and thus at least for person of interest fans they get to say goodbye to finch , root, reece and shaw. plus the machine. as tonight begins the shows swan song aka its final season. though given how cbs plan is burn the episodes off fast with the series finale now set for june 21. fans are going to wind up getting a fast shows how much the network really wants to be done with person of interest. the big question since finch and reeces and root not only destroyed the machine is what will the do now will a new machine come to help them ?