Supergirl 3×01 Sneak Peek #3 “Girl of Steel” Season 3 Episode 1 Sneak Peek #3

Supergirl 3×01 “Girl of Steel” Season 3 Episode 1 Sneak Peek #3 – Alex and Maggie chase after villain Robert DuBois aka “Bloodsport.” Just when things are starting to look dire, Supergirl comes to their rescue. Supergirl’s third season premieres TONIGHT on The CW!