Overnight ratings report for the Supergirl episode "Survivors"
Preview clip for the Supergirl episode "Survivors" airing Oct. 31 on The CW
Official CW preview images for the Supergirl episode "Survivors"
Screen captures from the extended promo trailer for the Supergirl episode "Survivors," featuring Miss Martian and Roulette
Preview trailer for the Supergirl episode "Survivors"
Official CW description for the Supergirl episode "Survivors" featuring Miss Martian