JACK SUSPECTS FOUL PLAY WHEN MICHAEL BECOMES VIOLENTLY ILL, A SECRET FROM KATE'S PAST IS REVEALED, THE HATCH IS SHOWN TO SOME OF THE SURVIVORS, AND WALT GIVES LOCKE A WARNING, ON ABC'S "LOST"

"Born to Run" - Jack suspects foul play when Michael becomes violently ill while building the raft. Meanwhile a secret from Kate's past is revealed, the mysterious hatch is shown to a few of the survivors, and Walt gives Locke a warning, on "Lost," WEDNESDAY, MAY 11 (8:00-9:01 p.m., ET), on the ABC Television Network.

"Lost" stars Naveen Andrews as Sayid, Emilie de Ravin as Claire, Matthew Fox as Jack, Jorge Garcia as Hurley, Maggie Grace as Shannon, Josh Holloway as Sawyer, Malcolm David Kelley as Walt, Daniel Dae Kim as Jin, Yunjin Kim as Sun, Evangeline Lilly as Kate, Dominic Monaghan as Charlie, Terry O'Quinn as Locke, Harold Perrineau as Michael and Ian Somerhalder as Boone.

Guest starring are Anosh Yagoob as Sanjay, Daniel Roebuck as Dr. Arzt, Tamara Lynch as nurse, Mackenzie Astin as Tom and Beth Broderick as Diane.

"Born to Run's" story was by Javier Grillo-Marxuach, with the teleplay by Edward Kitsis & Adam Horowitz. Tucker Gates directed.

"Lost" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound.

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