Dizi Adı: Fringe
Bölüm Adı: Reciprocity
Sezon/Bölüm: 3. Sezon 11. Bölüm
Yayın Tarihi: 28 Oca. 2011

When the Fringe Team visits Massive Dynamic’s assembly of the doomsday device, Walter becomes greatly concerned for Peter’s well-being, so he turns to Nina for added brain power to understand the relationship between Peter and the superweapon. Meanwhile, the discovery of a dead body triggers an intense investigation.