The fifth and final season delivers a climactic conclusion. Picking up from events depicted in season four's flash-forward episode, the seemingly peaceful Observers seized control of our universe in 2015. Now, in 2036, they have become ruthless rulers who stand unopposed. What awaits in the future, however, is the Fringe Team's final stand, which will bring together all they have witnessed in preparation for the final battle to protect our world.

Katie and Micah are a young middle class couple who are engaged to be married. After moving into a suburban 'starter' house in San Diego, California, they begin hearing noises while trying to sleep. Not knowing if the presence is demonic or not, they attempt communicating through a Ouija board, angering the spirit further. Now they may never sleep again, or they may never wake up!

Who are you? After sacrificing himself to save both worlds, Peter mysteriously returns to ours. But he has been forgotten, by Olivia, by Walter, by everyone. It's as if he never existed. At the same time, shapeshifters controlled by an unknown master begin an onslaught of destruction, and now the two former enemy universes must cooperate to defy a common foe. Fringe's thrilling 22-episode fourth season continues the inspired series' synthesis of astounding...

Two FBI agents, Fox Mulder the believer and Dana Scully the skeptic investigate the strange and unexplained while hidden forces work to impede their efforts.