In a revealing episode from eight seasons back, NCIS delved into Leroy Jethro Gibbs’ family history, particularly his mother’s fate. Titled “Namesake,” the episode uncovered connections between a Navy officer’s murd3r and Gibbs’ father’s best friend, Leroy Jethro Moore. Gibbs confronted his father about his mother’s overdose, leading to emotional revelations and eventual reconciliation between Gibbs, his father, and Moore. This exploration of Gibbs’ past added depth to his character and left fans intrigued by his mysterious history.