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Season 3 Episode 13

Both Sides Now

Air Date: 02/05/2018

The DEO captures a second Worldkiller, Purity...

Season 3 Episode 12

For Good

Air Date: 01/29/2018

Someone tries to kill Morgan Edge and he barely survives....

Season 3 Episode 11

Fort Rozz

Air Date: 01/22/2018

As Reign continues to terrorize the city, Supergirl teams up with Saturn Girl, and the two recruit Supergirl's former enemies, Livewire and Psi, to form a team for a mission to Fort Rozz to recover a prisoner who has information on how to defeat Reign once and for all....

Season 3 Episode 10

Legion of Superheroes

Air Date: 01/15/2018

Struggling to heal from her injuries inflicted by Reign, Supergirl remains in a dreamlike state, unable to be reached....

Season 3 Episode 9


Air Date: 12/04/2017

Supergirl investigates a mysterious symbol popping up all over National City, tracing its origins back to an ancient prophecy and the mark of the World Killer, Reign...

Season 3 Episode 8

Crisis on Earth-X, Part 1

Air Date: 11/27/2017

Barry and Iris’s wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony....

Season 3 Episode 7

Wake Up

Air Date: 11/20/2017

When Winn and the team discover an alien ship has crash landed deep underwater beneath National City, Kara/Supergirl is called in to investigate....

Season 3 Episode 6


Air Date: 11/13/2017

Kara and Alex head home to Midvale for a little R&R. While there, Kara recalls a painful memory of a childhood friend's death and how that traumatic experience brought the Danver sisters closer together....

Season 3 Episode 5


Air Date: 11/06/2017

When multiple children get sick from lead poisoning, Morgan Edge points the finger at Lena and blames her creation of the lead bomb she made to save National City from the Daxamites....

Season 3 Episode 4

The Faithful

Air Date: 10/30/2017

Kara investigates a secretive new group whose leader, Thomas Coville, has a mysterious connection to Supergirl....

Season 3 Episode 3

Far From The Tree

Air Date: 10/23/2017

Eliza throws Alex and Maggie a wedding shower, which causes Maggie to reach out to her estranged father...

Season 3 Episode 2


Air Date: 10/16/2017

Psi, a thief with psychic powers, attacks National City....

Season 3 Episode 1

Girl of Steel

Air Date: 10/09/2017

Kara deals with the loss of Mon-El by focusing all her energy on being Supergirl and the mysterious new threat against National City....

Season 2 Episode 21


Air Date: 05/15/2017

Supergirl grapples with whether or not to obey the President’s orders regarding Rhea’s latest actions....

Season 2 Episode 20

City of Lost Children

Air Date: 05/08/2017

When an alien attacks National City, Supergirl and the DEO learn the alien is a Phorian, an otherwise peaceful race with telekinetic powers...

Season 2 Episode 19


Air Date: 05/01/2017

Alex is kidnapped and the kidnapper threatens to kill her unless Supergirl releases a notorious criminal from prison....

Season 2 Episode 18

Ace Reporter

Air Date: 04/24/2017

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....

Season 2 Episode 17

Distant Sun

Air Date: 03/27/2017

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....

Season 2 Episode 16


Air Date: 03/20/2017

A new villain comes to National City, putting Supergirl on high alert....

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