In three new clips from "Human for a Day," the latest episode of "Supergirl," Hank Henshaw begins to show is true colors as Jem arrives in National City. Meanwhile, Kara deals with the consequences of her solar flare powers -- namely, becoming human, at least temporarily.

"Supergirl" airs Mondays at 8 pm EST on CBS. Developed by producers Greg Berlanti, Ali Adler and Andrew Kreisberg, the series stars Melissa Benoist, Calista Flockhart, David Harewood and Chyler Leigh.