at season 5 some things are different!buffy has a sister.monks made them unreal memories only to bmake buffy protect dawn.she is a key that wants to be taken par a god named glory!rilley let vampires to bite him for fun and thatis a reason that he leaves sunnydale.joyce dies and spike understands that he is in l’amour with buffy but when he tells her she makes fan of him and she hurts his feelings!he decides to make a robot of her but his plan stops when the robot is destroyed.glory takes tara's mind and she is crazy.hen glory khows who the key is the scoobies ran away but an army that wants to kill dawn stop them and glory takes the key!dawn's blood will open a door between heel and it will stop only if she dies!the door opens but dawn is alive.buffy dies to save the world!!!!!