Ep 9. Black Blotter

In this episode of Fringe season 5, titled Black Blotter, Walter Bishop is struggling with a decision he made in the past. He regretfully recalls how his work during the 70s resulted in the death of an innocent woman. Now, with the hopes of making things right, he decides to revisit his old self-destructive ways by taking LSD and going on an intense existential journey.

As Walter's mind wanders through colorful and psychedelic landscapes, he manages to retrace his steps to the moment in time where he believes his mistake was made. He is on a quest to discover if he can change the past and create a better future.

Meanwhile, Olivia, Peter, and Astrid are trying to find a way to communicate with the Observers. They believe that if they can establish a line of communication, they can negotiate peace and avoid a catastrophic war. Using their advanced technology, they devise a plan to hack into the Observer's network and create a dialogue between the two sides.

As Walter's mind-altering trip continues, he begins to see the world through a different lens. He encounters strange and bizarre creatures, interacts with familiar faces in unexpected ways, and realizes that his destiny may not be set in stone. He forms a deeper connection with his son Peter and realizes that he has always been an important part of his life, even during his darkest moments.

As the team's mission to communicate with the Observers progresses, they discover that there is a traitor among them, and time is running out. They must act fast to uncover the traitor's identity and stop them before it's too late.

As Walter's journey comes to a close, he must come to terms with his past and decide if he will let it define him or if he will forge his own path. He realizes that he cannot change the past, but he can learn from it and be a better person moving forward.

In the end, the team's efforts to communicate with the Observers are successful, and they establish a line of communication. However, they also discover that the traitor was none other than Nina Sharp, a former ally. Despite this setback, the team remains determined to prevent a war and restore peace to their world.

Overall, Fringe season 5 episode 9 is a thought-provoking and visually stunning hour of television that explores the themes of regret, redemption, and the power of choice. It is a must-watch for fans of the show and anyone who enjoys science fiction with a deeper meaning.