VIDEO : Spoiler Alert: What Happened In Supergirl 'Bunker Hill'

The latest episode of 'Supergirl', "Bunker Hill," showed Nia Na get a step closer to the superhero, Dreamer.
Comicbook.com says it also revealed some other important information about Kara Danvers' CatCo protege.
At the beginning of the episode, fans were also intro-ed to the truth behind Nia's sleeping spells.
She apparently has highly vivid dreams of a precognitive nature.