- Episode 10 - The Vampire Diaries Season 1

The tenth episode of The Vampire Diaries first season, titled "," originally aired on November 19, 2009. It serves as a major narrative shift, marking the first time Elena and Stefan sleep together and revealing the striking resemblance between Elena and Katherine. Key Plot Developments

After Stefan and Elena spend the night together, Elena finds a photo of Katherine Pierce in Stefan's room. Shocked by the fact that she looks identical to his ex-girlfriend, she leaves her vervain necklace behind and flees in a panic. The Vampire Diaries Season 1 - Episode 10

Alaric Saltzman intervenes when Mayor Lockwood tries to force Tyler and Jeremy to fight at a career fair. Later, Alaric confronts Logan Fell and kills him with a stake, revealing himself to be a vampire hunter. The tenth episode of The Vampire Diaries first