The Quest for Peace Supergirl : Season 4 Episode 22
TV-PG The CW 43m
Aired: May 19th, 2019 @ 9:00 PM EST on The CW
Lex Luthor descends upon Washington, DC and summons Lena and Lillian Luthor to the White House. Supergirl realizes she has one last chance to stop Lex and turns to the power of the press to help her.
