: The discovery of Ethan Rom , a man not on the passenger manifest, confirms that the survivors are not alone on the island.

When Lost premiered on on September 22, 2004, it didn't just change television—it redefined it. The first season, often referred to by fans and researchers via the search term " Index of Lost Season 1 ," remains one of the most critically acclaimed and commercially successful debuts in TV history.

: The season ends with the launch of a survival raft and the explosive opening of the hatch, though both events lead to dark new mysteries. Character Roster and Cast

An unlucky lottery winner who believes his numbers are cursed Production and Filming

The story begins with , en route from Sydney to Los Angeles, crashing on a mysterious island. Led by spinal surgeon Jack Shephard , the survivors quickly realize that rescue is unlikely because the plane was a thousand miles off course when it crashed. Key Season 1 Milestones