Buffy's scariest episode turns Sarah Michelle Gellar into the monster

The Buffy the Vampire Slayer episode "Normal Again" is considered one of the scariest episodes of the series. In this episode, Buffy is struck by a demon's venom, causing her to question the reality of her world. She begins to believe that her life as a Slayer is just a delusion, and that she is actually a patient in a mental institution. The episode explores Buffy's mental state and the fragility of her reality, creating a unsettling and suspenseful atmosphere. Sarah Michelle Gellar's performance as Buffy is praised for its emotional depth and complexity, as she navigates the uncertainty of her own identity. The episode's twist ending leaves the audience questioning what is real, adding to the episode's haunting and unsettling nature. "Normal Again" is considered a standout in the Buffy the Vampire Slayer series, highlighting the show's ability to blend genre elements with psychological horror.