Supergirl's Nicole Maines Teases 'Super Fun' Flashback Episode, 'Emotional Hurdles' to Be Faced in Rescuing Kara

Supergirl is taking it all the way back… to 2009! (Feeling old yet?) This week’s episode, titled “Prom Night!” and airing tonight at 9/8c, finds Dreamer and Brainiac traveling back to the past in the hopes of acquiring an item that could be to key to rescuing the Girl of Steel from the Phantom Zone. […]