Dizi Adı: Perception
Bölüm Adı: Toxic
Sezon/Bölüm: 2. Sezon 4. Bölüm
Yayın Tarihi: 16 Tem. 2013

Pierce accepts an invitation to work on a case from a renowned environmental activist concerning a chain of abnormal neurological reactions in a group of young girls. However, upon examining the girls, Pierce discovers that a dark secret is at the root of their ailments. Meanwhile, Moretti questions Pierce’s motives in working on a case without her.