Screen Rant

  • One of Lost's biggest mysteries was the smoke monster. 1 / 7

    Lost Poster vertical

  • Eventually revealed as the formless version of the Man in Black. 2 / 7

    Lost Jacob's Tapestry vertical

  • However the post-pilot Lost bible suggests an alternate origin was planned. 3 / 7

    Lost Pilot Plane Crash

  • The smoke monster was originally envisioned as a man-made security system. 4 / 7

    Lost Finale The End Vertical TLDR

  • This explains the mechanical noises heard in season 1. 5 / 7

  • And why Ben can summon the creature. 6 / 7

    MICHAEL EMERSON

  • Suggesting the change was made only in the final 2 seasons when Jacob appeared. 7 / 7

    MARK PELLEGRINO as Jacob in Lost vertical