Review of the Supergirl episode "We Can Be Heroes"
Sneak peek preview clips for the Supergirl episode "We Can Be Heroes"
Official preview images for the Supergirl episode "We Can Be Heroes"
Screen captures from the promo trailer for the Supergirl episode "We Can Be Heroes"
Promo trailer previewing the Supergirl episode "We Can Be Heroes"
Extended promo trailer for the Supergirl episode "Supergirl Lives" and beyond, featuring the return of Brit Morgan as Livewire
Official CW description for the Supergirl episode "We Can Be Heroes."