"Blood Bonds" is the ninth episode in the first season of the CBS television series Supergirl, which aired on January 4, 2016. It was written by Ted Sullivan and Derek Simon, and directed by Steve Shill. The episode centers on Kara's attempt to rescue Hank from Non after she captures Aunt Astra that leads to a tradeoff and a question of who they can trust, while Cat Grant attempts to refute Kara's claim that she is not Supergirl.