http://www.imdb.com/title/tt0411008/episodes#season-6
Lost Season 6 Episode List
Episode 1: LAX
Episode 2: LAX (2)
Episode 3: What Kate Does
Episode 4: The Substitute
Episode 5: Lighthouse
Episode 6: Sundown
Episode 7: Dr. Linus
Episode 8: Recon
Episode 9: Ab Aeterno
Episode 10: The Package
Episode 11: Happily Ever After
Episode 12: Everybody Loves Hugo
Looks like 12 then a break before the other 6
18 Total.