"316" was a very interesting episode imo, as it paid a lot of homage to the series' "Pilot" episode. From the initial scene that opened with Jack waking up in the middle of the forest, the Oceanic Six reuniting in a plane that was similar to the first time it crashed only different in some parts (Sayid is now handcuffed instead of Kate, Jack is still carrying the coffin), until the moment we saw Flight 316 experience a pre-crash turbulence. And I was amazed how the episode was completely through Jack's point of view, and we start to realize Jack's change of philosophy from Man of Science as a Man of Faith like Locke.