The characters present in that final church scene are characters both dead and alive in island time, meaning several characters (including Kate, Sawyer and Claire) went on to live a full life beyond the series finale.
If you haven’t seen, we suggest you watch right away while following along with podcast ‘The Lost Boys’.
Lost, which premiered 15 years ago today (22 September), has the most misunderstood of all time.
The logic is that, should the hatch never be created, Oceanic Flight 815 will never crash on the island.