Elena Gilbert discovers that Stefan Salvatore is a vampire in Season 1, Episode 6, titled “Lost Girls” of The Vampire Diaries.
Key Moments in the Episode:
- After noticing Stefan’s strange behavior and uncovering clues about his past, Elena confronts him.
- Stefan confirms her suspicions and explains his history, including how he became a vampire and his connection to Katherine Pierce, her doppelgänger.
- This episode serves as a turning point in their relationship, as Elena struggles to come to terms with the truth about Stefan and the supernatural world.
