Nikita: Nikita and Michael
Michael first serves as Nikita's teacher and trainer, with sexual tension all over the place. However when Nikita goes rogue, Michael switches sides and becomes her number one hunter. Eventually, after many heated gun and fist fights, Michael turns up unannounced at Nikita's apartment and pounces on her, thereby proclaiming their love. After that, they became a crime-fighting super team. In season 3, Michael proposes to Nikita.