: Focus on the siblings' return to Mystic Falls and the shocking introduction of Elena's ruthless doppelgänger, Katherine Pierce. Later Seasons
But the show truly ignites with the arrival of Damon Salvatore (Ian Somerhalder), Stefan’s older, darker, and more chaotic brother. The central love triangle would become the heartbeat of the series, but the "Complete Series" label is earned by how the show expanded beyond it. The Vampire Diaries COMPLETE Series 1-8 by vlad...