Angel_4x05 | 2026 Release |

"Supersymmetry" (Season 4, Episode 5) follows Fred as she confronts her former mentor for banishing her to a hell dimension, leading to a dark turn when Gunn kills the professor to protect her from becoming a murderer. The episode acts as a major catalyst for the degradation of Fred and Gunn's relationship due to shared guilt, while Wesley assists in the revenge plot. For more details, visit Buffyverse Wiki .