Nikita left a big cliffhanger at the end of its last episode, ‘Sanctuary,’ three weeks ago, when, just as we thought Amanda was ready to put Percy into a medically induced coma, he pulled the ultimate game-changer on her: grant him his freedom, or his guardians, who interrupted Oversight’s meeting and was holding them hostage, would kill them all and activate Operation Clean Sweep—an escape route Oversight built into Division when it was first created, the ability to gas everyone inside and pretend it never existed if it got out of control.