After twenty remarkable years, Mark Harmon, renowned as Leroy Jethro Gibbs in NCIS, bids farewell in the 19th season, choosing to settle in Alaska. Season 20 introduces Sean Murray as McGee, the new face of the series, eliciting mixed reactions from fans. Harmon’s departure, explained by his desire to keep the character dynamic, leaves room for a potential future guest appearance. The farewell episode, “Great Wide Open,” sees Gibbs and McGee tackling a case in Alaska, culminating in Gibbs’ decision to part ways with NCIS. While bittersweet, many believe Gibbs deserves a respite, with hints suggesting a possible return, keeping fans eagerly awaiting the future.