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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, James and Lucy reach a crossroads in their relationship.
All Episodes - S01
EPS01
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 powers after previously hiding them. The Danvers teach her to be careful with her powers, until she has to reveal them during an unexpected disaster, setting her on her journey of heroism. Written by Soumik Ghosh
EPS03
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 plans to run an expose on Supergirl.
EPS06
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 investigate her father's death.
EPS07
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 point when the earthquake traps them in the DEO with an alien escapee called Jemm. Written by Anonymous
EPS08
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 when she is threatened to be removed from her job as CEO of CatCo when a few personal e-mails are exposed by a hacker that could damage her career. Written by Amelia
EPS09
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 tries to talk to Astra but she's unwilling to open up. Cat suspects Kara is Supergirl. Jimmy decides to investigate Lord and asks Winn to help. And when it doesn't turn out well, and when Kara learns of this she wants to go after Lord but Jimmy and Winn tell her to cool off. She then goes to Astra and hears her side of what happened between her and her mother. Kara then makes a decision. Written by rcs0411@yahoo.com
EPS10
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 offers Lucy a job working at CatCo and Alex asks Hank to use his powers to find out and uncover Maxwell Lord's plans. Written by TheArrowMan
EPS11
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 shows up and Hank is frozen when he sees the alien. He reveals the alien is the one that wiped out his people. They later find the alien's lair and rescue the Senator. They bring her to the DEO and she asks Hank about rumors of an alien at the DEO. Hank evades answering her. Later Kara learns the Senator is the alien. They try to get it but it gets away. Hank says it came to get him. Cat's son comes to see her because Kara sent the letter she wrote but decided not to send it. Written by rcs0411@yahoo.com
EPS13
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 without her.
EPS15
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, James and Lucy reach a crossroads in their relationship.
EPS18
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's secret--that they were cursed by a banshee. Which comes out when one of them is angered. And she needs to destroy the object of their anger, in this case Cat, Kara and Supergirl. She tries to kill Kara but she is saved by a visitor from another universe, The Flash who was attempting to cross into another universe and ended up in hers. She reveals herself as Supergirl. they try to figure out how to get him back to his universe. Siobahn who now calls herself Silver Banshee makes another attempt but is captured by Supergirl. And she's taken to the DEO. and while there she meets Live wire. And later she escapes and frees Livewire and together they team up to go after Supergirl. Written by rcs0411@yahoo.com
EPS19
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. She awaits her cousin to come help but even he is affected. So she needs to decide whether or not to do something drastic. Written by rcs0411@yahoo.com