Nikita's takes control of Section One and says good-bye to Michael.
The Collective kidnaps Adam in an attempt to force Michael to hand over Mr. Jones, prompting heroics by Operations.
Nikita's relationship with Mr. Jones leads Operations to try and kill her.
Nikita encounters her father who reveals the reason for her recruitment.
Mr. Jones resurrects his Mick Schtoppel persona; Nikita learns secrets of her original recruitment.
Nikita begins to suffer long-term effects of the Gelman mind-control process.
Nikita uncovers clues about her original recruitment; Madeline suddenly reappears.
Nikita must return to Section One and is paired with a new partner.
Center arrives to evaluate the performance of Section One.
Madeline's job is threatened after Nikita escapes from Section One.
Nikita's escape from Section One leads Michael on an investigation.
Nikita infiltrates a mental hospital to secure information on a deadly toxin.
A man rescues injured Nikita then keeps her locked in his cellar.
Section One and a resurgent Red Cell are forced to work together.
Michael and Nikita go under cover to retrieve a fallen satellite.
Birkoff creates an artificial intelligence program to assist Section One.
George declares war on Section One.
Defiant Michael protects Elena and Adam.
Madeline gets involved with Leon and attempts to escape from Section with him.
Michael and Nikita are assigned to train recruits for a dangerous mission.
An operative from another section is assigned to oversee Section One.
A virus causes each of the agents to succumb to violent flashbacks.
Nikita is released into the real world with stipulations.
Nikita and Michael must help protect the man who saved Operations' life in Vietnam.
The assignment becomes more complicated when Nikita accepts Helmut's proposal.
Michael and Nikita go under cover as drug dealers to capture a criminal.
Nikita resists Michael's attempts to deprogram her.
A person from Section's past returns to help Michael free Nikita.
After eluding cancellation, Michael plays cat and mouse with Section One.
Michael's attempts to undo Nikita's brainwashing jeopardize him.
Operations and Madeline punish Nikita and Michael for their defiance.
Michael and Nikita are observed on a secret rendezvous.
Nikita oversees Greg Hillinger on his first section mission.
Birkoff investigates a terrorist cult specializing in computer hacking.
Michael and Nikita are ordered to cease their personal relationship.
Michael and Nikita's relationship suffers when Michael is placed in command of Section One.
A Glass Curtain terrorist reveals the location of Section One.
Section recruits a dying woman to perform a deadly mission.
Nikita and Michael go under cover; Nikita is forced to fight to the death.
Michael and Nikita escape Section together.
Nikita is put on trial when a fellow operative accuses her of treason.
Nikita learns that her mother is looking for her.
Nikita poses as a terrorist's fiance when he loses his memory.
Michael wrests control of Section One before Nikita, Walter and Birkoff can lead a mutiny.
Nikita suspects her entrance into Section One may have been planned.
An old enemy plots while Nikita and Michael tryst.
Madeline tries to drive Operations' ex-wife insane.
Nikita must stop a terrorist who involves children in suicide bombings.
Permanently cut off from his wife and son, Michael loses the will to live.
Section wants Michael to poison his wife in order to trap her father.
Nikita poses as a long-lost relative to help Michael capture his terrorist father-in-law.
Seeing Nikita as a threat, Operations seeks to eliminate her; Nikita investigates Michael's absence and learns of a secret life.
Section One discovers Nikita's betrayal.
Section One's founder recruits Nikita to destroy it.
A terrorist's confidant claims to be a section operative long thought dead.
A computer capable of independent thought heads a terrorist organization.
Michael's romancing of a new profiler upsets Nikita.
A killer virus is accidentally unleashed inside Section One.
A serial killer forges documents for suicide bombers.
A mathematician hired to break a code becomes a loose cannon.
Michael and Nikita go on a mission with a former terrorist hit-man.
Michael suffers from memory loss after terrorists capture and interrogate him.
Nikita befriends a pregnant agent who jeopardizes missions.
Nikita and Michael pose as a married couple to obtain information.
As team leader for the first time, Nikita must capture a dealer of spent nuclear-fuel rods.
Nikita goes to prison to learn the identity of Red Cell's human time bomb.
To save two children, Nikita misses an easy hit and must follow her prey into a Balkan death camp.
Michael knows more than he should about a schoolyard bombing.
Michael's mission to assassinate an arms supplier is compromised.
With Operations on the verge of death, Petrosian takes over and promotes Nikita.
Nikita's fascination with Jurgen puts them both in danger.
A terrorist threat hastens Nikita's return to operative status; Michael and Jurgen come to blows.
Nikita is reassigned to special operative Jurgen for debriefing.
Section One learns Nikita is alive and on the run.
Nikita is sent on a suicide mission after she refuses to follow Section One orders.
Nikita must defuse a hostage situation to prevent the outbreak of war in a European nation.
While testing a virtual-reality device, Nikita is brainwashed into performing an assassination.
A serial rapist and killer may go free if Nikita keeps her mission a secret.
Nikita must foil a group's plot to sell missile plans to a terrorist.
An enemy organization plots to kill Section One operatives.
Section One considers killing a man whose fear nearly causes operatives to be killed.
Michael seduces an assassin's girlfriend to locate threatening documents.
Madeline foils a terrorist plot to contaminate the water supply.
Nikita evaluates a new trainee.
Section One must depend on a deliveryman to locate a live nuclear warhead.
Section One must return to an operation site and rescue wounded Michael.
Nikita's affair with Gray Wellman threatens Section One's ability to capture a drug lord.
A civilian may inadvertently possess a stolen directory of Section One agents.
Nikita has a chance to escape but may stay to be near Michael.
Nikita tracks a traitor in the organization.
'Married mercenaries' Michael and Nikita go after a chemical weapons smuggler.
Nikita poses as a woman's long-lost daughter to obtain a nuclear device.
Nikita dates a handsome man with a terrible secret.
Infiltrator Nikita finds Michael's long-lost wife held hostage by high-tech terrorists.
A childhood friend betrays Nikita.
Nikita, a convicted murderer, is turned into an anti-terrorist operative against her will.