SupergirlWriters
ALEX AND THE DEO TRY TO SAVE SUPERGIRL'S LIFE. When a new threat attacks National City, the president makes a hasty decision that endangers Supergirl. Meanwhile, J'onn (David Harewood) struggles with the decision to tell Alex (Chyler Leigh) the truth about her sister's identity, since she is the best person to help Kara (Melissa Benoist).
Located after episode 11 called "Blood memory"