Supergirl 1x20 Sneak Peek #2 "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: http://www.cbs.com/shows/supergirl/ Official Twitter page:   / supergirlcbs   Official Facebook page:   / supergirlcbs   Supergirl 1x20 Sneak Peek #2/Preview "Better Angels" (Season Finale) Supergirl Season 1 Episode 20 Sneak Peek #2 Supergirl Season 1 Season Finale Sneak Peek #2 Supergirl 1x20 Sneak Peek #2 "Better Angels" (HD) Season Finale