A Navy SEAL candidate is murdered weeks before his graduation; Wade seeks Pride's help when her adopted son announces his plan to join the Navy.

A sailor is murdered during a rowdy motorcycle rally in the city; Lasalle seeks personal advice from Gregorio.

After a member of the United States Navy Band is murdered in her home, Pride looks after the victim's nephew, who is the only witness to the crime.

The NCIS team investigates when a Marine corporal who is an amateur race car driver is in a fatal crash on the track.

Pride needs to protect a family friend engaged to the prime suspect in an ongoing NCIS and FBI cartel case.

Sebastian goes under cover; Patton practices his old gambling skills; Pride and the team embark on a perilous plan to trap Garcia.

After Pride travels to a deep-sea oil rig for a murder investigation, the team uncovers a gas leak that's on the verge of causing a catastrophic explosion; Sebastian starts his NCIS special agent training.

An investigation into the disappearance of two couples in the village of Monks Barton.

Sinister secrets are revealed when a player is found murdered at the Whiteoaks Golf Club.

The CSI team must find whoever is trying to kill a couple recently released from jail, whose misdeeds turned them into media darlings.

A kidnapped woman misdials a cell-phone number and begs for help, and the team must figure out the number and person she was trying to call.

The team has a long list of suspects, including a victim's wife, a magician and a captain, as members search for the killer of two people on a cruise ship docked in Miami.

A spoiled heiress is found dead in her bathtub during her own party, with no shortage of suspects; Horatio tells Delko that he and Marisol plan to wed as soon as possible.

The team is on the verge of putting away members of the Mala Noche gang, but the gang's planned hit on Horatio endangers the lives of those close to him.

Horatio mourns the murder of someone close to him as he and the team hunt for the killer; the revelation of the mole's identity jeopardizes the future of the lab.

Horatio and Delko travel to Brazil in pursuit of Marisol's killer.

When Calleigh is run off the road into a canal, the evidence she is carrying becomes corrupted, so the team must uncover new evidence to solve the case.

After a celebrity is murdered at an A-list party, the team uncovers a counterfeiting ring producing $100 bills.

Male models' good looks may have cost them their lives; Natalia's abusive ex-husband begins stalking her at the lab.

A politician supports the use of eminent domain to clean up a neighborhood, and his dead body is later found in an empty house.

Bizarre incidents take place in the CSI lab after the team begins its investigation into the death of a Santeria practitioner.

A man is decapitated while performing a stunt, and Horatio believes his death was more than just an accident when he learns the hydraulics system had been tampered with.

While investigating a kidnapping and murder, the team finds a safe with dozens of pictures of missing women; as the team tries to find Boa Vista's kidnapped sister, Horatio must find the killer.

The team's investigation into the death of a young woman, killed after being auctioned off at a charity event, leads to a plot that could put the entire city in jeopardy.

When a Marine recruiter is murdered, the team delves into the world of military enlistment to try to find the killer; Natalia must face her ex-husband when he asks out one of her co-workers.

The team must find a suspected terrorist, who goes on the run after a failed attempt on her life.

Horatio, the lab's night shift and Calleigh's ex-boyfriend must find evidence that proves Natalia's innocence when she is accused of her ex-husband's murder.

Horatio and the bomb squad must defuse a land mine before it detonates; Delko is sued for his role in a domestic dispute.

Hijackers take a truck full of confiscated weapons, and Horatio links the crime to Clavo Cruz; a confiscated missile launched into the courthouse helps Clavo escape; a member of Horatio's team is fatally shot.

Mac and Jack's mini-vacation is cut short when someone from their past abducts them and locks them in a concrete room; Matty tasks Riley, Bozer and Leanna with stealing a diamond encoded with terrorist intelligence from a princess in Milan.

Mac and the gang team up with a master thief to catch an underworld criminal who hired her to steal a dirty bomb.

When MacGyver takes Riley and Bozer into the wilderness for survival training, things take a turn when they run into a violent group of criminals; Jack and Matty go on a road trip to place Matty's ex-husband and his family in witness protection.

An international crime boss offers to surrender if he's allowed to return to the United States to watch his daughter walk down the aisle; MacGyver and the team crash the wedding to ensure the crime lord doesn't run.

After a surprising introduction to Phoenix's newest recruit, Desi, MacGyver and team are assigned to protect a gun-sniffing dog who has a bounty on its head.

The Phoenix must recover the body of a pilot whose plane crashed while testing an experimental laser mapping system that MacGyver designed; Riley tries to identify the hacker who tricked a SWAT team into arresting her and Elwood.

MacGyver and the team are asked to solve a locked-door mystery when a man working inside a remote, ultra-secure international seed vault disappears.

When Nicholas Helman resurfaces to carry out a killing spree, the team is forced to get help from the one person who knows him best -- his protégé, Murdoc.

The BAU is called when the New Orleans Police Department discovers a mass grave inside a vandalized above-ground crypt in a local cemetery.

The FBI's assistant director of national security joins the BAU as it investigates the quadruple homicide of a group of roommates in St. Louis.

The BAU meets in secret to investigate a subject who appears to be kidnapping and photographing young women.

The BAU is called to Oklahoma to investigate a murderous clown who is terrorizing a town.

The BAU travels to Chicago to investigate a case where red roses are left on victims; Rossi gets an unexpected visit from his ex-wife.

The BAU takes charge of a hostage situation at a law firm where Matt Simmons' wife works.

The BAU is called upon when bioterrorism is suspected in a series of mysterious deaths; Garcia visits her stepbrother to take care of a difficult family issue.

The BAU is called to Taos, N.M., when someone targets victims' temporal lobes.

The team questions the credibility of a former FBI agent's bizarre account.

When Reid and Garcia are abducted by a mass murderer, it's up to the rest of the team to find them; the BAU looks to their past to solve why the two heroes have been targeted.

The team tracks a serial killer when remains of numerous victims are found in the walls of an elderly couple's home; the hunt becomes urgent after the BAU learns the killer's specific ritual of when to strike; Rossi reconnects with his ex-wife.

Packages with gruesome contents are delivered to six people in the Washington, D.C.. area; Simmons and Kristy struggle to connect with their son, David, who is suspended from school for aggressive behavior.

Soon after the BAU steps in to help local law enforcement isolate a suspect for a murder, a second person who is related to the first victim is killed under similar circumstances; Prentiss is concerned about Garcia's behavior.

The BAU investigates a spooky local ghost story of the \.

The BAU investigates four murders along the eastern seaboard; the crimes become personal for Alvez when the team discovers there are ties to his time spent in pursuit of a notorious hit man; Alvez and his girlfriend decide to move in together.

The BAU races to capture the vigilantes behind a series of attacks taking place every 27 minutes in the nation's capital; Prentiss and Unit Chief Andrew Mendoza lead the effort to identify the vigilantes and what's motivating them.