Tell me, why was there a polar bear on the island?
Why was there a polar bear in Tunisia?
Continental drift? :P The map shown on the news coverage did show the location of Oceanic815 to be off of Indonesia, so I doubt that theory. I reckon multiple Dharma stations in various extreme environments are the answer.
I got serious Lost withdrawal problems when it switched to Sky from Channel4 in the UK and was shown at a later time in the evening >:( But now I just download every episode to my computer and watch it before it screens here :)