Greatest American Hero William Katt appears in the Supergirl chapter of the DC TV "Crisis on Earth-X" crossover.
Preview clip for the Supergirl episode "Wake Up"
Actor David Harewood has shared a peek inside the Legion ship on Supergirl.
30-second preview trailer for the DC TV crossover "Crisis on Earth-X"
Preview images for the Supergirl chapter of the DC TV crossover "Crisis on Earth-X, Part 1"
Official CW description for the Supergirl episode "Reign"
Preview images and trailer for the Supergirl episode "Wake Up" featuring the return of Mon-El
Melissa Benoist teases the return of Mon-El and the coming of the Legion of Super-Heroes to the Supergirl TV series.
Supergirl made a reference to "Clark's friend Chloe" and her Wall of Weird tonight.
On set interview with Supergirl stars Melissa Benoist and Chyler Leigh discussing Kara & Alex's road trip to "Midvale"
