Ep 21. The Last Sam Weiss

In episode 21 of Fringe season 3, The Last Sam Weiss, Olivia continues to try and regain control of her mind and body after being replaced by her doppelganger from the alternate universe. Meanwhile, Peter and Walter seek the help of Sam Weiss, a man who has knowledge of a powerful technology that could possibly help them in their fight against the alternate universe and its destructive influence.

As they try to uncover the truth about this mysterious device, Olivia comes face to face with her past and is forced to confront some painful memories. Along the way, the team also encounters a group of zealous believers who worship Sam Weiss and believe he has the power to change the future.

In their quest for answers, Olivia, Peter, and Walter are pushed to their limits as they face impossible odds and unexpected revelations. With time running out, they must rely on their instincts and each other to uncover the truth about Sam Weiss and the device that could determine the fate of both universes.

The Last Sam Weiss is a thrilling episode that explores the themes of destiny, redemption, and sacrifice, while also showcasing the dynamic relationships between the show's main characters. With stunning visuals and intense action sequences, this episode is sure to leave fans on the edge of their seats as the series gears up for its epic finale.