 Samandriel's screams cause him to remember being tied down by Naomi who approaches his eye with a mysterious instrument and is unable to help Sam and Dean in breaking into the room where Samandriel is.After they get in, Castiel frees Samandriel while Sam and Dean deal with the demons guarding him and takes the other angel outside.There, Samandriel begs for Castiel not to return him to Heaven and tries to warn him that "they" are controlling him.