

S04E22
The Quest for Peace
Aired May 19, 2019
Free, with no ads. Tick off what you watch and see what airs next.
Summary
Lex Luthor descends upon Washington, D.C. 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.
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