The Vampire Diaries "Down the Rabbit Hole" Season 4 Episode 14 airs Thursday Feb 14 2013 at 8:00 PM on The CW.
Episode Synopsis: On the island, Damon (Ian Somerhalder) has an ugly run-in with a Hunter named Vaughn (guest star Bewley), and realizes he is one of The Five. Stefan (Paul Wesley) confesses his true feelings about the possibility of becoming human again to Elena (Nina Dobrev). When a stunning new piece of information about the cure is suddenly revealed, it changes the stakes for everyone. Jeremy (Steven R. McQueen) helps Bonnie (Kat Graham) recognize what is real and what is an illusion, and Shane (guest star David Alpay) is comforted by a woman from his past, Caitlin (guest star Camille Guaty, "Prison Break").