Official CW description with spoilers for the Agent Liberty origin episode "Man of Steel"
Official CW description with spoilers for the Supergirl episode "Fallout"
Official preview images and spoiler description promoting the Supergirl season premiere "American Alien"
Xander Berkeley will be playing the father of Agent Liberty in Supergirl Season 4.
Trailer for the Supergirl Season 4 premiere "American Alien"
New promotional still promoting the Supergirl Season 4 premiere "Fallout"
Winn Schott could be back on Supergirl in early 2019.
More Supergirl episode titles for Season 4 have been revealed, including one called "Parallax."
Episode titles for Supergirl Season 4 have surfaced online.
Anthony Konechny will be playing a DEO agent in Supergirl Season 4.