The Vampire Diaries Introduction of Klaus in the story occurred in the second season as a character who threatens
Elena Gilbert and her friends. His introduction in the show occurs in an episode named "
Klaus" where he appears in the guise of Alaric Saltzman and later reveals his true identity. Klaus seeks an end to the sun and moon curse limiting his werewolf capabilities and performs a ceremony involving the sacrifice of three individuals comprising a vampire, werewolf, and
doppelgänger (Elena). The ceremony enables him to put an end to the curse and make himself the first hybrid of vampire and werewolf. However, his werewolf capabilities are controlled by the moonstone using a coven of witches including his mother. Many years later, Klaus returns to Mystic Falls where he meets up with Katerina Petrova and her doppleganger Elena Gilbert. He uses Isobel Flemming to find Elena and sets out to break the curse by putting aside his werewolf side. Klaus manages to catch and torture Katerina, gets the moonstone, and procures the three necessary elements to break the curse a doppelganger, a werewolf, and a vampire, thereby transforming
Jenna Sommers into a vampire. While he continues to rule in Mystic Falls, Klaus forges an intriguing friendship with Caroline Forbes (
Candice King). After saving her from a werewolf's bite, he begins to woo her by inviting her to the Mikaelsons' ball and dancing with her. Although she rejects him. Klaus is then incapacitated by a desiccation spell cast by
Bonnie Bennett and is seemingly killed by Alaric Saltzman. However, a spell cast by Bonnie allows Klaus’s spirit to inhabit Tyler’s body until he is restored to his original form. In later seasons, Klaus pursues the Cure to regain the ability to create hybrids and eventually departs Mystic Falls for New Orleans, where he intends to reclaim power from Marcel Gerard. He briefly returns for Caroline’s high school graduation, saving her, Elena, and Stefan from a group of vengeful witches. As a parting gift, he permits Tyler to return to Mystic Falls, acknowledging Caroline’s love for him while hinting that he intends to be her final love. Klaus makes a brief return in the series’ 100th episode, where he and Caroline share a passionate yet final encounter. He is later referenced during flash-forwards in
season seven, with characters noting his absence from New Orleans for three years. In a crossover storyline, Stefan seeks Klaus’s assistance against Rayna Cruz, during which Klaus offers both practical support and personal comfort to Caroline following her mother’s death. Their bond is reaffirmed, though Klaus’s journey ultimately leads him back to his family in New Orleans. In the series finale, Klaus does not appear in person but sends a generous donation to Caroline to support her school for supernatural children, symbolizing his enduring respect and affection for her.
The Originals In the
first season of The Originals, Klaus Mikaelson is summoned back to the
French Quarter of
New Orleans after being drawn in by a rumor of a conspiracy against him. What he uncovers is that his former
protégé,
Marcel Gerard, has seized control of the city and the supernatural community. Klaus also learns that
Hayley Marshall, with whom he had a brief relationship, is pregnant with his child, a first-ever werewolf–vampire hybrid offspring. Despite Klaus's initial objections, he soon views the pregnancy as an opportunity for redemption and legacy. Much of the season revolves around Klaus's struggle to maintain control in New Orleans while protecting his family from witches, vampires, and humans who wish to harm them, as well as dealing with his siblings
, Elijah and Rebekah
, regarding loyalty. Klaus faces new challenges from his parents in
season two. His mother, Esther, returns in a different form and attempts to rid his children of their
vampirism, while his father, Mikael, long believed to be dead, is resurrected. Klaus also encounters his controlling aunt Dahlia, who seeks to take custody of his daughter Hope. Throughout the season, Klaus struggles to keep Hope safe from Dahlia's grasp, and his interactions with Elijah, Rebekah, and Hayley create tension. His paranoia and manipulation fuel family drama, all while he strives to fulfill his role as Hope's protector. In the
third season, Klaus grapples with a Mikaelson family prophecy predicting his death at the hands of friends, foes, or relatives. This prophecy pits him against friends and further alienates him from his siblings. “The return of Klaus's first sired vampires, Elijah, Rebekah, Tristan, Aurora, and Lucien, brings new conflicts arising from the prophecy.” During this time, Klaus's storyline with Cami O'Connell reveals a gentler side of his personality, but her eventual demise plunges him into deeper violence and despair. In
season four, Klaus is imprisoned for five years due to the events of the previous season. Upon his release, he must confront the emergence of the Hollow, a dark entity with intentions toward his daughter. Klaus teams up with his siblings to safeguard Hope, but the family discovers that the only way to defeat the Hollow is to harness its dark energy and then separate. Klaus makes the greatest sacrifice, opting to sever his bond with Hope by leaving New Orleans. The fifth and final season sees Klaus return to New Orleans after years apart from his daughter. Teenage Hope struggles with her abilities and the dangers they present. Klaus tries to reconnect with her while battling the Hollow's persistent hold, which aims to destroy their family. Ultimately, Klaus decides to sacrifice himself to break the Hollow's grip on Hope for good, with Elijah choosing to do the same. Through this act, Klaus's life concludes as a powerful hybrid and a redeemed father who found redemption through his love for his daughter.
Legacies In the first season, during Hope’s transition into becoming the tribrid, she learns from the Necromancer that Klaus’s spirit is trapped in
Limbo, unable to find peace until she completes her journey. In the episode "
Everything That Can Be Lost May Also Be Found," Rebekah and Freya tell Hope that over the past three years, they have used magic to gather Klaus’s remains throughout New Orleans, preparing a proper funeral in his honor. Kol mentions that the siblings have disagreed on how to manage the ashes, discussing the best way to commemorate him. They ultimately decide to pass Klaus’s ashes to Hope. In the
series finale, Hope takes the ashes and seeks Landon’s help to locate her father’s spirit for a final conversation to free him from Limbo. Ethan later reveals that Klaus has already found peace. With Landon’s assistance, however, Klaus sends a final message to Hope from beyond. In this message, Klaus shares wisdom drawn from his centuries of life and immortality, reaffirming his love for her. He tells her she is his greatest legacy, calling her his "always and forever" and crediting her as the reason for his peace. Afterward, Hope scatters his ashes at the Salvatore School, providing the farewell his family had long intended. == Powers and abilities ==