Dexter: Original Sin (TV Series) - Season 1 - Episode 5: "F is for Fuck-Up"

Young Dexter Morgan grapples with his emerging dark urges while investigating a series of murders linked to his past. As he collaborates with LaGuerta, he uncovers chilling connections between victims that push him closer to his violent instincts. The episode explores themes of trauma, identity, and morality, showcasing Dexter's struggle between his dual nature and the quest for justice.