1. You Know Who Survived By the End of the Premiere

"I think one of the fun aspects of the season premiere is because we jump forward six months as we always do, we're slowly revealing," Guggenheim says. "You'll see someone and go, oh, that person's alive! And then you see that someone's not around, and then you'll start to wonder, and so we definitely are playing with everyone's feelings, because that's what we do on Arrow."