On Tuesday, May 3rd, Person of Interest kicks off its final 13-episode run on CBS. Season 5 begins with an action-packed premiere called "B.S.O.D." (as in "Blue Screen of Death), in which Reese (Jim Caviezel) and Finch (Michael Emerson) evade gunfire and race to save the Machine, while Root (Amy Acker) tries her hardest to draw Samaritan assassins away from them.