Video sneak peek and "Inside" video promoting the Supergirl episode "Homecoming"
Preview clip for the Supergirl episode "The Martian Chronicles"
The CW has released a video interview with Melissa Benoist previewing the upcoming four-show crossover.
Preview clip for the Supergirl episode "Medusa" featuring Mon-El vs. Cyborg Superman
Preview clip for the Supergirl episode "Medusa" which kicks off the DC TV crossover.
Preview clip for the Supergirl episode "The Darkest Places" featuring the Guardian
The CW has released two preview videos for the Supergirl episode "Changing."
Executive Producer Ali Adler previews tonight's episode of Supergirl, titled "Crossfire."
Preview clip for the Supergirl episode "Survivors" airing Oct. 31 on The CW