Lost (2004–2010)
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An unlikely person helps Desmond save the life of the mysterious woman who crashed onto the island, and Juliet helps Sun find out whether she conceived on the island or before the plane crash.


(as Frederick E.O. Toye)


(created by), (created by) | 3 more credits »

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Episode cast overview, first billed only:
Sayid Jarrah (credit only)
Benjamin 'Ben' Linus (credit only)
James 'Sawyer' Ford (credit only)
John Locke (credit only)
Byron Chung ...


Juliet invites Sun along the night to submit to a medical ultrasound examination in a facility of The Others hidden in an old Dharma station to determine the date of conception of the fetus. Juliet discloses that all women that became pregnant in the island had died, driving Sun to a dilemma about who could be the father of the baby. Sun recalls when she was blackmailed by a mysterious woman about the origins of Jin and his impoverished background. Meanwhile in the jungle, Desmond, Charlie, Jin, and Hurley capture Mikhail, the mysterious Russian man (first presumed dead), and he makes an offer: he could heal the wounded woman, named Naomi who parachuted onto the island via helicopter, if they release him after the conclusion of the medical procedures. Written by Claudio Carvalho, Rio de Janeiro, Brazil

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Release Date:

25 April 2007 (USA)  »

Filming Locations:

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Technical Specs


Sound Mix:


Aspect Ratio:

1.78 : 1
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Did You Know?


The title of this episode is D.O.C which means 'Date of Conception' See more »


Desmond, Charlie, Hurley and Jin are somewhere in the jungle standing around Naomi who has been wounded after parachuting from a helicopter, when Mikail suddenly appears. Jin chases Mikail through the jungle for at least 30 seconds and Desmond and Charlie follow. After Jin catches and subdues Mikail, Desmond and Charlie walk up. The scene suddenly shifts to Desmond holding a flare gun to Mikail's chest, but now Hurley is there and they're still close enough to where Naomi was lying on the ground to hear her moaning and talking in different languages. Not enough time has elapsed for them to have walked back to where they left Hurley and Naomi. See more »

Crazy Credits

The producers gratefully acknowledge the cooperation of the people of Hawaii and their Aloha spirit. See more »


End Title
Written by Michael Giacchino
Performed by The Hollywood Studio Symphony
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User Reviews

Date of Conception
20 December 2008 | by (prejudicemadeplausible.wordpress.com) – See all my reviews

"D.O.C." is the exact opposite of the episode which came right before it, "Catch-22", in that while that episode was always going to be good simply due to the stories it was telling and the generally professional writing one expects from "Lost", it didn't go beyond expectations and do anything especially interesting, but "D.O.C." has little to work with but ends up being a fine episode in many respects, around as good as "Catch-22". The episode is essentially an extension of the soap-opera 'who's the father?' story with Sun's baby, the story relating to pregnancies on the island, and yet again explores some of the social attitudes in Korea and deals with Sun's father and his powerful nature yet again. Also, the woman who parachuted onto the island in "Catch-22", Naomi, is treated for her injuries. Once again proving themselves to be the perfect writers to handle the more soap-opera-like stories on the show (as opposed to Elizabeth Sarnoff or Christina M. Kim, who have written some truly puke-worthy sappy nonsense), Eddy Kitsis and Adam Horowitz deliver a script that exceeds expectations and make most of the episode very interesting.

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