Digging in Jersey City and the only thing of interest they discovered was a football and ancient technology? 
I *really* liked this episode. It wasn't flawless. It wasn't even as emotionally gripping as "Peter" or "August." Or as riveting as "Olivia." But the revelations were just so much damn fun to watch, that I kinda have to give this one an Excellent.

I *really* liked this episode. It wasn't flawless. It wasn't even as emotionally gripping as "Peter" or "August." Or as riveting as "Olivia." But the revelations were just so much damn fun to watch, that I kinda have to give this one an Excellent.
I'm still banking that the Fringe universe is in an alternate universe with different laws of phyics from our own. Yes, that's it. I imagine this will be revealed somewhere around season 7. (Half-joking)
) was that the observers were left by the first people to orchestrate a return of the first people when the timing is right. In either case, I definitely agree that the observers are at least connected to the first people.