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Welcome to Watch Lost Online, the ultimate website for those who love to Watch Lost Online for free. Here you can stream all Lost episodes online without downloading any extra software on your computer. Watch Lost Online is a spam free organization that is dedicated to bringing you all the episodes from Lost that was ever aired on TV. We update our website on weekly basis with new links for all episodes. To start your navigation, use the season menu located on the left side of the website under the "Watch Lost Online Season Guide" section.

Most Viewed Episodes

Lost Season 6 Episode 10
Views: 51,783 | Aired: Mar 30, 2010
Lost Season 6 Episode 15
Views: 23,148 | Aired: May 11, 2010
Lost Season 6 Episode 16
Views: 21,232 | Aired: May 18, 2010
Lost Season 6 Episode 1
Views: 15,794 | Aired: Feb 2, 2010
Lost Season 6 Episode 2
Views: 15,325 | Aired: Feb 2, 2010
Lost Season 1 Episode 1
Views: 13,639 | Aired: Sep 22, 2004
Lost Season 3 Episode 12
Views: 13,452 | Aired: Mar 14, 2007
Lost Season 6 Episode 14
Views: 13,444 | Aired: May 4, 2010

Top Rated Episodes

Lost Season 6 Episode 14
| Aired: May 4, 2010
Lost Season 6 Episode 16
| Aired: May 18, 2010
Lost Season 6 Episode 17
| Aired: May 23, 2010
Lost Season 6 Episode 5
| Aired: Feb 23, 2010
Lost Season 6 Episode 9
| Aired: Mar 23, 2010
Lost Season 2 Episode 6
| Aired: Nov 9, 2005
Lost Season 5 Episode 14
| Aired: Apr 29, 2009

Latest Released Episodes

S6E18: The End (Part 2)
Air Date: May 23, 2010
Views: 10,475
Comments: 41
Rating: 3.71/5 (14)
The Man in Black's final fate is determined, and one survivor must make the ultimate sacrifice to save the island. Meanwhile, in another life, the ones who might have been the survivors gather for a final time.
S6E17: The End (Part 1)
Air Date: May 23, 2010
Views: 10,044
Comments: 6
Rating: 4.20/5 (10)
Jack, the new protector of the island, meets with Locke and they go past the bamboo field with Desmond to visit the heart of the island. Meanwhile, in another life, Desmond and Hurley work with Sayid and Kate to reunite with some familiar faces and get everyone to the concert.
S6E16: What They Died For
Air Date: May 18, 2010
Views: 21,232
Comments: 21
Rating: 4.25/5 (20)
Locke gains a new follower and goes to confront Widmore. Meanwhile, Jacob meets with the candidates and one of them must choose their destiny. And in another life, Locke makes a decision while Desmond gathers the others.
S6E15: Across the Sea
Air Date: May 11, 2010
Views: 23,148
Comments: 31
Rating: 3.55/5 (22)
The origins of Jacob and the Man in Black are revealed.
S6E14: The Candidate
Air Date: May 4, 2010
Views: 13,444
Comments: 17
Rating: 4.36/5 (14)
Locke, Jack, and Sayid free the prisoners and attempt to escape the island, but Locke has his own plans. Meanwhile, in another reality, Jack tries to learn why Locke won't seek a cure for his condition.
S6E13: The Last Recruit
Air Date: Apr 20, 2010
Views: 12,597
Comments: 13
Rating: 3.41/5 (17)
As alliances are forged and broken as the Locke and Jack camps merge. Widmore delivers his ultimatum. Meanwhile, Jack makes a decision, Jim and Sun are reunited, and in another life, the candidates draw ever closer together.
S6E12: Everybody Loves Hugo
Air Date: Apr 13, 2010
Views: 8,065
Comments: 8
Rating: 3.75/5 (8)
Hurley tries to determine what he has to do to save everyone, and who to listen to. Meanwhile, Locke meets Desmond, Richard insists on blowing up the plane, and in another life, a rich and successful Hurley meets a woman from an insane asylum who insists she knows him.