Season 3 , Episode 18 – “The Murder of One”
Damon and Stefan focus on a plan to destroy Klaus. Meanwhile, Klaus threatens someone close to Bonnie in order to force her to conduct a spell for him.

Tyler returns to Mystic Falls and soon suspects that something has been going on between Caroline and Klaus. Meanwhile, Elena and Damon visit Jeremy in Denver and learn that he is hanging with the wrong crowd.

Season 3 , Episode 20 – “Do Not Go Gentle”
The school holds a 1920s-themed dance, and Caroline goads Elena into asking Stefan to accompany her. Meanwhile, Bonnie invites Jamie to the dance; Klaus tries to derail Tyler’s plans for Caroline; and Damon and Stefan need help undoing a perilous spell.

Season 3 , Episode 20 – “Do Not Go Gentle”
The school holds a 1920s-themed dance, and Caroline goads Elena into asking Stefan to accompany her. Meanwhile, Bonnie invites Jamie to the dance; Klaus tries to derail Tyler’s plans for Caroline; and Damon and Stefan need help undoing a perilous spell.

Season 3 , Episode 20 – “Do Not Go Gentle”
The school holds a 1920s-themed dance, and Caroline goads Elena into asking Stefan to accompany her. Meanwhile, Bonnie invites Jamie to the dance; Klaus tries to derail Tyler’s plans for Caroline; and Damon and Stefan need help undoing a perilous spell.

Season 3 , Episode 21 – “Before Sunset”
Klaus tries to leave town with Elena, but he encounters resistance from a new enemy. Meanwhile, Bonnie gets Abby to help her with a difficult and dangerous spell.

Season 3 , Episode 22 – “The Departed”
The third season concludes with Elena wishing she could go back to simpler times when her parents were alive. Meanwhile, Stefan and Damon leave Mystic Falls on a mission; and Caroline and Tyler are forced to make a life-altering decision.

Season 4, Episode 4: The Five
Elena and Damon attend a fraternity costume party, and he gives her a lesson in choosing a victim. Meanwhile, Rebekah tries to buy Matt’s forgiveness; and Klaus reveals a 12th-century encounter with a powerful group of vampire hunters.

Season 4, Episode 4: The Five
Elena and Damon attend a fraternity costume party, and he gives her a lesson in choosing a victim. Meanwhile, Rebekah tries to buy Matt’s forgiveness; and Klaus reveals a 12th-century encounter with a powerful group of vampire hunters.

Season 4, Episode 4: The Five
Elena and Damon attend a fraternity costume party, and he gives her a lesson in choosing a victim. Meanwhile, Rebekah tries to buy Matt’s forgiveness; and Klaus reveals a 12th-century encounter with a powerful group of vampire hunters.

Episode Name: Down the Rabbit Hole
On the island, Damon has an ugly run-in with a Hunter named Vaughn, and realizes he is one of The Five. Stefan confesses his true feelings about the possibility of becoming human again to Elena. When a stunning new piece of information about the cure is suddenly revealed, it changes the stakes for everyone. Jeremy helps Bonnie recognize what is real and what is an illusion, and Shane is comforted by a woman from his past, Caitlin. Back in Mystic Falls, Caroline and Tyler find that their attempt to translate the code on the Hunter’s Sword is futile without help from Klaus, who has his own reasons for solving the puzzle.

Episode Name: Bring it On
Elena’s new outlook has everyone concerned, leading Stefan and Damon to agree that going back to the normal routine of high school would be the best thing for her. Caroline is pleasantly surprised when Elena decides to rejoin the cheerleading squad, but her pleasure turns to shock when Elena’s behavior proves dangerous. Not giving up on their search for the cure, Damon and Rebekah work together until his unwanted advice catches her off-guard. Klaus tries to use Hayley to get the information he’s after and makes an intriguing discovery in the process. Meanwhile, a bored Elena throws a wild party and gets into an ugly fight.

Episode Name: Bring it On
Elena’s new outlook has everyone concerned, leading Stefan and Damon to agree that going back to the normal routine of high school would be the best thing for her. Caroline is pleasantly surprised when Elena decides to rejoin the cheerleading squad, but her pleasure turns to shock when Elena’s behavior proves dangerous. Not giving up on their search for the cure, Damon and Rebekah work together until his unwanted advice catches her off-guard. Klaus tries to use Hayley to get the information he’s after and makes an intriguing discovery in the process. Meanwhile, a bored Elena throws a wild party and gets into an ugly fight.

Episode Name: Because the Night
Realizing that Elena needs some time away from Mystic Falls, Damon takes her to New York City, where he lived and partied hard in the 1970s. When Rebekah also shows up in New York, shes impressed with Elenas secret agenda. Flashbacks reveal Damons hedonistic life in the underground club scene and a complicated encounter with Lexi. Meanwhile, Caroline and Stefan try to convince Klaus that it would be in his own best interest to help them track Silas down, and Bonnie struggles to keep her grasp on reality and do the right thing.

Episode Name: Because the Night
Realizing that Elena needs some time away from Mystic Falls, Damon takes her to New York City, where he lived and partied hard in the 1970s. When Rebekah also shows up in New York, shes impressed with Elenas secret agenda. Flashbacks reveal Damons hedonistic life in the underground club scene and a complicated encounter with Lexi. Meanwhile, Caroline and Stefan try to convince Klaus that it would be in his own best interest to help them track Silas down, and Bonnie struggles to keep her grasp on reality and do the right thing.

Episode Name: Because the Night
Realizing that Elena needs some time away from Mystic Falls, Damon takes her to New York City, where he lived and partied hard in the 1970s. When Rebekah also shows up in New York, shes impressed with Elenas secret agenda. Flashbacks reveal Damons hedonistic life in the underground club scene and a complicated encounter with Lexi. Meanwhile, Caroline and Stefan try to convince Klaus that it would be in his own best interest to help them track Silas down, and Bonnie struggles to keep her grasp on reality and do the right thing.

Episode Name: Because the Night

Episode Name: American Gothic
Elena meets Elijah when she searches for Katherine in a small Pennsylvania town. Meanwhile, Stefan reveals his surprising plan for the future; and Klaus gains a new appreciation for Silas powers.

Elena meets Elijah when she searches for Katherine in a small Pennsylvania town. Meanwhile, Stefan reveals his surprising plan for the future; and Klaus gains a new appreciation for Silas powers.

Acting on a mysterious tip that a plot is brewing against him in New Orleans, Klaus makes a trip to the town he and his family helped build. Klaus questions lead him to a reunion with his former protege, Marcel, a charismatic vampire who has total control over the human and supernatural inhabitants of New Orleans. Determined to help his brother find redemption, Elijah follows Klaus and soon learns that Hayley has also come to the French Quarter searching for clues to her family history, and has fallen into the hands of a powerful witch named Sophie. Meanwhile, in Mystic Falls, Damon and Stefan continue with their plan for Elena, while Katherine reveals a surprising vulnerability to Rebekah and asks her to deliver a message.