Following the recent shocking revelations and emotional events, Peter weighs his options as the Fringe team investigates a killer targeting love.While Olivia deals with the ramifications of the memories of Peter's "Olivia" subsuming her, the Fringe team investigates the deaths of two couples and discovers that a twisted killer is trying to capture love in a bottle. Fringe case file #415-32312

original airdate--March 23,2012                 ratings--2.88 million

songs "Theme song" by JJ Abrams

1. "The Friends of Mr Cairo" by Jon and Vangelis
2. "This Time It Was Really Right" by Jon Anderson
3. "White Rabbit" by Jefferson Airplane
4. "Love Is" by Jon & Vangelis

Glyph code spells--QUILL

Walters Food Fetish --M&M's

Walter calls Astrid-- Afro

Fringe Event:Forced pheromone extraction and distillation

Location: Chelsa, MA; Milton, MA;Boston Public Garden, Boston, MA