In the image above, you can see Supergirl (Melissa Benoist) and the Master Jailer (Jeff Branson) battling it in out in a scene from "Truth, Justice, and the American Way." The episode is directed by Lexi Alexander (Punisher: War Zone).
In "Truth, Justice and the American Way," Supergirl does battle with the deadly Master Jailer, who is hunting and executing escaped Fort Rozz prisoners. Also, Cat hires a second assistant, Siobhan Smythe (Italia Ricci), who immediately tries to one-up Kara, and Kara and James disagree over the DEO's methods.
Supergirl airs Mondays at 8 p.m. ET on CBS.