On NCIS Season 19 Episode 7, the team investigates the death of a man on a cruise ship whose body is discovered in the ship’s sauna by McGee’s mother-in-law.

On NCIS Season 19 Episode 5, things take a turn when a murdered man explodes before anyone gets a chance to investigate his death. What happens?

On NCIS Season 19 Episode 4, Gibbs and McGee head to Alaska while the team works at home to uncover the conspiracy behind the serial killer.

On NCIS Season 19 Episode 3, Gibbs and Parker go on a road trip in search of one of the serial killer’s victims while Agent Knight goes undercover.