Season 1 - 11 times

102: Friend
Nikita and Julie dance during the makeup, wig, and tattoo scene.

 104: Charity
Nikita dances with Alec in a scene where he invites her to a fundraiser.

106: Love
When they come back from the first mission with Bauer, Michael dances with Nikita and Bauer dances with Stephanie, his girlfriend.

Later, Nikita does the stripping dance for Michael.

 107: Treason
When Nikita goes in the club to put a tracker on Suba, she dances with him.

  108: Escape
The famous "hand dance" takes place where Michael seduces Nikita to prevent her from trying to escape.

Michael: It's very simple. After Simone, I thought if I ever cared for anyone again... it would have to be someone from outside the Section, but I was wrong. No one from the outside can understand who we are. We fight all the time just to stay alive. Let's not fight what's between us. Let's take what we can get.

 115: Obsessed
During a mission in the teaser, they are in a wedding and we see some people dancing.

 116: Noise
During a mission in an art gallery, some people are dancing.

 120: Brainwash
At the reception for the Chinese premier, there is a dance show.

 121: Verdict
Nikita dances with Mijovich during the reception.

 122: Mercy
In the teaser, Michael and Nikita are in a dance club for a mission and they are dancing. The end of the scene:

Nikita: Aren't we done?
Michael: Not yet.
Nikita: Not yet...
Michael: After this dance.


Season 2 - 6 times

203: Third Person
Nikita stands in the middle of the room. She is having flashbacks of her decorating the apartment, she and Michael dancing , and at last Michael's face.

 212: Soul Sacrifice
At the party, a girl swims out of a pool, people are dancing, smoking, and drinking everywhere. Terry dances with Nikita, then some guy. Nikita notices Michael looking at her as she dances.

 213: Not Was
In the teaser, during a mission in a dance club, Nikita dances with a man who slips her a security card into her hand.

Later, while she is in her apartment with an amnesic Michael, he asks her if they ever dance, and she says that only when ordered. He asks her for a dance and she accepts, but they are interrupted by the phone.

 218: Off Profile
Michael and Andrea are posing as a couple at the party. They start to dance and seem quite into each other. Nikita had something else to do but she can't help but watch them for a little while, enough to get a lecture from Madeline later.

219: Last Night
Operations and Madeline are having a private evening in the Tower and they dance.

Season 3 - 4 times

302: Someone Else's Shadow
Nikita lies in front of a fireplace in Michael's home. She gets up and looks out the window at the wing of the house that contains the bedroom and watches the lights go out. She lies back down by the fire and thinks about dancing with Michael, making love to Michael.

 311: Walk On By
Nikita recalls one of her favorite memories of her mother, when her mother was dancing holding her in her arms.

312: Threshold Of Pain
Simon and Caroline (terrorists that they have to catch) are dancing in a club when Mark and Nikita are looking for them.

318:  Third Party Ripoff
During a mission that takes place at the Government Club we see some people dancing..

Season 4 - 3 times

 409: Down A Crooked Path
The hand dance scene from Escape is shown as Nikita is remembering it while she thinks about Michael.

 414: Line In The Sand
Mick Schtoppel does a little dance while showing Nikita's apartment to some woman he's dating.

420: Face In The Mirror
Mick Schtoppel bargains with Nikita to go with him to dancing classes and she agrees for one class. He does a little dancing in the discussion.

Season 5 - 2 times

 502: A Girl Who Wasn’t There
Operations is dancing with the virtual Madeline.

 504: All The World's A Stage
During a mission, we see that Nikita is dancing with the brunette she spotted earlier. Other women are dancing together as well.