Watch The Supergirl / The Flash Crossover again w/commentary by Greg Berlanti & Andrew Kreisberg after Pacific Time Airing
Right after the pacific time airing of the Supergirl / The Flash crossover episode of Supergirl tonight on CBS you can watch the episode again with commentary from Greg Berlanti and Andrew Kreisberg on the CBS website.
Supergirl – Watch Full Episodes & Video Clips – CBS.com
