The Vampire Diaries season 8, episode 10, "Nostalgia's a Bitch" (2017), directed by Ian Somerhalder, features Caroline and Bonnie entering Damon’s subconscious to save him from a catatonic state induced by Sybil. The episode focuses on redemption as Stefan helps Damon break free, allowing them to stop the ringing of the Founders Bell and prevent the destruction of Mystic Falls. Detailed summaries of this episode are available at The Vampire Diaries Wiki . The Vampire Diaries recap: Season 8, Episode 10