Best and worst moments of ‘Lost’

BEST UNEXPLAINED FLASHBACK EVENT
How did Locke get paralyzed, dammit? Explain, already! We bet it somehow involves that rotten dad of his.
WORST UNEXPLAINED FLASHBACK EVENT
Why did Jack's marriage break up? Was his father a factor? Was Desmond? Does anyone care?

EVERYTHING ELSE

BEST SAWYER NICKNAME
"Jabba," for Hurley. It's cruel, but now we're picturing Sawyer in Princess Leia's little gold slave-girl bikini.
WORST SAWYER NICKNAME
"Freckles," for Kate. That's a dog's name.

BEST LINE
"We're gonna have to watch that again," as spoken by Locke, after watching the first Dhama initiation film. So good a line, it reverberated later in the season, when Locke and Eko found a film in The Pearl station. "Are you going to want to watch that again?" asked Eko.
WORST LINE
"I'm sorry I forgot the blankets!" Hurley usually has one gem of a line every episode, but draped over a dying Libby, he referred back to the picnic they never had with an apology that was meant to be poignant, but just came off as weird.

BEST THEORY ABOUT THE SHOW
One reader suggested to us that the main characters represent the seven deadly sins. Disregarding the fact that there are more than seven characters, we love this idea, especially the matching up of the sins. Let's see, Hurley is gluttony, Sawyer is lust, Charlie is sloth...or is Sawyer sloth? And maybe the others match up with virtues instead. See, we could do this all night. This theory has legs.
WORST THEORY ABOUT THE SHOW
"It's Purgatory!" Ugh, no, that's boring and dull and been done before. No, it's not Purgatory.

Gael Fashingbauer Cooper is MSNBC.com's Television Editor.

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