[EPISODE 4 SPOILER] Episode Discussion - 1.04 "Fire in the Sky"

Season 1 Episode 4: Fire in the Sky | Expected to air at 10 PM ET Monday July 29 on NBC

Episode Summary: Very personal relationships begin to evolve and take shape among the contestants, but the bonds are altered by a mysterious phenomenon which lights-up the night sky.

This is a spoiler-friendly zone. If you have not watched the episode yet, turn back now!

Feel free to discuss the show's fourth episode in detail.