Viewers often cite this as Charlie’s strongest hour. His final moments with Claire and his "list" for her underscore how much he has grown, moving away from his self-destructive past to a selfless hero.
"Greatest Hits" is a masterclass in how to say goodbye to a series regular. It balances the "Island Mystery" (the Looking Glass station) with the "Human Element" (Charlie’s legacy), making it essential viewing that sets the stage for the legendary "Not Penny's Boat" moment in the following episode. Lost - Season 3 Episode 21
The emotional payoff of Charlie’s list and the masterful way it ties his pre-island life to his current bravery. Viewers often cite this as Charlie’s strongest hour