Supernatural: The Anime Series (2011)

S1E17 Rising Son

Dean travels to Missouri, grappling with the weight of John's final message: "Save Sam, or kill him." Nostalgic memories surface as he comes across old photographs, particularly of Mrs. Lyle, Sam's former teacher. These reflections lead Dean to recall the time he and John fought to protect Sam, even when faced with the uncertain path that lay ahead for his brother.