I'm behind on my Fringe, but given the passion of the fans and the nature of this internet job, I understand the central question heading into season four is how Joshua Jackson will be incorporated into the story going forward.  Fox kicked things off with a Comic-Con clip that starts as a joke and ends with a neat twist.  In the weeks since, Fox has unveiled a series of teasers that address the question, "Where Is Peter Bishop?"  The newest WIPB? teaser was uploaded yesterday, and features the first real footage from the new season, premiering September 23.  Watch it after the jump.Here's the new teaser:If you want to catch up, here are the first three teasers:fringe-tv-show-poster-01