Watch Supergirl Online: Season 1 Episode 15

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Kara Danvers really has her work cut out for her.

On Supergirl Season 1 Episode 15, the superhero went up against a supercomputer named Indigo who had a crazy connection to Kara's past. It will take you by major surprise when you learn what it is.

Kara realized that in order to defeat the computer, she had to take a trip to Superman's Fortress of Solitude.

Also, James and Lucy reached a crossroads in their relationship. 

Is there any hope for them.. or is it game over?

Use the video above to watch Supergirl online to see how all the drama plays out!

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

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Supergirl Season 1 Episode 15 Quotes

You, brown hair, put it in the microwave, set it to popcorn. Well, actually put it on baked potato. Uh, whichever, just melt it.

Cat

I could throw her into space. I dream about doing that.

Kara