Everything seems to be going well for Danny, Robin, and the rest of the titans but what happens when the evil older self of Danny, Dan Phantom, returns. How will Robin and the Titans react if they find out who Dan really is? Will Danny be able hide his secret or will the titans find out? Will they still want to be friends with him? Will Danny and Robin be able to keep their relationship or will their brotherly bond be broken? Find out in "Familiar Darkness" the sequel to "Brothers Again".

Amelia was Daniels little sister that no one knew about. Not even the why don't we boys knew of her. She gets into big trouble at school and was sent to her brother and his band. The boys get a big suprise when she shows up and so does she. Amelia was known as the bad, rude chick but really she was smart and kind, nobody saw that though. She was given this reputation at her old school where she stood up for herself against her bullies. She had never actually met the boys before as Daniel really didn't like her and she was kicked out of the house everytime they came. Amelia never knew why but then again, not many people did. Who will help her open up and get rid of this reputation? Will Daniel get over not liking her? Will she fall for one of them?