What did Lex do next?
On Supergirl Season 4 Episode 17, Kara realized that she had to get rid of her clone if she was going to have any success at taking down Lex Luthor.
However, Lex put another nefarious plan in motion, and it put Kara against one of her own.
Meanwhile, things took a turn for James when it emerged that his condition was far worse than he first anticipated.
How did his sister avenge the shooting?
Also, Alex got closer to someone in the DEO.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.