Kara must find a way to free her friends when Non and Indigo use mind control to turn National City’s citizens into their own army.

Supergirl is forced to do battle with an unexpected foe and must risk everything – including her life – to prevent Non and Indigo from destroying every person on the…

Kara travels to Superman’s Fortress of Solitude in hopes of learning how to defeat Indigo, a dangerous being who can transport via the Internet and who has a connection to…

Kara turns on her friends and the citizens of National City after being exposed to Red Kryptonite makes her malicious and dangerous. Also, Cat appears on THE TALK to discuss…

J’onn J’onzz reveals the details of meeting Kara and Alex’s father, Dr. Jeremiah Danvers, and assuming Hank Henshaw’s identity. Also, Kara debates trusting someone new with her secret identity and…

Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for…

Kara must help Hank face his painful past when a White Martian, a member of the alien race that wiped out his people, kidnaps Senator Miranda Crane, an anti-alien politician….

Kara faces off against her mirror image when Bizarro, a twisted version of Supergirl, sets out to destroy her. Also, Kara grows closer with Cat’s son, Adam.

Kara’s friends must find a way to save her life when a parasitic alien attaches itself to her and traps her in a dream world where her family is alive…

Supergirl does battle with the deadly Master Jailer, who is hunting and executing escaped Fort Rozz prisoners. Also, Cat hires a second assistant, Siobhan Smythe, who immediately tries to one-up…

Kara goes toe-to-toe with Astra when her aunt challenges Kara’s beliefs about her mother. Also, Cat is threatened with being removed as the CEO of CatCo after a hacker exposes…

With Astra in captivity at the DEO, her husband, Non, captures Hank, leading to a tense standoff between the two sides. Also, Kara continues to refute Cat’s allegations that she…

Kara does her best to support Winn when his father, the supervillain Toyman, breaks out of prison and seeks out his son for unknown reasons. Also, Cat offers Lucy a…

Kara’s Thanksgiving may be ruined when she suspects her foster mother, Dr. Danvers, who is coming to town, disapproves of her new role as a superhero. Also, when an accident…

Kara’s two identities are stretched thin when Supergirl must protect National City from a series of bombings and Kara is tasked with babysitting Cat’s son, Carter. Also, James is conflicted…

Personal and professional stress get the better of Kara when she goes too far during a training exercise against Red Tornado, a military cyborg commissioned by Lucy Lane’s father, General…

Kara and her friends must rely on their inner strength and courage when an earthquake strikes National City. Also, Alex’s mistrust of Hank reaches a breaking point when the earthquake…

After 12 years of keeping her powers a secret on Earth, Kara Zor-El, Superman’s cousin, decides to finally embrace her superhuman abilities and be the hero she was always meant…

When Kara’s attempts to help National City don’t go according to plan, she must put aside the doubts that she — and the city’s media — has about her abilities…

Supergirl’s powers are tested when Reactron, one of Superman’s formidable enemies, arrives in National City and targets the young hero. Also, Cat plans to run an exposé on Supergirl.

Supergirl challenges Rhea to battle to save National City. Meanwhile, Superman returns and Cat Grant offers Supergirl some sage advice.

As Alex searches for Jeremiah and Kara investigates a series of alien kidnappings, the sisters realize they must break the rules to foil a new Cadmus plot. In an effort…

A new villain comes to National City, putting Supergirl on high alert. Meanwhile, Winn’s girlfriend, Lyra, gets Winn in trouble with the law. Maggie attempts to help Winn but old…

A large bounty is put out on Supergirl and aliens from far and near attack National City intent on taking out the woman of steel. Alex and Maggie run into…

Lena’s ex-boyfriend, Jack Spheer, comes to National City to unveil his big breakthrough in nano-technology, which has the potential to eradicate all diseases. Lena asks Kara to attend Jack’s conference…

Alex is kidnapped and the kidnapper threatens to kill her unless Supergirl releases a notorious criminal from prison. Supergirl and Maggie have always had different approaches to apprehending criminals but…

When an alien attacks National City, Supergirl and the DEO learn the alien is a Phorian, an otherwise peaceful race with telekinetic powers. Guardian gets a lead on the Phorian’s…

Supergirl grapples with whether or not to obey the President’s orders regarding Rhea’s latest actions. Meanwhile, Cat Grant returns to National City.

Kara is moved by the story of a missing woman named Izzy and decides to investigate despite Snapper Carr’s order to leave it alone. Kara takes Mon-El with her to…

After Livewire seemingly breaks out of prison, Supergirl is intent on recapturing her. After training Mon-El, Supergirl takes him with her when she sees Livewire attack the NCPD but things…

Armek, a White Martian, descends on National City intent on taking M’gann back to Mars to face her punishment as a traitor. Hank and Supergirl determine the best way to…

After Metallo breaks out of prison and frees Lillian Luthor, the police blame Lena for his escape and arrest her. Despite overwhelming evidence, Kara refuses to believe her friend is…

When Mr. Mxyzptlk, a magical imp, shows up on Earth and declares his love for Kara, she tries to let him down easy, thinking him harmless. However, he decides it’s…