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 mortal combat for the ...
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 mortal combat for the ...
While Guardian tries to clear his name after being accused of a murder committed by another vigilante, Supergirl heads out on a solo mission to rescue Mon-El who has been captured by Cadmus. ...
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 ...
In season four, Supergirl is facing a bigger threat than she’s ever faced before – a new wave of anti-alien sentiment, spreading across National City that’s fomented by Agent Liberty. As Kara ...
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 in order to capture an ...
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 transforms a ...
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 is Supergirl.
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 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 Supergirl.
CADMUS attacks National City with a Kryptonite-powered villain who ends up seriously hurting Supergirl. Superman blames Hank because the Kryptonite was stolen from the DEO. Meanwhile, Kara’s ...
An attack is made on the President as hot-button, alien vs. human rights issues heat up in National City. Supergirl and the DEO are assigned to protect the President and bring in the responsible ...
The Guardian debuts to lend a hand after a parasite alien drains Supergirl of her power. Mon-El considers a less than desirable new career which then leads him to contemplate his motives. Alex ...
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 keep M’gann safe is to ...
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 to get Snapper Carr to run ...
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 address but ...
Kara deals with the loss of Mon-El by focusing all her energy on being Supergirl and the mysterious new threat against National City. Alex confesses a secret to Maggie about their impending ...
Psi, a thief with psychic powers, attacks National City. Able to immobilize people by tapping into their worst fears, Psi proves a formidable opponent for Supergirl. Meanwhile, James and Lena are ...
Eliza throws Alex and Maggie a wedding shower, which causes Maggie to reach out to her estranged father. Supergirl joins J’onn on a personal mission.
Kara investigates a secretive new group whose leader, Thomas Coville, has a mysterious connection to Supergirl. Meanwhile, Samantha feels like she's letting Ruby down, and J'onn ...
When Supergirl needs help, Alex asks Lena and Brainiac to team up. Meanwhile, J’onn questions his decision to quit the DEO. However, after running into Manchester Black, he realizes there are a ...
Colonel Haley makes a surprising decision regarding Supergirl. Kara writes a series of articles highlighting aliens in National City in the hopes that humans will stop being so fearful of them. ...
While a new villain is under arrest at the DEO, Supergirl uses him to try and understand who is responsible for the recent attacks. Meanwhile, Andrea and Lena think back on their tumultuous past.
The Monitor sends Harbinger to gather the worlds’ greatest heroes - Supergirl, The Flash, Green Arrow, Batwoman, White Canary, The Atom and Superman - in preparation for the impending Crisis. ...
The subsequent complications from the Crisis leave Supergirl to face a chaotic threat.
As Supergirl tries to thwart a Toyman copycat, Winn Schott returns from the future.
Lex tasks Supergirl with protecting Andrea from an anti-tech extremist, but his nefarious purpose goes beyond merely keeping Andrea alive. Meanwhile, Lena moves forward with Non Nocere, with ...
Nia’s roommate, Yvette, is attacked by a man targeting Dreamer because he doesn’t like that Dreamer is transgender and wants her to quit being a superhero. Determined to protect her community ...
Lex proceeds to lay an intricate plan to bring Lena closer to him, defeat Leviathan’s latest attack, and pit Supergirl and team against Leviathan. It is also revealed how Lex came into power ...
In a city where greeting card writers are celebrated like movie stars, Romance writer Ray used to be the king. In trying to recapture the feelings that once made him the greatest, he gets ...
A business woman who creates the perfect marriage proposals for wealthy men, becomes the target of a crazy client's obsession when she shows him compassion after his girlfriend publicly ...