Sean attacks Nikita and Michael in order to protect his mother. Meanwhile, Percy threatens to destroy Division unless Amanda releases him.

Alex infiltrates her childhood home and faces ghosts from her past. Meanwhile, Nikita tries to steal Semak's black box and accidentally runs into Alex; and Michael attempts to uncover Percy's secret plan with the Guardia...

With Michael (Shane West) out of town, Nikita (Maggie Q) turns to Owen (guest star Devon Sawa) to help her track down and steal another black box from a Guardian. Unfortunately, she discovers that Owen is working for an ...

Nikita steals Oversight money to force a meeting where she and Birkhoff can identify its members, but Birkhoff is captured and tortured when he refuses to reveal where Nikita is hiding. Meanwhile, Alex finds a way to get...

Cassandra is in danger when Tupelov accuses her of stealing millions and threatens to kill her, and Michael rushes off to rescue her; and Alex receives an offer from Percy that could give her the ability to get rid of Se...

Ryan has secrets to give Nikita regarding how Oversight is funded, but Amanda intercepts the messages between Ryan and Nikita, and Nikita and Michael race to get Ryan out of prison. Meanwhile, Alex runs into someone from...

Birkoff finds Nikita's birth certificate, and Michael and Nikita find Nikita's father, but it's not the reunion she had hoped for; and Percy reveals to Alex that the black box Nikita has holds secrets that could help her...

Michael discovers Cassandra, a woman he once romanced under Division orders, is in danger. Feeling guilty for how things ended, he wants to help her but Nikita (Maggie Q) suspects there is more to it than easing his cons...

Nikita is stunned when she hears that her old Division partner Kelly (guest star Katheryn Winnick) escaped from a Turkish prison. Nikita thought Kelly died years ago and always felt responsible because it happened on the...

The Black Box secrets reveal that a terrorist whom Nikita captured years ago has been working for Division; and Nikita foils Amanda's plan of getting Alex to carry out an assassination.

Nikita and Michael probe a corrupt Division program and reunite with Owen, who is looking for Dr. Mars (John Ralston), the program's mastermind. Mars also created the Regimen drug that has taken control of Owen, and he h...

Nikita and Michael plot to take down Division and Oversight and are prepared to use the contents of the black box to do so.

In the Season 1 finale, Percy makes his final attempt to take control of the CIA. Meanwhile, Alex goes rogue, and Nikita's life is in danger, but Michael can't save her because he's trapped in Division.

Nikita kidnaps a CIA cryptographer capable of decrypting the black boxes in order to protect him. Meanwhile, Percy goes after Alex

A black-box guardian's life is in danger after Michael discovers she has neglected her duty in favor of having a family. Elsewhere, Nathan is stuck in the middle of an argument between Alex and Jaden

Nikita fears for Alex's safety and concocts a plan for her to leave Division. But before the pair can act, Alex is sent on a mission to prevent a foreign president's son from distributing a new nerve toxin

Nikita goes to London with Owen, who has information about one of Percy's black boxes; Percy orders Michael to kill Nikita; Amanda makes Alex submit to a lie detector test.

Michael confronts Nikita and threatens to reveal a secret if she doesn't find the person who killed his family.

Amanda sedates Alex and interrogates her; Nikita tries to help Alex but is double-crossed; Michael asks Birkhoff to investigate Alex.

While on a mission, Alex runs into a person from her past; after Alex gets into trouble, Nikita tries to help.

Nikita reluctantly assumes a past alter ego to stop a dangerous new weapon from coming into the U.S.; Alex's new life is interfered with.

Alex and Nikita plot to derail Alex's first mission, the assassination of the Prince of Georgia; Nikita puts her trust in the wrong person causing Division to be alerted to her whereabouts.

Alex, now an agent, moves into a new apartment and receives a cover job; Ryan is stunned when Nikita reveals a secret.

Alex is uneasy when she is asked to kill the leader of a crime syndicate; Birkhoff discovers the program a Division mole has been using to connect with Nikita.

Owen and Nikita try to help a CIA agent after he is framed for an assassination in Chile; Alex sees a new side of Percy.

Michael and Nikita work together to kill a terrorist who murdered Michael's family; Alex tries to cover when she is caught going through medical files.

Thom is asked to eliminate Anna, a woman who was having an affair with a U.S. senator; Alex helps Nikita reach out to Anna's parents.

Alex informs Nikita that one of the recruits has been activated to carry out a suicide mission.

Terrorists attack a bus full of Division recruits and kidnap Alex and Thom; after Nikita earns his trust, Owen reveals devastating news about her fiance.

Division's secrets are at risk of being revealed when an operative (Devon Sawa) becomes a fugitive after escaping from a bank robbery; Alex sneaks into Percy's office and is busted.

Michael helps Nikita during a mission; Alex has a panic attack during basic training.

Nikita rescues a journalist trying to expose a conspiracy; Michael and Percy suspect Birkhoff is Nikita's mole; Jaden, Alex and Thom help Michael find his latest target.

Nikita tries to interfere with Division's protective custody of a Slavic leader wanted for war crimes, but is thwarted by a band of mercenaries with the same objective. Meanwhile, Alex is activated ahead of schedule.

A spy returns to exact revenge on the clandestine agency that betrayed her after training her to be an assassin. In the pilot episode, Nikita (Maggie Q) emerges from three years of hiding to send a message to her former ...