Fringe (2008)

S3E11 Reciprocity

During the Fringe Team's visit to Massive Dynamic's assembly of a doomsday device, Walter grows increasingly worried about Peter's safety. Seeking assistance, he enlists Nina's expertise to decipher the connection between Peter and the powerful weapon. At the same time, the team becomes embroiled in a gripping investigation following the discovery of a lifeless body, leading them to unravel deeper mysteries.