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Exclusive Video: Fringe Flashes Back (Again)

Fox’s Fringe is revving up the time machine again this Friday with a flashback-heavy episode that picks up where last season’s sublime circa-1980s installment, “Peter,” left off.

The highly-anticipated follow-up, titled “Subject 13,” will explore the repercussions of Peter’s abduction and, for the first time, take viewers inside Olivia’s stint as Walter’s lab rat. But before we step back in time let’s look to the future with this haunting teaser clip from Friday’s can’t-miss hour.