with 131 episodes premiered on April 27, 2005

with 24 episodes premiered on September 22, 2004

Mysteries abound on the first season of LOST as the survivors of Oceanic Air flight 815 find themselves stranded on an unidentified island with little hope of rescue.

with 24 episodes premiered on September 21, 2005

The motley crew of castaways remains stranded on the eerie deserted island populated by mysterious things that go bump in the night.

with 23 episodes premiered on October 4, 2006

The castaways continue to seek strength as paranoia increases, prompting the revelation of more backstories -- and more secrets about the island.

with 13 episodes premiered on January 31, 2008

Picking up from the shocking Season 3 finale, learn via "flash forwards" who from Oceanic Airlines flight 815 gets off the island.

with 17 episodes premiered on January 21, 2009

Season 5 finds six survivors of Oceanic Air Flight 815 returning to civilization and wrestling with the memories of those they left behind.

with 17 episodes premiered on February 2, 2010

After Season 5’s explosive finish, everything is up in the air for the survivors of flight 815. No one knows what — or who — the future will hold. Will Juliet’s sacrifice to save her friends work? Ca… see more