Supernatural (2005)

S4E9 I Know What You Did Last Summer

While Dean was dead, Sam experienced a tumultuous summer filled with unexpected events. As he hunts for Anna Milton, a girl linked to angels, Sam unveils the shocking details of his past few months. The revelations shed light on his struggles and the choices he made during Dean's absence, intertwining their fates with Anna's mysterious significance. This journey not only explores Sam's turmoil but also sets the stage for a deeper understanding of their ongoing battle against celestial forces.