I thought this (http://www.avclub.com/artic… was Trolling.

Alterna-Locke knows how to fly a plane… more or less. If something happens during the finale where the two universes come together, he can get everyone off the island.

I realize that I'm late to the party, but I think Dalek1000 is right when he says the crack is going to be the Bad Wolf of season 5. We've now seen the crack at the end of all three stories, so it's obvious that it's going to be important this season. And I think that like the Bad Wolf, the reason it's occurring has…