Supergirl (2015)

Episode Overview

Title: Fallout Plot: A startling discovery throws National City into turmoil. Supergirl embarks on a mission to apprehend Mercy Graves, while Alex steps up to lead the DEO. At CatCo, Kara opts to dig deeper into Mercy’s background, seeking Lena’s assistance for an interview due to her connections with the Luthors. Simultaneously, Brainy encounters Nia, leading them both into a tense and uncertain predicament.