ABC has confirmed the premiere date for the fifth season of Lost, and it's Jan. 21.
Yep, that's a Wednesday, and it's where Lost — which last season aired Thursdays at 10 pm/ET, following Grey's Anatomy — will stay.
More specifically, Lost's regular time slot will be Wednesdays at 9 pm, though the new cycle will kick off with a three-hour event — a clip show followed by the first two episodes.
At this time, sources are unable to confirm if the 17-episode Season 5 will in fact pull off the straight-through feat.
Full article: http://www.tvguide.com/News/Lost-Season-Premiere-58305.aspx