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It is tough to single out one episode as my absolute favorite. There area number of them which stand out for various reasons. But it had to pick one that fired on all cylinders, it would have to be the third season finale, ’Through the Looking Glass.”
This episode featured the first time the Lostaways took the offensive against the Others. It has been labeled the series game changer because it introduced the flash forwards, although we did not know the story with Jack was taking place three years later after he had escaped the island with the rest of the oceanic Six. “Through the Looking Glass” is most famous for Charlie’s death scene. He was far from my favorite character, but I agree his sacrifice is the most touching moment of the first half of the series.
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I cannot forget 'Through the Looking Glass" also introduced the mystery of who the dead Jeremy Bentham really was:
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