I've already mentioned this episode of Lost here but, in recent memory, "Through the Looking Glass" is the season finale that left me saying, "HOLY CRAP! WHAT?!" In fact, I think I texted that exact sentence to my friend Todd when he was recently watching the entire series for the first time. I said, "As soon as you finish the season 3 finale, call me!"
Spoiler videos ahead.
First this happened:
And then, on a show known for its flashbacks, this happened:
God, it was fantastic.
I do not care if the last season of Lost disappointed people. The show was amazing. You could tell the writers were actually trying to DO something interesting and meaningful and more intelligent than the 99 pounds of crap that we see shoveled on network television most of the time.