Watch the trailer for CBS’ new TV series, Supergirl. The show’s description reads, “It's not a bird. It's not a plane. It's not a man. It's Supergirl. In the new drama from the world of DC Comics, Superman's cousin, Kara Zor-El, embraces her superhuman abilities and becomes the hero she was always meant to be. This Fall on CBS.” Check it out below, and let us know your thoughts.