technology. When Cadmus sends a video to the DEO, the team realizes Cadmus is the one ...

When Kara and Alex investigate the murder of an unregistered alien, the trail leads to an alien fight club run by Roulette, the ringmaster who commands aliens to fight in ...

When the President arrives to sign an order giving amnesty to aliens. At the DEO, the man who arrived in the craft, awakens and has powers like Supergirl and leaves. Kara ...

Supergirl is hurt by a kryptonite-powered villain sent by Cadmus to attack National City. Superman blames Hank since the kryptonite was stolen from the DEO. In the meanti ...

When a new threat emerges in National City, Kara/Supergirl teams up with her cousin, Clark Kent/Superman, to stop it. Kara is thrilled to have family in town but it leave ...

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. ...

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 ...

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 ...

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

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

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 ...

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

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

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 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 ...

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 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 ...

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 ...

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

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

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

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 ...

Charlotte and Cooper bring Erica to Seattle Grace to speak with Amelia. ...

As Meredith, Cristina, Derek, Mark, Lexie, and Arizona face the aftermath of their accident, the doctors back at the hospital face the future that seems to be taking them ...

Before the Seattle Grace doctors head to Boise to take part in an operation on conjoined twins, the Attendings pressure the 5th years for final decisions on their posts n ...

Six hours after their oral boards, the fifth years relive their answers and worry about their chances. Back at the hospital, Bailey has to woo potential candidates for th ...

As the fifth-years head off to San Francisco to take the most important exam of their lives there are some surprises along the way; Owen and Teddy continue to fight back ...

While the hospital becomes the center of attention as the victim of a famous kidnapping case is brought to the hospital, the fifth years take their placement interviews. ...

Grey, Bailey, and Webber work on a multi-organ transplant but run into some barriers when Dr. Sloan, the temporary Chief, orders them to cancel the surgery. Meanwhile, Cr ...