The episode "The Substitute" takes us into Locke's world in Sideways 2004. Yes, he's back - or still? - in a wheelchair.
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It's safe to say that Ben has a lot to learn and figure out on season six of Lost. His life has changed considerably.
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Locke really is dead. At least for now. At least during this scene in "The Substitute."
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In this scene from "The Substitute," Ben and Ilana hold forth. How are these two connected to each other?
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Who doesn't love Frank Lapidus? He has been a great addition to the Lost cast.
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Sun and Lapidus expect the body of the real John Locke in this scene. It's courtesy of the episode "The Substitute."
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In 2004, Kate is holding a cabbie and Claire hostage. This is in a new, parallel timeline.
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Sawyer is reverting back to his season one form. He's one unhappy castaway in light of Juliet's death.
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Why do we add this question mark? Because it's unclear if Jack is helping the real Sayid.
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Why is Juliet smiling in this death scene? Might she know something Sawyer does not?
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They meet again! Fake Locke knows Richard, from way back in the day. These two don't seem to get along.
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Seen here on the season six premiere of Lost, Jack is alive and well on flight 815. Kind of. Sort of. He has a random cut on his neck.
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Lost Quotes

I'll miss you John. I really will.

Ben

Locke: What is that?
Richard: It's a compass.
Locke: What does it do?
Richard: It ... points north, John.