Dean ran ahead and opened the front door, feet shifting nervously back and forth.

After his parents and their precious bundle passed through, he closed the door and followed them quietly into the living room.

A small fist clenching at his heart, he stood a few feet away from the couch, watching as his parents smiled down into the face of the smallest Winchester.

After a minute, Mary beckoned her eldest closer. When he hesitated, she tugged him in and placed the baby carefully into his arms.

"Say hello to Sammy, sweetheart," she said softly. "He belongs to you now."