Joseph Morgan

Damon and Stefan try a brutal new approach to provoke Elena into turning her humanity back on, and Caroline is frustrated when her attempt to intervene backfires. Also available on Xfinity, CW, Amazon Instant Video and VUDU

Klaus returns to his past in New Orleans and meets with his former protégé, Marcel, a charismatic vampire with control over the city's inhabitants. Also available on Xfinity, CW, Amazon Instant Video and VUDU

When Caroline's plans for the perfect Senior Prom night are disrupted by Elena, she turns to an amused Klaus for a solution. Bonnie makes a terrifying discovery. Also available on Xfinity, CW, iTunes, Amazon Instant Video and VUDU

Elena and Rebekah (recurring guest star CLAIRE HOLT) take off in search of Katherine and find themselves in a small town in Pennsylvania, where Elena has a surprising encounter with another old acquaintance: Elijah (recurring guest star DANIEL GILLIES). Stefan and Damon are both concerned about Elena's state of mind and are determined to do what's best for her, but she makes it clear that helping her will be difficult. Damon is not sure how to react when Stefan reveals his unexpected plan for the future. Meanwhile, in Mystic Falls, Klaus receives Caroline's reluctant help and comes to a new understanding of Silas' powers. Also available on Amazon Instant Video and VUDU

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 (recurring guest star CLAIRE HOLT) also shows up in New York, she's impressed with Elena's secret agenda. Flashbacks reveal Damon's hedonistic life in the underground club scene and a complicated encounter with Lexi (recurring guest star ARIELLE KEBBEL). 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. The band DEAD SARA performs. Also available on Amazon Instant Video and VUDU

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 (recurring guest star CLAIRE HOLT) work together until his unwanted advice catches her off-guard. Klaus tries to use Hayley (recurring guest star PHOEBE TONKIN) 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. Also available on Amazon Instant Video and VUDU

On the island, Damon has an ugly run-in with a Hunter named Vaughn (recurring guest star CHARLIE BEWLEY – The Twilight Saga), 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 (recurring guest star DAVID ALPAY) is comforted by a woman from his past,Caitlin (guest star CAMILLE GUATY – Prison Break). 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. Also available on Amazon Instant Video and VUDU

Shane leads an expedition to a desolate island off the coast of Nova Scotia, where he believes the secret of the cure lies hidden. Also available on Xfinity, iTunes, Amazon Instant Video and VUDU

When Rebekah (recurring guest star CLAIRE HOLT) turns down Klaus' plea to stop Kol (recurring guest star NATHANIEL BUZOLIC) and protect Jeremy, Klaus turns to Stefan for help. After an angry confrontation with her father, Mayor Hopkins (recurring guest star RICK WORTHY), over his unconventional approach to ending the violence in Mystic Falls, Bonnie has a frightening run-in with Kol,followed by an unexpected visitor. Klaus complicates the already tense feelings between Stefan and Damon by revealing a bit of Stefan's personal life, then surprises Damon by asking for personal advice. Elena tells Stefan about her dangerous plan for Jeremy,leaving Stefan in a difficult spot. When the 1980s Decade Dance at the high school is cancelled by Mayor Hopkins, Stefan finds a charming way to make it up to a disappointed Rebekah. Also available on Amazon Instant Video and VUDU

Appearing unexpectedly at Mystic Falls High, Rebekah (recurring guest star CLAIRE HOLT) wastes no time trying to force Stefan, Elena and Caroline to answer her questions about the search for a cure, leading to a bombshell piece of information from Elena. When Bonnie's father, Rudy Hopkins (recurring guest star RICK WORTHY – Supernatural), accepts the role of Interim Mayor, he makes it a priority to protect his daughter, who isn't at all comfortable with the role he suddenly wants to play in her life. Professor Shane(recurring guest star DAVID ALPAY) continues to encourage Bonnie to believe in her powers, but he soon finds himself in danger when he reveals too much to the wrong person. Later, Caroline does her best to comfort Tyler after a violent confrontation. Meanwhile, at the lake house, Damon and Matt train Jeremy, trying to raise his game as a hunter, but Klaus is impatient with their progress and intervenes to speed up the process. Also available on Amazon Instant Video and VUDU

As a Winter Wonderland–themed party fills the streets of Mystic Falls, Stefan and Caroline find themselves at odds with Tyler over his plans for Klaus and his hybrids. When Caroline proposes a solution to their problem, Hayley (recurring guest star PHOEBE TONKIN)finds a dramatic way to make it clear that she is not on board. Later, Klaus makes a discovery that leads to chaos and violence.Meanwhile, Elena and Damon retreat to the Gilbert lake house to help Jeremy conquer some dangerous inner demons with the help of Bonnie and Professor Shane (recurring guest star DAVID ALPAY), who reveals a piece of ancient history that leaves them all speechless. Also available on Amazon Instant Video