Lost
Season 6 Episode 15 - Across the Sea
Jacob and the Man in Black are revealed to be twin brothers. They are raised by a mysterious woman who is charged with protecting the island. As revenge for the murder of their adoptive mother (who killed their real mother), Jacob throws his brother into the source of electromagnetism after being made the island's guardian, which transforms the Man in Black into the smoke monster.
Episodes in Season 6
LA X (1)
44 min
LA X (2)
43 min
What Kate Does
43 min
The Substitute
44 min
Lighthouse
45 min
Sundown
43 min
Dr. Linus
44 min
Recon
44 min
Ab Aeterno
48 min
The Package
44 min
Happily Ever After
43 min
Everybody Loves Hugo
43 min
The Last Recruit
44 min
The Candidate
44 min
Across the Sea
44 min
What They Died For
44 min
The End
105 min