Damon struggles with whether to tell Elena about the cure and talks to her about what life would be like if they weren't vampires. Meanwhile, Bonnie discovers Damon betrayed her trust; and Enzo learns the truth about the day he was turned into a vampire.

Red fights for his life while the task force races to track down a mysterious figure from his past. Also: Tom provides help in an unexpected way.

Season 01, Episode 20 - "Under the Knife"

Season 13, Episode 15 - "Once Bitten"

Season 26, Episode 18 - "Peeping Mom"

Season 06 , Episode 18 - "I Could Never Love Like That"