6-th episode of 5-th season "Fringe"

What "Fringe" 6-th episode about

Walter discovers that one of his tapes holds the key to defeating the Observers. To obtain it, he must travel to an abandoned apartment building where time and space are compressed. Peter, Olivia, and Astrid follow, and Peter discovers that he may be able to fight the Observers directly.

Episode number: 6

Episode name: "Through the Looking Glass and What Walter Found There"

Episode release date: 10 november 2012 at 02:00

Status: aired

Rating: 8.5