Supergirl kicks off the DC TV crossover "Crisis on Earth-X" tonight.
Supergirl's Melissa Benoist talks about this year's DC TV crossover "Crisis on Earth-X."
Supergirl cast member Chyler Leigh previews the four-show DC TV crossover "Crisis on Earth-X" airing on The CW.
From the archive, actors recall the Smallville Thanksgiving scene from the episode "Rage"
Greatest American Hero William Katt appears in the Supergirl chapter of the DC TV "Crisis on Earth-X" crossover.
Superman actors Dean Cain and Brandon Routh both ended up on the same flight and took a photo together.
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"
