The CW Television Network has released the official synopsis for the upcoming “Fallout” episode of Supergirl which is the second episode of the show’s fourth season and you can check it out below.
“Fallout” — (8:00-9:00 p.m. ET) (TV-PG, V) (HDTV)
CHAOS IN NATIONAL CITY — A shocking revelation causes chaos in National City. Supergirl (Melissa Benoist) sets out to capture Mercy Graves (guest star Rhona Mitra), while Alex (Chyler Leigh) takes control at the DEO. Back at CatCo, Kara decides to write an investigative story on Mercy and asks Lena (Katie McGrath) if she can interview her as Mercy has ties to the Luthors. Meanwhile, Brainy (Jesse Rath) meets Nia (Nicole Maines) and the two end up in a precarious situation. Harry Jierjian directed the episode with story by Dana Horgan and teleplay by Maria Maggenti & Daniel Beaty (#402).
Original airdate 10/21/2018
Supergirl will return for its fourth season on October 14, on The CW.