Lost - Season 3 Episode 21 -

As the survivors prepare for a final confrontation with the Others, Jack devises a plan to rig their tents with dynamite to ambush the incoming raiding party. Simultaneously, Sayid discovers a way to jam the Others' communication system, but it requires someone to swim down to an underwater DHARMA station known as "The Looking Glass". Charlie Pace, knowing from Desmond’s premonitions that he will likely die in this mission, volunteers for the job.

Critics and fans alike praise the episode for its focused character work. It currently holds a high standing on "best of" lists for the series. Lost - Season 3 Episode 21

The episode’s namesake comes from Charlie’s flashback, where instead of a traditional character backstory, we see the "five best moments" of his life. This unique structure turns his impending sacrifice into a powerful redemption arc for a character who struggled with addiction and purpose since the pilot. As the survivors prepare for a final confrontation