SUN DISCOVERS THE IDENTITY OF HER UNBORN CHILD'S FATHER AFTER BEING EXAMINED BY JULIET, AND DESMOND ALLOWS AN UNLIKELY FOE TO HELP SAVE THE LIFE OF A MYSTERIOUS NEW ISLAND INHABITANT, ON ABC'S "LOST"

"D.O.C. � After discovering that all of "The Others'" pregnant women died before giving birth on the island, an extremely reticent Sun allows Juliet to examine her -- and uncovers the identity of the unborn child's father. Meanwhile, Desmond allows an unlikely nemesis to help save the life of a new, mysterious island inhabitant, on "Lost," WEDNESDAY, APRIL 25 (10:00-11:00 p.m., ET), on the ABC Television Network.

"Lost" stars Naveen Andrews as Sayid, Henry Ian Cusick as Desmond, Emilie de Ravin as Claire, Michael Emerson as Ben, Matthew Fox as Jack, Jorge Garcia as Hurley, Josh Holloway as Sawyer, Daniel Dae Kim as Jin, Yunjin Kim as Sun, Evangeline Lilly as Kate, Elizabeth Mitchell as Juliet, Dominic Monaghan as Charlie and Terry O'Quinn as Locke.

Guest starring are Byron Chung as Mr. Paik, Andrew Divoff as Mikhail, Marsha Thomason as Naomi, John Shin as Mr. Kwon, Alexis Rhee as older woman, Esmond Chung as Paik's associate and Jean Chung as Paik's secretary.

"D.O.C." was written by Edward Kitsis & Adam Horowitz and directed by Fred Toye.

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

A TV parental guideline will be assigned closer to airdate.