We all get really good at pretending that the loneliness isn't there, and then something comes along to remind us. I know what it's like to have a hole in my life. It's been there as long as I can remember.

So says Olivia in the following new trailer for Fringe, which asks the question on the minds of all fans: Where is Peter Bishop?

Will we find out on the September 23 premiere? How will events from the May finale affect Walter and others? Visit our Fringe spoilers section for the latest and, of course, bookmark TV Fanatic throughout the 2011-2012 season for the most thorough Fringe reviews on the planet.