What was Winn's greatest fear?
On Supergirl Season 5 Episode 12, Supergirl stepped in to help her pal when it became clear he was not himself.
Meanwhile, Alex set out to find evidence against Lex, but it put her in mortal danger.
Elsewhere, Brainy had to choose a side when he realized National City was turning on Lex.
Did he come clean about his betrayal?
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.