The episode features several surreal musical performances, including: singing "The Low Spark of High Heeled Boys". Singing Corpses rising to provide back-up vocals.
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 Fringe subtitles English S02E20
: In Walter’s mind, Olivia is a sharp-as-nails 1940s private investigator. She is hired by Rachel (Ella's mother) to find Peter Bishop, a man who has allegedly stolen Walter’s heart. Springfield
: 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. She is hired by Rachel (Ella's mother) to
: 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
: 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