Videos: Blair Brown

The thrilling worlds of "Fringe"come to a mind-blowing end.

The thrilling worlds of "Fringe"come to a mind-blowing end.

The acclaimed series that has explored the human condition through the prism of parallel universes, unexplainable phenomena andunimaginable threats, reaches a milestone 100th episode and its epic and climatic conclusion. After Olivia's dangerous andotherworldly journey into the unknown, she, Peter, Walter, Astrid and Broyles face off against the Observers in one final andextraordinary battle for the fate of mankind. The five-season saga comes to an epic and emotional end in the exciting conclusion ofa special two-hour series finale episode.

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

The thrilling worlds of Fringe come to a mind-blowing end in the 100th episode and two-hour series finale as the team faces offagainst the Observers in one final battle.

The thrilling worlds of Fringe come to a mind-blowing end in the 100th episode and two-hour series finale as the team faces offagainst the Observers in one final battle.

The thrilling worlds of Fringe near the end in the first part of a two-hour series finale as Olivia embarks on a dangerous andotherworldly journey into the unknown.

The thrilling worlds of Fringe near the end in the first part of a two-hour series finale as Olivia embarks on a dangerous andotherworldly journey into the unknown.

Time to save the world is running out.

Time to save the world is running out.

Time to save the world is running out.

As time dramatically ticks down toward the end of this acclaimed series, Peter, Olivia and Walter stop at nothing to save theuniverse from Observer rule. Walter enters the infamous deprivation tank in an attempt to uncover a key piece of information aboutthe mysterious figure, Donald. Meanwhile, Captain Windmark sets out on a revealing mission of his own as long-standing questions areanswered.

Walter enters the lab's deprivation tank to uncover information about the mysterious Donald. While Windmark sets out on a revealingmission of his own.

Walter enters the lab's deprivation tank to uncover information about the mysterious Donald. While Windmark sets out on a revealingmission of his own.

As time dramatically ticks down toward the end of this acclaimed series, Peter, Olivia and Walter stop at nothing to save the universe from Observer rule. Walter enters the infamous deprivation tank in an attempt to uncover a key piece of information about the mysterious figure, Donald. Meanwhile, Captain Windmark sets out on a revealing mission of his own as long-standing questions are answered.