THE ORIGINALS

In the season premiere, Klaus learns that an old vampire friend named Lucien (ANDREW LEES) has arrived in New Orleans with a mysterious agenda involving the Mikaelson's sire lines.

Elijah and Jackson (NATHAN PARSONS) are concerned when Hayley fails to show up during the full moon. Lucien (ANDREW LEES) delivers an unsettling warning about the war brewing.

Cami is caught off-guard when she finds herself face to face with Lucien (ANDREW LEES) and is surprised when he reveals some unexpected information about his past with Klaus.

Elijah considers attending a gala thrown by a mysterious group of ancient vampires known as the Strix, which Hayley invites herself to attend with him.

As the war among the sire lines continues, Klaus receives an unexpected visit by a figure from his past. Davina struggles with her role as Regent and seeks advice from Hayley.

Klaus tries to figure out where Aurora's (REBECCA BREEDS) loyalties lie. A dangerous run-in with a member of the Strix leads Hayley and Marcel to make an unsettling discovery.

Klaus and Elijah invite Lucien (ANDREW LEES), Tristan (OLIVER AUCKLAND) and Aurora (REBECCA BREEDS) to a Thanksgiving gathering in an attempt to negotiate a truce.

After learning that Cami's life is in danger, Klaus is forced to engage in one of Aurora's (REBECCA BREEDS) devious games and follow a series of clues she's left behind for him.

Klaus keeps a watchful eye on Cami. Hayley's attempt at a quiet Christmas with Jackson (NATHAN PARSONS) and Hope results in an unexpected surprise. Vincent reevaluates a decision.

Vincent, in his newly resumed role as Regent, is forced to use magic against his will. Klaus, Elijah and Freya enact a risky plan that leads to a tense showdown with the Strix.

Elijah reluctantly aligns with Aya (TRACY IFEACHOR). Meanwhile, a desperate Davina is approached with an offer that could bring her closer to reuniting with Kol.

When a powerful weapon that could take down the Mikaelsons for good ends up in the wrong hands, Klaus finds himself in a tense standoff with an unlikely foe.

Aurora (REBECCA BREEDS) uses Freya as bait to lure Klaus and Elijah into a dangerous trap. Davina finds a way to conjure up Kol (NATHANIEL BUZOLIC).

Freya enlists the help of Stefan Salvatore (PAUL WESLEY - The Vampire Diaries), an old friend of Klaus', whose unexpected arrival may be the key to his and Elijah's survival.

When Klaus learns that Cortez (MATT CEDENO), an old vampire with a vendetta against him, has arrived in New Orleans, he finds himself forced to deal with this new threat.

Tensions inside the compound build as Kol (NATHANIEL BUZOLIC) comes face to face with his brother Finn (CASPER ZAFER). Klaus and Hayley seek shelter with her former pack.

Elijah and Finn (CASPER ZAFER) travel to Mystic Falls where they run into Deputy Matt Donovan (ZACH ROERIG ��� The Vampire Diaries), who doesn't like new vampires in his town.

During Jazz Fest, an unlikely team of Mikaelson foes take Klaus hostage. Davina turns to Marcel and Vincent for help when Kol's (NATHANIEL BUZOLIC) erratic behavior worsens.

Hayley and Elijah travel to the bayou in hopes of getting a potential antidote to save Cami's life. Davina confronts Lucien (ANDREW LEES) and learns some heartbreaking information.

An unexpected showdown between Klaus and Lucien (ANDREW LEES) forces Freya to take matters into her own hands, setting off a life-changing chain of events.

With the help of Detective Kinney (JASON DOHRING), Vincent and Kol (NATHANIEL BUZOLIC) travel to the ancestral world to put a stop to the witches.

In the season finale, after months of thwarting off deadly attacks, the Mikaelson siblings finally come face to face with the one person who could lead to their ultimate demise.