Ultimate Lost and Philosophy

What are the metaphysics of time travel?
How can Hurley exist in two places at the same time?
What does it mean for something to be possibly true in the flash-sideways universe?
Does Jack have a moral obligation to his father?
What is the Tao of John Locke?

Dude. So there’s, like, this island? And a bunch of us were on Oceanic flight 815 and we crashed on it. I kinda...