Sneak Peek new images from the "Supergirl" episode "For Good", written by Robert Rovner, Cindy Lichtman, Alix Sternberg and directed by Tawnia McKiernan, airing January 29, 2018 on The CW:
"...someone tries to kill 'Morgan Edge' (Adrian Pasdar) and he barely survives. He accuses 'Lena' (Katie McGrath) of being behind the attempt and vows to destroy her. When Lena fears her hatred for Morgan will take her to the 'Luthor dark side', 'Kara' (Melissa Benoist) steps in to help her friend.
"Meanwhile, after 'Sam' (Odette Annable) realizes she's losing time, she confides in 'Alex' (Chyler Leigh) who decides to run some medical tests to see if she can find out what's going on with her new friend..."
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