'Fringe': The new season brings Walter, Olivia, and Peter together with great emotion | Ken Tucker's TV | EW.com

excerpt:"he frequently heart-breaking, beautifully romantic yet action-packed season of Fringe continues, with the series moving along on great swells of emotion, as though trying to reach the peaks of the Mozart that Walter was listening to in “One Night in October.” This week, the hour titled “Subject 9″ returned to the series’ most potent, everlasting element of its mythology: the Cortexiphan experiments conducted more than two decades ago on “37 innocent children,” including Olivia (“Olive”) Dunham. Oh, and in part because we saw the writing credits — showrunners Jeff Pinkner and J.H. Wyman plus Akiva Goldsman — we knew we probably were in for some fundamental shifts in the season’s main plot line, the search for Peter Bishop, and we sure got ‘em.