...I really, really love The 100. Like, so much. Balls the size of Gibraltar on those guys. I've mentioned it before, but seriously. Watch this show. That's some good storytelling, right there.
Season 1 is on Netflix, and I think at least some of season 2 is on HuluPlus. No regerts.
ETA: for funsies, here's an interview with the showrunner, about the fallout in season 2.