Watch Supergirl Online: Season 1 Episode 4

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Whoa! That's a surprise! 

Hank has been in the lives of both Kara and Alex for a lot longer than anyone believed.

On Supergirl Season 1 Episode 4, the secret is out. Kara's stepdad even went so far as to volunteer for the DEO to protect Kara. 

Now Alex is on a mission to find out what really happened to her father. Who cannot wait for that answer? 

In other news, James is back with his ex, Lucy, but he's not ready to let things with Kara slide. Does he need more excitement in his life than he's ready to admit? Heck, Kara's Supergirl. Who would be willing to let that go?

Find out what else happened during this hour when you watch Supergirl online. Click below to get started!

Carissa Pavlica is the managing editor and a staff writer for TV Fanatic. She's a member of the Broadcast Television Journalists Association (BTJA), enjoys mentoring writers, wine, and passionately discussing the nuances of television. Follow her on Twitter and email her here at TV Fanatic.

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Supergirl Season 1 Episode 4 Quotes

Chocolate pecan pie is the best dessert in the galaxy, and as someone who's been to twelve different planets, I mean that literally.

Kara

Kara; He was tough.
Hank: She.
Kara: Oh. Respect.