Watch Supergirl Online: Season 2 Episode 22

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Did Supergirl manage to end Rhea's reign of terror in National City?

That was her plan on Supergirl Season 2 Episode 22, but she did not bank on Rhea offering up the opportunity of one final battle to the death. 

While Supergirl weighed up her options, Cat Grant offered some wise words of wisdom to the superhero. 

Also, Superman returned to National City, but not everything was as it seemed. 

Use the video above to watch Supergirl online to get caught up with the latest drama for the characters on this CW drama series. 

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