Watch Supergirl Online: Season 4 Episode 20

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Did Kara and Lena manage to take Tess down?

On Supergirl Season 4 Episode 20, the friends mae their way to Kaznia to hunt down Lex. 

However, Tess set a trap for the duo, and it seemed like Kara's secret was about make it to the news. 

Meanwhile, Alex got a long-awaited phone call, and it changed her outlook on the way her life was going. 

Drastic Measures - Supergirl

Elsewhere, James practiced using his powers, and it paved the way for disaster when Ben Lockwood wanted information about the DEO. 

How did it all play out?

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 20 Quotes

Must be strange to have a sibling with superpowers, huh?


Start with James Olsen because I would like to know how the hell he got superpowers.

Ben Lockwood