Supergirl Season 4 Episode 2
Fallout
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
Mercy Graves
Lynda Carter
President Olivia Marsdin
Bruce Boxleitner
President Baker
Mathew Yanagiya
Nerdy Computer Programmer
James Kot
DEO Agent Two