Nikita Season 2 Episode 13 - Nikita must choose between saving Oversight hostages or taking down the Guardians. And Sean needs Nikita, Michael and Alex to save his mother, who's also being held by Percy.
Nikita Season 2 Episode 15 - Carla recalls the night Nikita was arrested, which leads Nikita to some surprising conclusions. Meanwhile, Alex announces at a Zetrov press conference that she is Alexandra Udinov.
Nikita Season 2 Episode 17 - Michael learns a secret that Cassandra kept from him, so he and Nikita travel to Moscow to confront her. Meanwhile, Alex makes one last attempt to find her mother by sending out a coded message through a TV interview.
Nikita Season 2 Episode 20 - Nikita (Maggie Q) convinces a reluctant Birkhoff (Aaron Stanford) to use 20 million dollars of his own money in a plan to bankrupt Percy (Xander Berkeley) and Division, but when Percy ends up stealing Birkhoff's entire life savings, Birkhoff and Nikita clash. Team Nikita has one last chance to hit Percy again, but Birkhoff is arrested trying to regain his millions and Nikita realizes she must break him out of jail before Division gets to him.
Nikita Season 2 Episode 22 - PERCY THREATENS THE PRESIDENT OF THE UNITED STATES - Percy calls the President the United States (guest star Cameron Daddo) and threatens to set off a nuclear explosion unless his demands are met. Birkhoff finds two scientists who could help stop Percy's new nuclear satellite, so Nikita and Michael head after one and Sean and Alex look for the other. Unfortunately, Alex and Sean get caught at the very location that Percy blows up as an example of his power. Meanwhile, Nikita realizes the best way to stop Percy is to go into the belly of the beast - Division itself.
Nikita Season 3 Episode 2 - Nikita tries to rescue a brainwashed girl before she can detonate a bomb aimed at a high-level target.
Nikita Season 3 Episode 5 - Nikita tries to capture a former undercover Division agent, who was recently elected president of Uzbekistan, when he visits the U.S.