Take a look @ footage, images and synopsis from "The Vampire Diaries" episode "Nostalgia's A Bitch", written by Brett Matthews and directed by Kellie Cyrus, that aired January 27, 2017 on The CW:
"...'Sybil' (Nathalie Kelley) enacts revenge on 'Damon' (Ian Somerhalder) by putting him in a catatonic state.
"'Caroline' (Candice King) and 'Bonnie' (Kat Graham) enter Damon's mind and run into familiar faces from the past, only to discover 'Stefan' (Paul Wesley) is the key to Damon's fate.
"It's a race against time for the bell as both Sybil and her sister 'Seline' (Kristen Gutoskie) jockey for its control..."
Click the images to enlarge and Sneak Peek "The Vampire Diaries: Nostalgia's A Bitch"...