Watch Supergirl Online: Season 3 Episode 10

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Did the Legion of Superheroes give Reign a run for her money?

That was the big question on Supergirl Season 3 Episode 10 when Mon-El reached out with the aim of helping Kara awaken from her slumber. 

However, the arrival of Brainiac-5 brought a whole new level of drama for the characters as he wanted to save Kara at a price. 

Meanwhile, James and Lena were forced to take on Reign as the elusive villain showed up at CatCo with a score to settle. 

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

Get caught up on all the action now. 

Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.

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Supergirl Season 3 Episode 10 Quotes

Kara: This is torture.
Braniac-5: Of all the 4,237,642 versions of our first meeting that I envisioned, you calling it "torture" wasn't one of them.

Braniac-5: Well the good news is, her mind is active and alert.
Alex: Oh, thank God.
Braniac-5: The bad news is, she is very angry.
Winn: Well, I'm sure she loves being trapped inside a mind prison.