Watch Lost Across the Sea Full Episode Online Streaming Video is the 15 episode of season 6 of Lost. As Jacob and the Man in Black are featured in the episode's flashbacks, while no real time scenes occur. Smokey is determined to get off the island because he spent a childhood being lied to by his "mother" about the rest of the world, and has been spending centuries trying to prove her wrong. Watch full episode of Lost Across the Sea Video Streaming Online only at abc.com of Season 6 Episode 15 (S06E15).