The team searches for a missing man whose daughter went missing several years earlier, which makes the team wonder if his need to help another couple with a missing child is connected to his own disappearance. Meanwhile, Jack must adjust to life with a new boss.
The CSIs are called to investigate when an executive at a clothing company is kidnapped during a rooftop party.
A white-collar criminal disappears before he can testify against a former business partner.
The team discovers a long festering secret which sets off a deadly chain of events when they investigate the disappearance of the teenage son of a Secret Service man.
The team must shift their attention from a case they are working on and hand it over to Martin, after a child is reported to have been kidnapped at a mall.
While looking into the disappearance of a bank manager, the team uncovers a dark secret that may be the reason behind the disappearance.
The team searches for a paraplegic who had been injured two years earlier in a car accident and is now missing. Their investigation shocks them when they discover the truth in what may have caused his disappearance.
Jack and Samantha head to Los Angeles to look into the disappearance of a man who vanished after attending a funeral.
Songs: Ray LaMontagne -- Falling Through
The team must decide whether or not a doctor's past is a factor in her disappearance from the hospital just after helping a patient.
A TV weatherman shows up to work with his side bleeding and then disappears, causing the FBI to investigate.
The team is called in to investigate the custody kidnapping over a teen who vanished after last seen with her mother. But the case takes a turn when they discover the teen was living a secret life. Meanwhile, there is a bump in the road of the relationship between Jack and Samantha.
Songs: Jason Mraz -- Details in the fabric
The team searches for a bar owner who has a statue believed to create miracles.
Elena's former partner goes missing following a sting. As the investigation continues, Elena must face her own past in order to find her friend.
Songs: Jenny Lewis -- Acid Tongue
The team tracks down the person who kidnapped two neighbors from a suburban neighborhood. The case takes a shocking turn when the agents learn of the abductor's identity.
The team uncovers a history of deception as they search for a man posing as a college student vanishes.
The team investigates after a woman attends a self-defense class with her infant son and then both disappear after the class ends.
While working on a high profile civil case, a trial consultant vanishes. Jack and Sam learn how to make adjustments as Brian and Finn spend more time together.
The team believes a victims brother who was imprisoned for a serial rape is connected to a case of a missing psychologist. Elsewhere, Martin and Kim's relationship progresses.
The team has a lengthy list of suspects in the disappearance of a Russian matchmaker.
The team has to find a billionaire's son who disappears while piloting a plane which crashes in a wooded area.
A reporter writes an expose on a corrupt politician and then disappears shortly after.
The team searches for a missing teen who's abductor left behind an amateur tape with her appearing on it.
Hannah's boyfriend runs away to New York to be with her, but disappears along the way.
The agents search for a man who disappears during a ocean dive late one night. Meanwhile, Danny and Elena's relationship strengthens.