Watch The Vampire Diaries season 4 episode 23 online for free. In the season finale of Vamprie Diaries, Mystic Falls is overrun with ghosts intent on settling old scores and fulfilling their supernatural destinies on the Graduation Day. Damon’s life is in danger after a ghostly encounter, while Matt and Rebekah join forces to battle a ghost determined to find the cure. As everyone gathers for the graduation ceremony and the ghosts converge, help comes from an unlikely hero. Caroline receives a touching and unexpected graduation present, and Bonnieâ€™s plan leads to the closing of the veil. Elena makes a decision about the Salvatore brothers and faces an epic confrontation with Katherine. Finally, Stefan discovers a horrifying clue to the mystery surrounding Silas.