ABC once again invites new and avid Lost viewers to take another look at one of the most talked about and critically acclaimed shows. "Lost: Past, Present & Future" will explore the series in a way that will bring new viewers up to date–but which current viewers will also find illuminating–in anticipation of the fourth season premiere episode. The special will take an in-depth look at the mysteries of both the Island and its inhabitants and recap the secrets that have been revealed, as well as those that remain unanswered. “LOST: Past, Present & Future” aired Thursday, January 31 (8:00-9:00 p.m., ET) on the ABC Television Network, and on Sky One on Saturday, February 2 (8-9am GMT) and Sunday, February 3 (6-7pm GMT).