I watched it for awhile, I think I finished Season three, and then just watched parts in teh next seasons. Once they started traveling through time, I stopped caring. It just bothered me. I liked the sense of mystery the first season gives the island, with the monster, and unexplained polar bears and such, and the second season started the hatches. I could live with those because I liked the concept of a mysterious island they could get off of, hell, most of the things in the further seasons I liked, I just became busy and couldn't catch much of it. It's just when they start saying the island travels through time, that is when I just dropped the series.