The concluding chapter of “Lost” has prompted all kinds of speculation. On September 22, 2004, the show premiered with a plane crash on a mysterious tropical island and it has been an endless source of intrigue and speculation ever since. Some of the best of the salutes and round-ups include Entertainment Weekly’s list of the best and worst moments and most burning questions that the finale should answer and much speculation about what the last episode can and should include. The Washington Post’s resident Lost-ie, Jen Chaney has written about some of the responses to the show including the Field School’s high school class on “Lost,” its philosophy, and its references and the “recap” rock group called Recently on Lost.

If you watch tonight’s extravaganza, let me know what you think!