5x13 - Supernatural

" The Song Remains the Same " provides a rare opportunity for Sam and Dean to interact with their parents in their prime.

In a deeply emotional scene, Sam (under the guise of a stranger) tells young John that he understands why he became the man he did. This moment acts as a catharsis for Sam’s long-standing resentment toward his father, allowing him to forgive John for the trauma of their nomadic, hunter-centered childhood. Supernatural 5x13

The Archangel Michael makes his first appearance in this episode, possessing young John to stop Anna and save the boys. He coldly informs Dean that their entire lives—including their parents meeting and the Yellow-Eyed Demon’s interference—were a result of a fate stretching back to Cain and Abel. " The Song Remains the Same " provides