Supergirl 1x20 Extended Promo “Better Angels“ (HD) Season Finale

Supergirl 1x20 “Better Angels“ (Season Finale) - Supergirl is forced to do battle with an unexpected foe and must risk everything – including her life – to prevent Non and Indigo from destroying every person on the planet, on the first season finale of SUPERGIRL, Monday, April 18th on CBS. Official website: Official Twitter page: Official Facebook page: Supergirl 1x20 Extended Promo/Preview “Better A