Watch Supergirl Online: Season 3 Episode 6

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What were Kara and Alex hiding?

That was the big question on Supergirl Season 3 Episode 6 when they both returned home to Midvale for some rest.

However, Kara recalled a horrifying memory of how her best friend from her childhood years passed away and how that event brought her and Alex closer together. 

Did Kara meet up with some friends from the past to investigate the crime and whether it had a striking link to the present?

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

Get caught up on the latest twists and turns for the characters. 

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

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Supergirl Season 3 Episode 6 Quotes

Eliza: I made coffee in case this turns into a teary all-nighter.
Kara: You don't have to stay up.
Eliza: Well, this is the mom fine print. When your child's in agony, you show up regardless the hour.

Okay, you are edging on mean drunk, and I only signed up for sad drunk.