Watch Supergirl Online: Season 4 Episode 2

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Did Supergirl manage to capture Mercy Graves?

That was her plan on Supergirl Season 4 Episode 2 when the hero set out to take down the villain before havoc was reached in National City. 

Meanwhile, Alex took control at the DEO and kicked off her new position with a bang, but who tried to overrule her authority?

Also, Brainy and Nia met for the first time and found themselves in a horrifying situation. 

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

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

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Supergirl Season 4 Episode 2 Quotes

But I don't disagree with her main point. Why can't humans be as powerful as aliens?

Lena

Fear can create monsters where none existed before.

President Marsdin