Watch Supergirl Online: Season 3 Episode 23

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Who did not make it out of the final battle against the Dark Kryptonians alive?

That was the big question on Supergirl Season 3 Episode 23 as Serena waged war on National City, putting everyone at risk. 

Meanwhile, Alura had a shocking revelation for her daughter, and it threatened to change the shape of their relationship forever. 

Also, Winn received startling news that made him question his place on the team. 

Did he leave?

Use the video above to watch Supergirl online right here via TV Fanatic. 

Get caught up with all the latest super drama right now. 

Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.

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Supergirl Season 3 Episode 23 Quotes

Kara: You're all clear kid. Now let's blow this thing and go home.
Brainy: I assume that's some sort of film reference.
Kara: We never showed you Star Wars? Not a single Star War?

J'onn: I'm not ready.
M'yrnn: You are. You looked into the flames and you had no fear.
J'onn: That's because you were with me.
M'yrnn: That will never change, J'onn. Never.