Supernatural: Season 1, Episode 1 - Pilot (2005)

In the Pilot episode, it is revealed that Sam and Dean Winchester's mother, Mary, was killed by a supernatural entity when they were children. This traumatic event is a pivotal moment in their lives, shaping their motivations and the path they take as hunters. The scene is depicted through flashbacks, showing Mary pinned to the ceiling of their nursery, engulfed in flames, while a young Dean watches helplessly.

In the Pilot episode, Dean shows Sam a family photo that serves as a poignant reminder of their lost childhood and the family they once had. The photo symbolizes their bond and the life they had before their mother's death, highlighting the emotional weight of their shared past and the sacrifices they have made in pursuit of hunting supernatural beings.

In the Pilot episode, Sam is initially resistant to Dean's hunting lifestyle. He has distanced himself from their family's legacy of hunting supernatural creatures, seeking a normal life and attending college. His reluctance is evident in his frustration and anger towards Dean, as he grapples with the trauma of their past and the fear of being pulled back into a dangerous world he wishes to escape.

In the Pilot episode, Sam and Dean confront a malevolent spirit known as the Woman in White. This ghost lures men to their deaths by appearing as a beautiful woman, only to reveal her true, vengeful nature. The brothers investigate the legend surrounding her, which ties back to the tragic story of a woman who was wronged in life, ultimately leading to a confrontation that tests their skills and resolve as hunters.

At the beginning of the Pilot episode, Dean is motivated by a sense of duty and familial loyalty to find Sam. He is deeply concerned about their father's disappearance while on a hunting trip, and he believes that Sam's help is crucial in locating him. Dean's determination is fueled by a protective instinct, as he feels responsible for keeping Sam safe and ensuring they stay united in their quest to uncover the truth about their family's past.