55-source research library

Sources, confidence and corrections

Official pages and archives establish ownership, credits, air dates and times. Trade reporting establishes development status. Fan frame observations remain clearly labeled until episode and timecode captures are attached.

Exact time record: LOST premiered September 22, 2004 at 8:00 p.m. ET; FROM Season 3 premiered on the exact twentieth anniversary, with reported streaming availability at 3:00 a.m. ET and linear MGM+ broadcast at 9:00 p.m. ET/PT; LOST Numbers Day reached its complete alignment on April 8, 2015 at 16:23:42.