It looks like Jack's father, Christian Shepard is back in the upcoming episode of Lost, "Namaste."
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Ben, Sun and Frank Lapidus go walking together on the Island in this scene from the upcoming episode of Lost, "Namaste."
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Jin and Sawyer walk alongside a captured Sayid in this scene from the upcoming episode of Lost, "Namaste."
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Jin talks on the microphone as he wears a Dharma jumpsuit with his name and the title of "Security" on it in this photo from the upcoming episode of Lost, "Namaste."
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The new recruits gather round in their jumpsuits and leis as they join Dharma in the upcoming episode of Lost, "Namaste."
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Well that's at least what the banner says above Sawyer, Kate, Hurley and Jack's head in the upcoming episode of Lost, "Namaste."
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Hurley, Kate and Jack are at the Dharma barracks in a very 1970s look in the scene from the upcoming episode of Lost, "Namaste."
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Sawyer looks all clean shaven and dons a pair of glasses in the upcoming episode of Lost, "Namaste."
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Juliet holds Amy's baby and looks pretty natural as a mother in the upcoming episode of Lost, "Namaste."
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Juliet comes over to Amy while she lays in a hammock with her baby in the upcoming episode of Lost, "Namaste."
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Eric Lange guest stars as Radzinsky in the upcoming episode of Lost, "Namaste." Radzinsky is the famously mysterious Lost character that killed himself while partnering with Kelvin Joe Inman in the Swan.
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A picture of Sawyer and Miles in some jumpsuits from the upcoming episode of Lost, "Namaste."
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Lost Season 5 Episode 9 Quotes

[to Jin] Dude. Your English is awesome.

Hurley

Jack: John's dead.
Sawyer: Dead? How?