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On CSI Season 15 Episode 18, the team has a final showdown with the Gig Harbor killer whose motives are finally revealed and Nick Stokes considers his future with the team.
On CSI Season 15 Episode 17, the CSI team must investigate to figure out who has kidnapped two teenaged girls and where they've been taken.
On CSI Season 15 Episode 16, an odd case challenges the CSI team when a murder involves a vintage Rolls Royce and a victim covered in chrome.
On CSI Season 15 Episode 15, the team investigates when they come across a young murder victim who turned up dressed like a superhero costume.
On CSI Season 15 Episode 14, the team is on the case when a murder is committed at a convention for people who collect macabre murder memorabilia.
On CSI Season 15 Episode 13, the team finds out that the main suspect in a string of kidnappings is being released due to lack of evidence.
On CSI Season 15, Episode 12, the team reopens a 10-year-old case of murder/suicide when the only survivor insists that her father was innocent.
On CSI Season 15 Episode 11, the team dives into the world of aeronautics when they have to investigate a complicated hit and run accident.
On CSI Season 15 Episode 10, the team investigates the strange happenstance of a man who died not once but twice.
On CSI Season 15 Episode 9, when an inmate on the run finds a body at the Clark County jail, the CSI investigators are called in to the scene.