S5, E12: The acclaimed series that has explored the human condition through the prism of parallel universes, unexplainable phenomena and unimaginable threats, nears its epic and climatic conclusion. First, the Fringe team engages a desperate plan as Olivia embarks on a dangerous and otherworldly journey into the unknown. The five-season saga nears its epic and emotional end in the first part of a special two-hour series finale episode.