Season 4 • Episode 2
Fallout
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2018-10-21
★ 7.1
42 min
A shocking revelation causes chaos in National City. Supergirl sets out to capture Mercy Graves, while Alex takes control at the DEO. Back at CatCo, Kara decides to write an investigative story on Mercy and asks Lena if she can interview her as Mercy has ties to the Luthors. Meanwhile, Brainy meets Nia and the two end up in a precarious situation.
Guest Stars
Rhona Mitra
Lynda Carter
Bruce Boxleitner
Mathew Yanagiya
James Kot
Fulvio Cecere
Ese Atawo
David Patrick Green
Sean Kuling
Shaquan Lewis