Watch Lost Season 5 full episodes online, free and paid options via our partners and affiliates.

Jacob
Watch Lost Season 5 Episode 16
"The Incident"
Original Air Date:

Jack's plan to fix things on the Island is by by resistance from those close to him; Locke assigns Ben a difficult task.

Watch Lost Season 5 Episode 15
"Follow the Leader"
Original Air Date:

Jack and Kate disagree on how they want to save the other Island survivors; Locke solidifies his role as leader of the Others; and Sawyer and Juliet come under the scrutiny of Dharma.

Daniel Faraday Pic
Watch Lost Season 5 Episode 14
"The Variable"
Original Air Date:

Daniel Faraday returns to - and comes clean about what he knows about - the Island. But not all goes as planned.

Miles Pic
Watch Lost Season 5 Episode 13
"Some Like It Hoth"
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Ben is taken from the infirmary and Miles is forced to work with Hurley to deliver a package. Meanwhile, we learn about Miles via flashbacks.

Michael Emerson as Ben Linus
Watch Lost Season 5 Episode 12
"Dead is Dead"
Original Air Date:

Ben summons the smoke monster so he may be judged for his sins.

Kate Austen Photo
Watch Lost Season 5 Episode 11
"Whatever Happened, Happened"
Original Air Date:

The castaways seek to save a wounded young Ben unravel the mystery of whether or not they even have a choice in the matter. Kate and Sawyer's relationship is also explored.

Van on Fire
Watch Lost Season 5 Episode 10
"He's Our You"
Original Air Date:

Things begin to unravel when one of the survivors takes things into his or her hands, risking the lives of everyone on the Island.

Sawyer and Miles
Watch Lost Season 5 Episode 9
"Namaste"
Original Air Date:

When old friends drop in, Sawyer is forced to perpetuate his lie for their protection. Meanwhile, Sun is somehow separated from the rest of the Oceanic 6.

Amy and Juliet
Watch Lost Season 5 Episode 8
"LaFleur"
Original Air Date:

On this episode of Lost, Sawyer, Juliette and company are firmly entrenched in the life of the Dharma Initiative. How come? Read on and find out!

The Life and Death of Jeremy Bentham
Watch Lost Season 5 Episode 7
"The Life and Death of Jeremy Bentham"
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Locke's mission off the Island under the name of Jeremy Bentham is revealed.

Katherine Austen
Watch Lost Season 5 Episode 6
"316"
Original Air Date:

The way back to the Island is finally revealed to the Ocean Six, but not all of them want to return.

James Ford (Sawyer)
Watch Lost Season 5 Episode 5
"This Place is Death"
Original Air Date:

Locke tries to stop the island's time shifts. Meanwhile, Ben hits a roadblock in his attempt to bring the Oceanic 6 back to the island.

The Little Prince
Watch Lost Season 5 Episode 4
"The Little Prince"
Original Air Date:

Kate discovers that someone knows the secet of Aaron's lineage. Meanwhile, there continues to be dramatic shifts in time, putting the island survivors in peril.

Jughead
Watch Lost Season 5 Episode 3
"Jughead"
Original Air Date:

Desmond tries to hunt down Faraday's mother, with unexpected results; Locke, Sawyer, Juliet and Faraday navigate the Island, circa 1954.

Ben Linus
Watch Lost Season 5 Episode 1
"Because You Left"
Original Air Date:

The fifth season of Lost premiered with "Because You Left." Sit back and enjoy this detailed episode guide for it.