On a Mission - Supergirl
Watch Supergirl Season 4 Episode 2
"Fallout"
Original Air Date:

On Supergirl Season 4 Episode 2, a shocking revelation causes chaos in National City and Supergirl heads off in an attempt to capture Mercy Graves.

Called Into Action - Supergirl
Watch Supergirl Season 4 Episode 1
"American Alien"
Original Air Date:

On Supergirl Season 4 Episode 1 Alex and Brainy try to get in sync, James faces an indictment for the vigilante Guardian, and Supergirl is called into action.

Kara's Struggle - Supergirl
Watch Supergirl Season 3 Episode 23
"Battles Lost and Won"
Original Air Date:

On Supergirl Season 3 Episode 23, Supergirl and the team take on Serena in a battle to keep Earth away from the villains, but does everyone make it out alive?

Supergirl's Big Fight
Watch Supergirl Season 3 Episode 22
"Make It Reign"
Original Air Date:

On Supergirl Season 3 Episode 22, the truth about Serena's plan for Earth is revealed as Reign makes her grand return. Is it too late for one of them?

Kara Makes a Choice - Supergirl Season 3 Episode 21
Watch Supergirl Season 3 Episode 21
"Not Kansas"
Original Air Date:

On Supergirl Season 3 Episode 21, Kara considers a major life deicsion while J"onn discovers DEO guns have hit the streets of National City.

A Part of Krypton - Supergirl
Watch Supergirl Season 3 Episode 20
"Dark Side of the Moon"
Original Air Date:

On Supergirl Season 3 Episode 20, Lena decides how far she'll go to control Reign, Alex and Ruby are attacked, and Kara learns a part of Krypton survived.

Without the Mask - Supergirl
Watch Supergirl Season 3 Episode 19
"The Fanatical"
Original Air Date:

On Supergirl Season 3 Episode 19, a former disciple of Coville’s gives Kara and James a journal that could hold the key to figuring out how to save Sam.

Saving Ruby - Supergirl
Watch Supergirl Season 3 Episode 18
"Shelter From the Storm"
Original Air Date:

On Supergirl Season 3 Episode 18, Supergirl and Alex work together in order to keep Ruby safe when Reign begins her hunt to find and kill the girl.

A Difficult Decision - Supergirl
Watch Supergirl Season 3 Episode 17
"Trinity"
Original Air Date:

On Supergirl Season 3 Episode 17, with the Worldkillers united, Supergirl and team brace for an epic battle, and James must make a decision about he and Lena.

Lena and Sam - Supergirl
Watch Supergirl Season 3 Episode 16
"Of Two Minds"
Original Air Date:

On Supergirl Season 3 Episode 16, Supergirl and Imra must work together to stop the thrid Worldkiller, but which one of them had the best plan?

Supergirl Quotes

A leader who caves to fear is no leader at all.

President Marsdin

The thing that makes women strong, is that we have the guts to be vulnerable. We have the ability to feel the depths of our emotion, and we know that we will walk through it to the other side.

Cat