In Goode, Virginia, a 50-year age gap proves a nightmare for a wealthy retired businessman and his violent girlfriend; In Austin, Texas, a millionaire wakes up and discovers he's been shot.

In Merrillville, Indiana, there are deadly secrets between family members; near Manchester, England, a late night flower delivery is a test run for murder.

In Kansas City, Missouri, a woman falls for a hustler and pays a devastating price; in Castlerock, Northern Ireland, a dentist falls for a patient, and comes up with an unusual treatment plan.

In Westchester County, New York, a wife begins a fling with a co-worker which leads to an erotic game with a violent conclusion.

In Ventura, California, a wife goes missing after a mysterious arrest; while in Baton Rouge, Louisiana, thousands of dollars stored in shoeboxes provide a vital clue to solve a murder.

In Boone County, Iowa, a man on a farm believes that he's shot himself but can't figure out how; in Pryor, Oklahoma, an affair turns deadly, resulting in a house fire.

In Rocky Mount, North Carolina, a mortician falls in love in his funeral parlor; while in Mustang, Oklahoma, a sexual obsession turns deadly.

In Lebanon, Maine, an estranged wife trying to start a new life can't escape her violent past; while in Vincennes, Indiana, a married engineer falls for the babysitter, but it leads to murder.

A day of horse racing is suspended when an alcoholic horse trainer is found murdered in the stables; Barnaby and Scott are called in to investigate.

Barnaby delves into the history of Midsomer Mere after a series of murders take place.

A man's suspicious fall from the roof of his house leads Barnaby and Scott to investigate; to gain his life insurance they must determine whether the cause of death is suicide or murder.

Barnaby is called to investigate when a body is found in a relish factory.

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.

A member of the team fights for his life after being shot in the head; the hunt for Clavo Cruz continues.

The team investigates when the parents of a baby sitter in an upscale neighborhood are murdered; key evidence leads Horatio to expose a doctor who has dirty secrets.

Evidence suggests foul play after a member of a hunting group is mauled by a bear.

When a wealthy real-estate developer is killed, the team suspects his wife, then realizes that she is a triplet with identical sisters.

Horatio suspects that owners of an American Indian casino are involved in a murder victim's scalping.

Nine years after Cindy Zarzycki goes missing, detective Derek \.

Nineteen years after the killing of a woman on her doorstep, one guilty hit-man's confession and an international manhunt leads to a husband found guilty of his wife's contract killing.

Iouri Mikhel masterminds a kidnapping-for-ransom scheme, and kills four people who he dumps in a northern California lake.

A confession from a psychopath Robert Spangler as he reveals his role as a serial spousal killer.

Matty reveals the shocking secret that her husband has been undercover in a criminal organization for eight years; when his status as a CIA agent comes out, Matty needs MacGyver to find and extract her husband before it's too late.

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.

When an unsub targets the BAU, the team pursues the person who is responsible for the actions.

Emily looks to the BAU for help when tracking an international serial killer; the BAU deals with Morgan's departure.

The BAU hunts for an UnSUB who deliberately disfigures victims; Rossi and his ex-wife have an uncomfortable reunion.

The BAU plays a dangerous cat and mouse game with a convicted serial killer who may have information on the whereabouts of two kidnapped boys.

Hotch is arrested by a SWAT team and suspected of conspiracy; when the team members scramble to prove Hotch's innocence, they discover a larger plot may be on the horizon.

New recruit Luke Alvez helps the team capture a killer who escaped from prison with 12 other convicts.

J.J. is shaken after investigating the case of two abducted children, and tells her husband about the events.

As the BAU welcomes back Emily Prentiss, they're called upon to investigate the disappearance of three women.

The team searches for a serial killer along the Appalachian Trail in rural Virginia.

The BAU investigates the case of two murdered families, where two high school students are the sole survivors.

Three children vanish while riding their bikes on the same path where a similar unsolved disappearance took place 30 years earlier.

A man who believes himself to be the brother of Dr. Tara Lewis arrives in town, knowing everything about Tara's family; Tara is unable to make contact with her real brother.

The BAU team investigates when the remains of a dozen people are discovered along a creek bed in Yakima, Wash.

While conducting a profiling course on his birthday, Rossi gets a call from serial killer Tommy Yates, who gives him the location of his latest victim.

The team investigates when home invasions involving casualties strike upscale neighborhoods in San Diego.

The BAU investigates when a bizarre hieroglyph is found under a deceased homeless man's armpit; Reid decides to take his mother out of a clinical study early to bring her home.

Chance and Cie go under cover to try to stop a truck hijacking ring.

Jacob Calder (G. Gordon Liddy) supplies Chance (Lucky Vanous) with the name of a man who may know more about Chance's murdered wife.

When Cie (Lisa Thornhill) finds her father, whom she has never known, she discovers he is planning a robbery. With Lucky Vanous. Guest star: Susan Hawk.

Chance and Cie (Lucky Vanous, Lisa Thornhill) assume murdered criminal's identities to stop a bank robbery.

After failing a military training mission, the team members are determined to prove themselves when an Internet infrastructure is threatened by a bomber.

The members of the team disregard Cabe's advice and go to Las Vegas for a casino job; a robbery leads to Walter being arrested.

Walter and the team ask a troubled former associate for help when a nuclear reactor in Los Angeles is on the verge of a cataclysmic meltdown.

After being accused of destroying a priceless piece of art, the team must pass a mandated psych evaluation; Paige asks the team for help when Ralph is hesitant to go to the school Halloween party.

Three convicts -- including a brilliant hacker -- escape from prison; Paige tries to manage Ralph's expectations when his dad returns.

A musician -- who created a controversial algorithm to generate hit songs -- helps the team investigate the murder of a music blogger; Drew seeks help connecting with his son.

Cabe's ex-wife needs the team's protection after she discovers evidence that suggests a prominent congressman's death involved foul play.

The team must recover stealth technology from a military plane that was shot down in Bosnia; Walter's sister visits with Sylvester at the garage.

A human skeleton is found in the trenches of a Civil War battleground; Booth's brother returns from his trip with surprising news.

Brennan and Booth investigate a set of uniquely disfigured remains allegorizing biblical text; a Jeffersonian intern reveals a secret about his past.

Dr. Sweets deals with post traumatic stress after his subway train is derailed by flood water; a partially skeletonized body is discovered.

Recounting the events of the first case on which Brennan and Booth worked together; how other Jeffersonian team members' relationships began.

Brennan returns to her former high school to investigate when unidentified human remains are discovered; Booth and Brennan pose as a married couple at her high school reunion.

Brennan and Booth are asked to identify human remains found inside the belly of a shark; a marine biologist (Rena Sofer) is interested in Booth.

Booth and Brennan investigate a death at a rock `n' roll fantasy camp.

When a cabin in the woods burns down, the bodies of two witches are revealed; Angela and Hodgins are arrested.

Everyone at the Jeffersonian tries to uncover forensic evidence to help elicit a conviction in the trial of the Gravedigger.

The remains of a hoarder are discovered; Angela's father (Billy Gibbons) visits; Booth and Brennan are each confronted with unique opportunities.

The team helps Cam solve the case of an unidentified boy; after making personal discoveries, the members of the team realize they belong in Washington, D.C.

The remains of a couple are found in a cave; Brennan re-evaluates her relationship with Booth when his girlfriend makes a surprise visit.

Toby and Michelle investigate the death of a pharmaceutical executive who released a drug with killer results.

Toby and Michelle must recapture an escaped criminal mastermind before he can seek revenge.

Toby starts doubting his abilities after Michelle questions his insights during their investigation into a wealthy philanthropist's murder.

Toby and the IIB must find the source of a deadly virus before it kills more people.

Horatio and Megan examine the remains of a human torso found in a tiger shark's stomach. Wanda De Jesus guest stars.

A wealthy family uses their power and influence to distance themselves from a rape and murder investigation.

A priest is shot to death in his church rectory; Horatio and Delko examine the charred remain of a pregnant woman.

Horatio and the team investigate the murder of a 5-year-old girl in a restaurant washroom.

Evidence on a lost, blood-soaked toddler leads the CSI team to her home where each family member's spilled blood tells a tale of horror. Wanda De Jesus guest stars.

The team tries to get inside the mind of a sniper after three people are shot and killed in downtown Miami.

Horatio and the team investigate after the corpse of an unidentified girl is found near an extremely strict rehabilitation camp.

Horatio investigates the stabbing death of a prostitute who is found stuffed under a bed in a hotel room.

Blake must work with her retired police captain father and her detective brother to solve a series of murders in Kansas City.

A murder investigation results in Garcia delving into her hacker past -- and reconnecting with a former flame.

As the team searches for a vigilante killer in Cleveland, Rossi's former Marine sergeant goes missing in Los Angeles; J.J.'s secret catches up with her.

When J.J. is abducted, the team looks into her time at the State Department in hope of finding clues regarding her disappearance.

The team searches for a pair of suspects responsible for several murders near Pittsburgh; Morgan and Garcia make Valentine's Day plans with their significant others.

The BAU makes startling discoveries as they search for a 4-year-old girl who went missing while staying with a relative.

The BAU must determine the true cause and motive when several drowned people are discovered in the Las Vegas desert.

Three bodies bitten by humans and animals are found in a shallow grave; Garcia and Reid hide their preparation for a company fitness test from Morgan.

Morgan's visit with a survivor of unusual stabbings in upstate New York leads to more questions about the case.

The discovery of two murder victims in West Virginia uncovers a long-simmering feud between two families.

The team searches for a commonality when a series of target abductions take place; Savannah is frustrated with Morgan's traveling.

When people are killed by arsenic poisoning and handwritten death threats are found, the team pursues a suspect fascinated by Greek mythology; Hotch is worried about participating in a Career Day at Jack's school.

While Pride remains on probation after his rogue takedown of the corrupt Mayor Hamilton, his team is closely monitored by a strict supervisor; the team must secretly investigate after the FBI takes the lead on a case involving stolen nuclear waste.

An erratic whistleblower who calls Pride her mentor kidnaps him to help her locate a serial killer targeting young women in the Gulf of Mexico.

The team joins forces with FBI Director Isler after a Russian operative with intelligence on sleeper agents disappears; Tammy partners with former sleeper agent Eva Azarova to assist in the disappearance.

The team investigates the copycat murder of an unsolved case from 150 years ago that spawned a legendary ghost story; Gregorio is spooked when the case is connected to a recent séance and a local medium.

Sebastian is placed on administrative leave after being questioned by the FBI about a foot chase; Pride and the team attempt to clear Sebastian's name.

The murder of a petty officer leads the team to a woman who is targeting men with high security clearance; Lasalle's father arrives to discuss the family business.

The team investigates after a clinical trial in which brain implants are put into veterans is hacked; Patton must work alongside his ex-wife, who spearheads the project.

Wade's son asks Pride for help after being attacked and discovering his girlfriend is missing; Pride must meet with a therapist to discuss his process for solving cases.

An aspiring singer (Ace Young) is murdered and, as Brennan and Booth investigate the musician's fans and foes, one obsessed woman transfers her affections to Booth.

A human jawbone found at the Jeffersonian alerts Brennan and the team that the Gormogon serial killer has struck again; a lab explosion lands Zack in the hospital; Gormogon's silver skeleton disappears from the vault.

When Brennan and Booth go to London to guest-lecture at Oxford and Scotland Yard, local officials ask them to help investigate the murder of a young heiress; Angela's long-estranged husband returns.

When Brennan and Booth go to London to guest-lecture at Oxford and Scotland Yard, local officials ask them to help investigate the murder of a young heiress; Angela's long-estranged husband returns.

When the corpse of the host of a popular reality show is found partially decomposed in an outhouse, Brennan and Booth must separate the killer from many suspects; Booth discovers that Brennan juggles two relationships.

When Booth's son, Parker, finds a finger in a bird's nest, the team launches an investigation to find the rest of the body; Booth asks Sweets to psychoanalyze his son; Sweets confronts Hodgins about his attitude in the lab.

A teen discovers a dismembered, headless body in a pool of purple water; the team struggles to find enough evidence to locate a killer until getting insight from Zack, who studies the case at his psychiatric facility.

Booth and Brennan investigate when the remains of a disliked office manager are found in a building elevator shaft; Angela and Hodgins try to figure out their altered relationship.

Skeletal remains with remnants of breast implants are found in the Chesapeake Bay; when the body's lower half is discovered, the team realizes that initial assumptions about the victim may be wrong.

Booth and Brennan investigate when the remains of a renowned artist are found in an impounded junkyard car; a woman connected to Angela becomes a suspect in the case.

A con man misleads the team during a murder investigation; Booth's younger brother, Jared, takes a job at the Pentagon; Brennan agrees to go on a date with Jared to a White House function.

While en route to China to identify prehistoric anthropological remains, Booth and Brennan are called upon to solve a murder in midair when the flight attendant discovers a fully cooked human body in the plane's microwave.

Brennan and Booth investigate when a skull and other skeletal remains are found in a nationally protected wooded preserve; Brennan's recently acquitted father (Ryan O'Neal) finds a job as a teacher.

A shallow grave holds the remains of conjoined twins; Booth and Brennan infiltrate a circus community after they discover that the twins were jugglers there.

A man and his son discover a frozen body in a pond; Booth gets advice from one of his hockey idols.

Brennan and the team get a phone call from the Grave Digger, who informs them that Booth has been buried alive with only 24 hours of oxygen.

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.

MacGyver and Desi help a group of Syrian refugees who are being pursued by human traffickers; Bozer is trapped in Oversight's car, and it's rigged to explode.

Two American tourists go missing while doing a scavenger hunt through some of the world's most dangerous countries; the Phoenix team goes under cover as backpackers to find them and bring them home alive.

A cunning new adversary's carefully crafted plans force Mac to make an impossible choice: save the life of a friend or save the lives of hundreds of innocents; Mac receives new information that will drive a wedge between him and his father.

Matty's ex-husband, Ethan, asks her for help when a criminal organization kidnaps his wife and daughter; Matty must decide if she's willing to commit treason to help Ethan; Riley joins Billy Colton and Mama Colton on a mission to Paris.

Ex-MI6 agent Russ Taylor recruits former Phoenix Foundation members Mac, Riley, Bozer, Matty and Desi to hunt down a bioweapon that's planned to be used by a mysterious organization for a devastating attack on a major US city.

The CSIs re-create a night of bachelor party debauchery to solve a murder and find a missing groom.

Dr. Ray Langston (Laurence Fishburne), from the Las Vegas office, comes to Miami when a severed leg found in the Everglades is linked to a girl who went missing in Las Vegas a week earlier.

When the CSIs investigate what caused a car accident, both drivers' darkest secrets are revealed.

Deadly jellyfish are used as a murder weapon; a mysterious woman from Jesse's past returns.

The case of a dead census worker sends the team into a high-speed chase and an explosion that threatens investigators' lives.

Eric Delko returns as an expert witness for the defense, pitting himself against his old team.

When a popular musician bursts into flames during a concert, the CSIs expose the dark side of stardom.

A bizarre case involving a man who was chopped in half baffles the CSIs; Natalia's injury puts her and Ryan in jeopardy.

The CSIs have 24 hours to determine if a man on death row is really guilty; Eric Delko returns to work on the case.

The team investigates a case of a man who was murdered in outer space.

Horatio and Eric go to Los Angeles to clear Jesse's name after accusations of evidence tampering arise; Horatio faces a dangerous element within the LAPD.

The team investigates the murder of an unpopular receptionist.

After returning from war, Horatio's son seeks his help to solve a murder.

The team splits up to investigate three different murders during spring break.

Toby and Michelle investigate a string of high-tech thefts in Vancouver.

Toby and Michelle search for a dangerous gang while feeling the pressure of the new police superintendent.

When Tia's colleague is targeted by a hotel owner, Toby pushes for an investigation.

Toby and Michelle search for a killer suspected of taking national defense secrets.

Toby goes under cover to find a group of thieves posing as police officers.

Toby and Michelle investigate a potential conspiracy linked to a mob murder trial.

After witnessing the death of an MMA fighter, Toby looks into the business dealings of two rival leagues.

Toby's investigation into the murder of a tattooed woman leads him to believe that corporate espionage and blackmail are behind the killing.

After a Molotov cocktail is hurled into Pride's bar, evidence leads him to his old nemesis, Sasha Brousard; Tammy uses her profiling skills on Hannah and Carter with shocking accuracy.

The team investigates the deadly bar bombing and impending criminal turf war involving Sasha Broussard; Pride must come to terms with having Connor in his life; Carter and Hannah work to define their new relationship.

Pride directs the team to link Sasha to the recent attacks in New Orleans; Carter and Tammy search for a stolen highly trained military dog; Pride and Rita make an important decision about their wedding.

Pride and Rita plan their wedding; the FBI arrests Connor in connection to the bar's firebombing.

On the eve of his wedding to Rita -- and Connor leaving for the Witness Protection Program -- Pride must track down who attacked Jimmy and Connor, while he navigates Sasha's ulterior motives regarding her son.

The team investigates the death of a petty officer whom Pride had mentored; Brody searches for a place to call home.

When a Navy lieutenant on liberty dies of bubonic plague, NCIS Special Agent Tony DiNozzo helps the New Orleans team as they try to control a potential outbreak and find the source of the infectious disease.

An armored transport bus crashes, resulting in the escape of four prisoners -- including a black market broker topping the list of national security threats; Pride needs Gibbs' help with a case file full of redactions.

When a Navy SEAL is found dead in a sorority house, the team must determine if his death was related to collegiate foul play or a classified mission; Pride's daughter visits the office.

The investigation into a chief warrant officer's death reveals that his wife has been abducted -- leaving the team with a 22-hour deadline; senior FBI agent Fornell assists with the case.

Amidst Halloween festivities in New Orleans, a Naval Staff Judge Advocate dressed in a costume is found dead in a cemetery; the team debates Halloween costumes and activities.

The team investigate the murder of a Navy Officer assigned as a tech liaison with a private developer; Pride turns the carport into an auto shop.

A murdered petty officer -- with a proposal and an engagement ring -- is found in a Mardi Gras float storage facility; the members of the team are baffled when they cannot locate the victim's girlfriend.

The team reopens a cold case when a stolen Navy-issue gun turns out to belong to a chief petty officer who died 40 years ago; the team makes their annual Thanksgiving dinner together.

A retired SEAL -- who tracked people impersonating military personnel -- is murdered; Brody finds that LaSalle is uncharacteristically unenthusiastic about Christmas.

The investigation into an explosion at the Navy-Marine Corp Relief Gala reveals Pride was the bomb's target.

A husband carefully plans a murder; a love triangle leads to a deadly conspiracy.

Love and lust leads to murders in Atlanta and Colorado.

A church minister and a teacher fall for a student.

A pregnant wife is killed execution style; an EMT is intent on taking a life.

Two murder cases where the victims are found in parks in New Jersey.

Two murder cases involving cheating spouses with evil minds in Pennsylvania.

A married soldier begins a dangerous affair; a Canadian wife ends a life.

A newlywed wife with a violent ex-husband in Washington State and in Lisburn, Northern Ireland, a Fire Chief wants to extinguish a love rival.

Inspector Barnaby investigates a web of family feuds, when a retired music teacher is found battered to death.

A couple is murdered near a house that is said to be haunted.

Barnaby and Jones look into the drowning death of a mother during Oak Apple Week; it links to two murder victims from the past.

Barnaby and Jones suspect foul play when a wealthy man dies of a heart attack.

The team investigates the death of a movie star who was on the verge of exposing damaging secrets.

A nasty divorce gets worse when the husband's mistress turns up dead, and the body count continues to rise as the complicated relationship unravels.

Horatio must fire a member of his team when the problems of that person taint the current investigation.

After a suspected carjacker is killed, the team learns that he may have been involved in drug smuggling off the shore of Miami.

When a serial killer is caught and identified as having an extra Y chromosome, the team mistakenly thinks that it has closed the case.

A hostage situation turns into murder; Horatio thinks one of the suspects may be his son.

After the Internet turns a high-school student into an international sex symbol, information leaked about Horatio puts his life in danger.

Horatio goes in search of his son, who is missing after a deadly prison break.

While probing the mysterious death of a college student in a car fire, the CSI team finds evidence indicating that a former colleague (Rory Cochrane) may still be alive.

A retired sports legend is stabbed to death, but Alexx is unable to take the body for an autopsy.

Bizarre occurrences distract investigators as they track a serial killer who struck during an eclipse of the sun.

The investigation into a model's murder sends Horatio back to prison, where he must work with a former nemesis to clear his son's name.

Pamela George's beaten body was found and two boys from successful families are charged with first degree murder.

in 1951 a hitchhiker is sentenced to hang for murder; public outcry reduces his sentence.

Nurse Kristen Gilbert is convicted of three counts of first-degree murder after several of her patients die from inexplicable heart attacks.

Reena Virk goes to a party where her \.

Gen. John Acosta recruits MacGyver to steal a highly classified project from a military lab to find flaws in its security.

MacGyver and the team are on a plane that's in the air when the pilot has a heart attack.

As MacGyver works quickly to rescue survivors from a collapsed building in Germany, he discovers a new safety threat -- an undetonated bomb from World War II is hidden beneath the rubble.

In an attempt to find the main players in the Codex and cut off their match-fixing funding, Desi goes under cover to infiltrate a soccer team and find the corrupt player working with the shadow organization.

The BAU team is called in to investigate when male bodies are discovered that seem to be impossible to identify.

When a BAU member gets in trouble in Mexico, the team enlists the services of the International Response Team for help.

The BAU looks into the cause of several fatal car crashes involving drivers and pedestrians; Reid gets bad news.

The BAU investigates a series of disfiguring acid attacks on young men and women; Dr. Reid begins to settle into his new surroundings.

A mother steps forward with valuable information for the BAU to aid in their investigation of an unsub known as the bone crusher; Reid must adapt to a new set of rules in prison.

The BAU believes two unsubs may be operating simultaneously when victims killed in two different ways are discovered in the same city; the team grapples with keeping Reid safe in prison.

The BAU investigates an urban vampire who kidnaps his victims at night and holds them underground in the sewer system; Reid makes a difficult decision in prison.

The BAU is called to investigate after three victims are discovered tied to stakes in the brutal Arizona desert.

The BAU investigates when several federal government employees, including a close friend of Walker's, succumb to symptoms of a heart attack; Reid anxiously awaits his trial date.

When Reid fears his mother has been abducted, he asks the BAU to investigate while he's stuck in prison.

Morgan brings the BAU new information in the case against Mr. Scratch, a serial killer and escaped convict who has been wreaking havoc on the team.

Agent Matt Simmons joins the BAU team in a race to take down Mr. Scratch and save one of their own in the process.

The BAU investigates three similar crimes in which victims' remains are discovered in old suitcases.

When an anger-driven, unknown subject targets successful businessmen in Detroit, the BAU must investigate.

The BAU investigates a workplace shooting committed by a state-of-the-art drone in Silicon Valley.

Morgan returns to the BAU to help Penelope deal with a case that has affected her emotionally.

Chance and Cie get involved in a case concerning a Texas Ranger, a lot of money and a South American drug cartel.

A female car thief is recruited by Chance and Cie (Lucky Vanous, Lisa Thornhill) to help catch a Russian arms dealer.

An inmate's deathbed confession sends Chance and Cie on an investigation of a convicted murderer's guilt.

Chance and Cie go undercover to protect a U.S. senator receiving death threats while running for re-election.

Sylvester ends up in critical condition after accidentally triggering an explosion during an investigation; the team must remain focused on finding the culprit.

On Christmas Eve, a boy is trapped in a beach-side cave, where the rising tide threatens his life; the team races to find a way to save him.

The team tries to help Ralph when he is taken by the FBI for questioning after his web game play unintentionally reveals a CIA safe house's location.

The team searches for a CIA mole who has been coerced into stealing deadly chemicals; Paige shows Walter how to flirt.

The team must help an injured former Secret Service agent regain his memory in order to stop the launching of weapons of mass destruction.

The team members go under cover on a cruise ship in order to locate and disable stolen rockets; as Valentine's Day approaches, Ralph develops a crush.

The members of the team travel to Mexico when the daughter of a tech billionaire is abducted; Walter participates in an interview that leads to hurt feelings.

The team must facilitate peace discussions when a conflict in Eastern Europe threatens to escalate into World War III.

Brennan and Booth head to the Jersey Shore when decomposed remains are discovered; the team becomes fond of Booth's girlfriend; Angela tries to keep a secret.

When a skull and decomposing hands are found in a dumpster, the team searches for the rest of the victim's remains; Brennan agrees to shoot an episode of a children's show with professor Bunsen, \.

The skull of a promising young dancer is discovered at a construction site; Hannah's safety is jeopardized when an assignment takes her to a dangerous part of town.

Human remains from a 150-year-old slave ship surface; the investigation leads Booth and Brennan to a cruise where a murder victim was seen moments before his death.