Watch Supergirl Season 3 Episode 21 - Not Kansas

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Supergirl Season 3 Episode 21
Kara makes a major life decision. Meanwhile, J'onn finds out that special DEO-caliber guns have hit the streets of.
First Aired: June 4, 2018 - 42 Minutes Runtime
Anjali Jay, Mark Dozlaw, Timothy Wallace, Andrea Brooks, Ivan Wanis-Ruiz
6.4/10
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Season 3 Episode 21 - Video Clips & Extras