The Vampire Diaries - Season 3 - Eps 4: Disturbing Behavior
Still in Chicago, Klaus uses Gloria, a witch he knew long ago, to help him track down missing information that will explain why his plan isn’t working. Gloria’s spells reveal intriguing glimpses of the truth, but she soon realizes she needs Stefan’s knowledge to complete the puzzle. When Stefan suddenly finds himself in danger, help comes from a surprising ally. Back in Mystic Falls, a frustrating new enemy pushes Damon over the brink and he lashes out in a way that will have lasting consequences. Caroline struggles with her own emotional issues, even as she tries to help Elena face her feelings. Jeremy makes a brief but disturbing breakthrough with one of his ghostly visitors, leaving him more confused than ever. Finally, Bonnie has a strange encounter that will affect everyone.
About The Vampire Diaries

Title: The Vampire Diaries
First Air Date: 2009-09-10
Last Air Date: 2017-03-10
Status: Ended
Rating: 8.318/10 (from 9160 votes)
Language: EN
Seasons: 9
Total Episodes: 171
Network: The CW
Genres: Drama, Sci-Fi & Fantasy
Production Companies: Warner Bros. Television, Alloy Entertainment, Outerbanks Entertainment, Bonanza Productions, CBS Studios
Synopsis
The story of two vampire brothers obsessed with the same girl, who bears a striking resemblance to the beautiful but ruthless vampire they knew and loved in 1864.
Cast

Paul Wesley
Stefan Salvatore

Ian Somerhalder
Damon Salvatore

Kat Graham
Bonnie Bennett

Candice King
Caroline Forbes

Zach Roerig
Matt Donovan

Michael Malarkey
Enzo St. John

Matthew Davis
Alaric Saltzman