: Walter's version of the story ends tragically, with Peter leaving him forever—mirroring Walter's fear that the real Peter will never forgive him for his past actions.
In the episode (Season 2, Episode 20), the usual high-stakes sci-fi of Fringe transforms into a drug-induced noir musical told through the eyes of a grieving Walter Bishop. The Tale of the Glass Heart Fringe subtitles English S02E20
(known as Esther in the story) and Olivia also join in the musical numbers. : Walter's version of the story ends tragically,
: Walter is a master inventor who claims to have created the world’s "good things"—bubblegum, hugs, and rainbows. However, he is physically dying, kept alive only by a chest full of batteries. : Walter is a master inventor who claims
: When Olivia finally tracks Peter down, she discovers the truth: the "glass heart" was Peter’s all along. He had donated it to Walter out of love, but took it back after discovering Walter’s inventions were fueled by nightmares stolen from children. A Reflection of Reality
: In the noir world, they are "The Watchers," ominous figures with rayguns that "burn through flesh".
For a deep dive into the script or specific lines, you can view the full transcript on Springfield! Springfield! . TV Review: Fringe, Season 2, Episode 20: Brown Betty