Season 2, Episode 21 ("The Sun Also Rises"): A devastating episode featuring Klaus Mikaelson’s ritual.
Once you finish all 171 episodes of The Vampire Diaries, the story doesn't actually end. The "TVD Universe" expanded into two successful spin-off series, significantly increasing the total episode count for completionists: The Originals: 5 seasons, 92 episodes. Legacies: 4 seasons, 68 episodes. vampire diaries how many episodes
Watching one episode per day would take you nearly six months to finish. However, most fans find the cliffhangers so addictive that they fly through seasons much faster than that. Key Milestone Episodes Season 2, Episode 21 ("The Sun Also Rises"):