Fringe kicks off its Season 5 swan song on Friday, Sept. 28 (Fox, 9/8c) back in the Observer-controlled future of 2036, and we’ve got a sneak peek of Peter and the team, plus one very grown-up daughter, searching for Olivia in that bleak and amber-filled world.

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But even if they do find her — and one of the pictures below suggests they do — things might not be as peachy as they used to be between the now-married agents.

“They had their daughter taken from them [by Observers],” showrunner Joel Wyman recently told TVLine. “And most couples, when they lose a child… don’t make it through that. So what happened to Peter and Olivia before the ambering?”

Will they even be happy to see each other again? Check out the gallery and then hit the comments with your thoughts on the unorthodox family reunion.