Vampire Diaries Spoiler Photos For Season 4, Episode 6: “We All Go a Little Mad Sometimes”

Terrifying hallucinations leave Elena shaken and confused, causing her to make a dangerous mistake. After giving Stefan some very disturbing news about Elena, Klaus takes matters into his own hands. Professor Shane (guest star David Alpay) reveals a story of ancient witchcraft to Damon and Bonnie. With help from Stefan and Klaus, Jeremy begins a new chapter in his life. Finally, Elena makes a painful personal confession to Stefan, and Matt gives Damon startling new information about Professor Shane.

Original Air Date: November 15, 2012 at 8 p.m. on The CW!