Ep 10. Grey Matters

The Fringe season 2 episode 10 is titled "Grey Matters." In this episode, the Fringe division is called in to investigate a strange phenomenon where a man's brain is liquefying. The man, who is a former patient of Dr. Bishop, also appears to be suffering from memory loss. As the Fringe team delves deeper into the case, they discover that the man's brain matter is being extracted by someone else.

The team is led to a mental hospital where they meet a former patient of the hospital who happens to have a connection to Dr. Bishop, and the team realizes that the hospital is the common thread between the two cases. The team continues to investigate and discovers that a former colleague of Walter Bishop's is behind the brain extractions and memory loss.

Walter struggles with the realization that he had worked with the man responsible for the current case, and the Fringe team must find a way to stop the nefarious plan before it's too late. The team uncovers a link between the former colleague and someone close to Agent Dunham, which puts her in danger.

As the Fringe team races against time, Walter must confront his past mistakes and come to terms with the consequences of his past actions. The team eventually unravels the mystery and puts a stop to the brain extractions, but not before uncovering a devastating revelation that strikes at the heart of the Fringe team.

"Grey Matters" is a gripping episode that keeps the audience guessing until the very end. The exploration of Walter's past adds depth to the episode and the characters, while the sci-fi elements keep the excitement high. This episode is a standout in the Fringe series and a must-watch for fans of the show.