Preview clip for the Supergirl Season 4 premiere "American Alien"
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"
Preview images for the Supergirl season premiere featuring Smallville's Erica Durance
Filming for Supergirl Season 3 takes flight this week in Vancouver.
Overnight ratings report for the Supergirl Season 2 premiere, "The Adventures of Supergirl"
Superman and Supergirl team up in screen captures from a preview clip from the Season 2 premiere.
Screen captures from the newest Supergirl Season 2 trailer featuring Superman
