How did Kara feel about kryptonite?
On Supergirl Season 6 Episode 6, the second flashback episode took us back to the first time the superhero was in the presence of the compound.
Meanwhile, Nia and Brainy were trapped by invading aliens as they tried to get Kara out of the Phantom Zone.
Elsewhere, a young Cat Grant had a score to settle with adult-Kara.
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