" Into Thin Air " is the ninth episode of the seventh and final season of the crime drama . First aired on February 21, 2021 , it follows the NCIS team as they investigate the sudden disappearance of a teenage girl in New Orleans. Episode Overview Original Air Date : February 21, 2021 Season/Episode : Season 7, Episode 9 (148th episode overall) Director : Tim Andrew Writer : Cameron Dupuy Plot Summary
: Special Agents Quentin Carter and Hannah Khoury visit Frank’s property, encountering a man deeply paranoid due to post-Katrina anxiety. While he initially appears hostile, he eventually cooperates after realizing his daughter is truly in danger. [S7E9] Into Thin Air
Details on this episode and the rest of the final season can be found on Apple TV or the NCIS Fandom Database . " Into Thin Air " is the ninth
: The team initially focuses on Beth's father, Frank, who is a radical survivalist living off the grid. Claire was scheduled for a six-month deployment, which would have left Beth in Frank's custody—a situation the girl reportedly feared. While he initially appears hostile, he eventually cooperates