The Vampire Diaries Season 4 Episode 23 Extended Promo/Preview "Graduation" Season 4 Finale

"Graduation" Official Description:
WHO WILL TAKE THE CURE? — On Graduation Day, Mystic Falls is overrun with ghosts intent on settling old scores and fulfilling their supernatural destinies. Damon's (Ian Somerhalder) life is in danger after a ghostly encounter, while Matt (Zach Roerig) and Rebekah (Claire Holt) 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 (Candice Accola) receives a touching and unexpected graduation present, and Bonnie's (Kat Graham) plan leads to the closing of the veil. Elena (Nina Dobrev) makes a decision about the Salvatore brothers and faces an epic confrontation with Katherine (Nina Dobrev). Finally, Stefan (Paul Wesley) discovers a horrifying clue to the mystery surrounding Silas. Chris Grismer directed the episode written by Caroline Dries & Julie Plec (#423).