Alex & Kara Are At Odds On How To Deal With A New World Killer In New Supergirl Sneak Peek

A brand new sneak peek from the new episode of Supergirl has been released. This new episode is titled, “Both Sides Now” and it will air tonight, February 5.

In this new clip, the DEO have captured another world killer who may know how to defeat Reign. Alex and Kara go back and forth on whether or not to even take a chance with interrogating her for information.