Re: Fringe 4x19 - "Letters of Transit" (Live Commentary, Spoilers)
there was probably a reason for 2015... after all, there's nothing to stop them from going back to the beginning, stopping the normal humans from evolving, and starting again right there...
so there's definitely a reason why they invaded at that point in time, though god knows what it is lol
In Russia, a 122 year old man has passed away, he credited his long life to abtaining from alcohol, tobacco and women. His last words were "I've made a huge mistake."