Toby investigates an assassination threat against a Conservative leadership frontrunner.

Toby and Michelle investigate a suspicious homicide.

Toby is brought in to investigate some corrupt cops, but finds himself in over his head when one of them ends up dead from a suspected drug overdose.

An imprisoned criminal mastermind holds the key to the whereabouts of a kidnapped judge.

When Michelle and Dev investigate the suspicious death of a CSIS agent, the IIB uncovers a breach of classified intelligence.

A routine trip to the hospital leads a wealthy businessman to lose his baby daughter after his SUV is hijacked.

A break in a six-month cyber crime investigation leads Michelle and Dev to pursue a reckless hacker.

Toby and Oz are taken hostage by two men posing as security guards when they are dispatched to a routine call in the financial district.

The team places Mateo Diaz, a high school gang member turned informant, in protective custody while they investigate the murder of his junior reserve officers' training corps instructor; Pride needs his brother's help to gain Mateo's trust.

The team investigates the murder of a Navy contractor who secretly lived two lives for decades.

Pride is given a series of tasks to complete by unknown assailants who are holding Wade and his father hostage.

Pride and the team hope to take down a secret and lethal group of former intelligence agents and avenge the death of someone close to them.

While under cover, Gregorio joins a social club for military wives after one of the members is contacted by an ex-boyfriend who is on the FBI's most wanted list.

NCIS investigates the disappearance of a Navy entomologist after a deadly shooting at a research lab; the team finds that a rare and deadly virus was stolen.

Pride and the team reunite with conspiracy journalist Oliver Crane after the source for his latest story is murdered; Hannah's former partner, Liam Somers, surprises her and shares a shocking revelation about an old case.

The team investigates multiple murders tied to a construction company that creates an experimental chemical that strengthens sea walls; evidence from Hannah's previous mission in Oman is used against her.

After an elusive terrorist with a personal vendetta against Hannah resurfaces, she and her family are placed in protective custody while the team searches for the suspect.

After a reshuffling of assignments, Pride returns to the New Orleans office during the investigation of a missing petty officer.

The NCIS team investigates the murder of Patton's friend, a former Navy SEAL gunned down in a drive-by shooting while Patton watched.

A Navy lieutenant from a well-connected and affluent family has a fatal fall down a flight of stairs at a charity gala; the team investigates whether his death was an accident or foul play.

When Elvis Bertrand's \.

Tammy is convinced that a con man committed the hit-and-run murder of a Navy doctor, even though the evidence shows otherwise; unbeknownst to Hannah, her husband approaches Pride with new intel on an underground spy network.

The NCIS team investigates a deadly bombing at a military museum event with over 1,000 people in attendance.

Pride and Lasalle travel to war-torn South Ossetia to locate an FBI agent who was kidnapped during a failed mission to apprehend the leader of Apollyon, the underground spy network responsible for murdering Pride's father.

In Peru, IN, greed and lust chip away at a power couple's relationship; in rural Iowa, neighbors are at war.

In Buford, GA, a wife begins a cyber affair which has deadly consequences; in Raleigh, NC, a medical aids researcher suffers unusual medical problems his doctors can't explain.

In Silverthorne, Colorado, a photographer's wife seems to have mysteriously vanished in the night, until detectives learn he has a violent past; in Darby, Montana, a husband is dead, and Police have two suspects - his wife and mistress.

In Easton, Pennsylvania, a lesbian love triangle spins out of control; in Gillette, Wyoming, a desperate housewife has a shocking tale of murder and revenge.

In Wilkes-Barre, Pennsylvania, Police respond to a report of a vicious home invasion; in Olathe, Kansas, a brutal murder sends shockwaves through Bible country.

At Lake Mohave, Nevada, a fisherman stumbles across a human skull; in the North West of England, a husband claims his wife has left him for another man, but no one can find her.

In Lexington, Kentucky, a newly wed wife parties like there's no tomorrow, until a body is dumped on a golf course; in Brisbane, Australia, there are fears for the safety of a missing wife.

In Poughkeepsie, New York, a police officer discovers his wife is cheating on him, leading to a deadly encounter; in Orlando, Florida, a woman gets herself a boy toy with fatal results.

A death at a Celtic burial ground leads to a string of murders.

Barnaby and Scott investigate the case of a prizewinning author murdered on the eve of a literary festival.

When a young barman is found dead, the regular inhabitants of Midsomer Worthy's local pub are thrown into a case of unrequited love, secret business deals, and passionate affairs.

Tom and Dan investigate a man burned alive inside the effigy of a straw woman.

The team searches for a group of video gamers that has started to play the game in real life, killing police officers, stealing evidence, raping women, and robbing a bank.

Horatio and his team investigate the murder of a suspected drug lord as one member of the group is arrested for buying marijuana.

New technology helps find the true rapist in a cold case, but he is murdered before he can go to trial.

A man is murdered while trying to learn how to pick up women at a hip Miami nightclub.

When a female executive is shot at an afternoon concert, the evidence leads the team to suspect that the dreaded Mala Noche gang has struck again.

Evidence shows that a series of murders is linked to organized crime, but it also leads Horatio and the team to a pair of film students whose screenplay mirrors the details of the crimes.

When a body is found during a beach volleyball tournament, the evidence leads Horatio to his nemesis, Walter Resden, who is now targeting a person Horatio has sworn to protect.

A convicted child molester is found murdered in Alexx's neighborhood.

As their murder investigation intensifies, Horatio must ask Natalia to reveal a secret from her past to help solve the case.

When a corpse is recovered, the team finds evidence against a man formerly vindicated of killing his wife and dumping her body in the ocean.

Horatio must protect Marisol when her life is threatened after she witnesses a robbery.

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

Tara Lynn Grant was reported missing five days after her husband claimed she left their home in an unidentified black car.

A note claiming a family emergency was all that was left behind when American Atheist Madalyn Murray O'Hair and her family vanished in August 1995.

Handyman Cary Stayner is accused of murdering three Yosemite National Park tourists.

The murder of Jamie Paxton mirrors multiple deaths in the Ohio area; a psychological profile leads authorities to Thomas Lee Dillon as a prime suspect in the murders.

The team's Halloween plans are interrupted when the vice president's son's plane goes down with a mysterious prisoner on board.

Mac and the team attempt to extinguish a massive oil wellhead fire set by a rebel group in Nigeria.

MacGyver uses a heater and hot sauce to help a key presidential candidate in Ecuador receive a heart transplant he desperately needs after a rebel group tries to sabotage delivery of the organ.

MacGyver and Jack \.

The BAU tracks a conflicted killer in Virginia who feels remorseful after committing crimes; Rossi receives a visitor.

When the BAU heads to Salt Lake City to look into a triple homicide, their investigation may lead to a fugitive.

The investigation into frozen bodies found floating in a body of water in Nevada leads the team to believe the victims were members of a cult; J.J. confronts her trauma over her abduction.

The team searches for a killer who calls the authorities before committing his crimes; as Rossi prepares for a visit with his daughter, he gets news about the death of an old friend.

The members of the BAU team are brought back to their origins as they look at one of Gideon and Rossi's old cases.

When a hero emerges from the wreckage of an explosion in Indianapolis, the BAU team members must protect him as they try to identify the person responsible before more bombings occur.

The members of the BAU team search for a suspect who may have witnessed abuse as a child; Kate is worried when her niece and a friend make plans with a boy they met online.

When two guards at a maximum security prison are murdered, the BAU team thinks one or more people within the prison walls may be responsible.

The BAU tracks a serial killer in Wisconsin; Kate is faced with trouble when her niece, Meg, starts acting out.

When an up-and-coming congressman's wife disappears, the team investigates his political enemies as potential suspects.

International Unit Chief Jack Garrett (Gary Sinise) and his team requires assistance from the BAU when a family of four is abducted during their Barbados vacation.

When the members of a family are found murdered at their dining room table, the team looks for secrets in their past; Hotch tries to make peace with his father-in-law (Ed Asner).

When three alleged murderers claim that they were attacked by a monster at the moment of the crimes, the BAU searches for a suspect who controls minds; the hunt puts one team member in danger.

The BAU tracks a vigilante in Los Angeles who is shooting people with possible ties to criminal activity.

The team suspects Kate's niece and her friend were kidnapped by an online predator involved in sex trafficking and race to find them before they are hurt.

The BAU interviews candidates to take the opening left by Kate's departure; the team tracks a serial killer who leaves behind evidence that indicates a person intent on revenge.

Chance gets involved when a member of a Robin Hood-type gang turns out to be a militia extremist wanting to make a statement.

Chance ends up in the hospital after going to rescue Beth Barrington, who is Jacob Calder's numbers-wizard.

Chance's (Lucky Vanous) partner, Cie Baxter (Lisa Thornhill), secretly transports a convicted rapist-murderer.

Jacob Calder calls a summit meeting; former federal agent undercover, Jesse James Rader; Danny Calder strikes out at Burton Hardesty.

Team Scorpion becomes stranded on a floating island of trash they were trying to destroy; Toby works with Cabe to uncover the details of his father's death.

Team Scorpion tries to help a father and his daughter when their plane crashes nearby; Paige helps Walter navigate his feelings about Cabe's possible future in prison.

The team anxiously awaits the verdict of Cabe's trial which could send him to prison; they use their nervous energy to try saving a dog stuck in a cistern.

On Christmas Eve, Walter becomes unconscious after falling down the stairs and enters a dream world where Team Scorpion never existed.

The team must work with Toby's nemesis and his wife -- Toby's ex-fiancée -- when they are locked inside an artificially intelligent doomsday bunker that aims to kill them; Walter is distracted by a dream in which he married Florence instead of Paige.

Power is knocked out in Los Angeles, and the team must help a teen pilot and his girlfriend who are lost over the Pacific without any radio contact; Walter must look after a group of Ralph's classmates; Cabe tries to tell Allie that he loves her.

Team Scorpion must prevent an incoming tsunami from hitting a vulnerable nuclear power facility; Toby secretly helps his ex-fiancee retrieve her stolen identity.

On Valentine's Day, Team Scorpion must help a doctor and pilot who are trapped inside a helicopter; Toby and Happy wait for news on their fertility results; Sylvester realizes that he may have feelings for Florence.

The team investigates at a fantasy convention when a female science-fiction enthusiast is found murdered.

While bungee-jumping, a couple discover a corpse at the bottom of a gorge; the lab goes into lockdown when an unknown substance begins oozing from the cadaver.

The body of a pregnant 16-year-old athlete found buried in a mound of salt in a city de-icing truck leads Booth and Brennan to the discovery that many of her teammates are pregnant or have babies after a pregnancy pact.

Booth and Brennan are convinced the death was no accident after the half-eaten body of Cam's ex is found in the tiger cage at the zoo, leading the team to hypnotize one suspect (Chad Lowe) to try to jog his memory.

Booth and Brennan investigate when pulverized human remains are found in a garbage bag; Angela's father (Billy F. Gibbons) seeks revenge on Hodgins.

A flattened body is discovered in a bale of compressed cardboard; Booth and Brennan get suspicious when they see Sweets' girlfriend with another man.

Booth and Brennan look for a killer and a motive when it is discovered that a human skeleton is being used as a prop for a death metal band.

Brennan is suspicious when a Jeffersonian co-worker dies of heart failure; Cam tries to get her newly adopted teenager to stop smoking.

A friend of Booth's, Ken Nakamura, asks for help when his sister goes missing in Washington.

The body of a fraternity brother is discovered inside a rival school's mascot uniform; Booth tries to help his brother find a new job.

Brennan asks Booth to be the father of her child; Stewie Griffin (Seth MacFarlane) offers the couple advice.

When a body is discovered at a popular nightclub, everyone is a suspect.

A sex tape featuring the Minister of Foreign Affairs goes viral.

Toby connects with a gifted young woman whose mental powers appear to rival or even surpass his own.

Toby is forced to use his telepathic abilities to keep himself and others alive when he becomes a hostage in a bank heist.

Toby struggles with Alvin Klein during his first official investigation: a 10-year-old murder.

A maid's bloodless body is found in a mansion, hanging from a chandelier, with bites on her neck.

The team is baffled when a masked assassin kills a poker player during a high-stakes game.

After discovering another corpse without eyes, Horatio suspects his nemesis is to blame.

The team investigates the murders of convicted killers after their release from prison.

Horatio is determined to find a family that completely disappeared.

The team investigates the murder of the mother of a very young beauty-pageant contestant.

A killer uses an unusual, high-tech weapon to murder a genius billionaire.

The team investigates the murder of a skydiver with more than 100 children, all of them suspects.

The team tracks a suspect who shares the same style as a serial killer from 30 years ago; someone tracks the BAU's cases and replicates crimes.

With the help of the BAU team, Reid tries to find his girlfriend before it's too late.

As Reid deals with a personal loss, the rest of the team heads to San Francisco after victims are found in the Mission District.

When an author's daughter goes missing on the anniversary of his wife's disappearance, the team investigates the author as a possible suspect.

The team heads to Austin to investigate when victims with watches set to inaccurate times are discovered; the team's stalker gets closer.

Victims of the Replicator, the BAU's stalker, turn up in Philadelphia; the members of the team think they are getting close to apprehending their suspect.

The team investigates victims who were sharing details about their personal lives and inner desires online; Kevin becomes jealous when he finds out that Garcia might have a new love interest.

When the team goes to Morgan's old neighborhood to track an UnSub targeting middle-aged men, Morgan suspects they are looking for someone connected to the man who abused him as a child.

A 25-year-old time capsule opened in a small Colorado town reveals a gruesome discovery and a possible connection to a local police officer's death.

The team heads to Rapid City when two men are murdered in a ritualistic way; Reid mourns Maeve's death.

The BAU team heads to Los Angeles in search of a suspect who kidnaps nannies and the children they care for.

The team tracks a suspect targeting people in Detroit; Blake receives a life-changing proposition from her husband (D.W. Moffett).

When a torpedo hits a fishing trawler at sea, the entire Gulf Coast is in jeopardy as Pride and NCIS race to find the submarine before it can strike again.

A Navy therapist who is working to get justice for victims of sexual assault is murdered; Carter's mother confronts him when he refuses to talk to the FBI for a background check on her behalf.

As Pride and the team continue the investigation of an officer's assault and the murder of her therapist, NCIS zeroes in on a suspect who's been working the system for years; Carter and his mother talk about how they'll move forward after a mistake.

Pride and the team are on the hunt for a kidnapped 14-year-old and discover that her father, who will soon have custody of her, is a radical survivalist living off the grid.

When a petty officer is shot down by a sniper, Pride and NCIS hunt down the killer, only to find that he may not be acting alone; Rita tells Pride that she has been offered a compelling job.

Sebastian's life is in danger when a criminal he put behind bars escapes police custody; Carter is tasked with keeping Sebastian in protective custody; Carter and Hannah's flirtation is fun gossip fodder for Tammy and Sebastian.

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.

Wrapped in a shroud, the body of a young man lies beside an overturned garbage truck; Brennan's past as a foster child influences her judgment; Brennan and Cam butt heads over their work styles; Cam makes threats.

Brennan and her team match wits with a serial killer to save a girl's life.

Booth and Brennan probe what appears to be a case of jealousy and insurance money when a man is found dead at a construction site, but new clues send them in a different direction.

Brennan and Booth investigate an explosion in a Miami hotel where a young woman had burned to death.

Brennan and Booth investigate a young beauty queen's remains that are discovered at a water filtration plant; Hodgins asks Angela out on a date, which she accepts.

The skeletal remains of a federal prosecutor, who disappeared five years earlier, are discovered in the desert outside Las Vegas; an anonymous lead takes Booth and Brennan to the world of gambling and underground ultimate fighting.

Booth and Brennan search for a killer who buries his victims alive and leaves them to die if ransom demands are not met.

Brennan and Booth investigate when a headless corpse appears in the woods along with a frightening videotape of events on the night of the murder.

Brennan and Booth investigate the case of a mutilated body found on the roof of a federal building; Brennan hears from her long-lost father.

A body Brennan and Booth think is that of Brennan's incarcerated adversary, serial killer Howard Epps, is burned beyond recognition.

After Booth's gun is taken away because he maliciously shot a clown ornament on an ice-cream truck, Brennan must go to Florida alone to investigate the death of a college student whose body is found inside an alligator.

The Bancroft family calls on Brennan and Booth to investigate the stabbing death of Terence Bancroft; Agent Sullivan invites Brennan to his basketball game.

During a murder investigation at the marina, Booth notices similarities between the case and a murder in Brennan's latest book.

When a water main bursts at a cemetery, Brennan must identify and help reinter the remains that litter the grounds.

Booth suspects an organized-crime family when a partial skeleton is found encased in concrete, and he tries to lure the suspected killer out of hiding; Brennan gets a surprise visit from her father (Ryan O'Neal) while visiting her mother's grave.

Mac and the team follow mercenaries who are transporting stolen lethal nerve gas; Jack confronts Elwood about Riley; Bozer is pushed to his limit in spy school.

Mac must help college students stranded on a research ship in the Arctic Ocean; Jack kidnaps Elwood to find out what he's up to; Bozer's feelings toward Leanna grow stronger.

The LAPD interrupts the team's Christmas celebration to arrest Mac for terrorism when they find a body in a building destroyed by a bomb Mac built.

When Mac's nemesis rigs Mac's house with explosives and traps him and Jack inside, Mac uses a karaoke mic and an audio transformer to let the team know that the bomb is a distraction for a bigger one.

Mac participates in a challenge to create robotic combat machines; Mac must help a competitor when her vehicle is hacked and heads for the Pentagon; Jack attends his high school reunion.

The team heads to New Orleans to track down a con artist posing as the wife of one of Jack's old CIA aliases; enemies of his old alias resurface looking for revenge.

One of Murdoc's assassins agrees to hand over Murdoc to MacGyver in exchange for $10 million; the team finds itself protecting Murdoc from a former mentor who wants him dead; Jack realizes he may still have feelings for Riley's mother.

The team members pose as honeymoon couples at a resort in an attempt to befriend the son of a Serbian war criminal; Bozer wonders if Matty knows about his relationship with Leanna; Jack recruits Elwood to help him break into Matty's home.

Mac, Jack and Riley set out to find a mobster-turned-informant after he's kidnapped and taken to Chernobyl by an international crime boss; Bozer struggles to keep a secret from Matty.

Mac and the team reunite with the Coltons, a family of bounty hunters, as they all search for a thief of classified intelligence.

In its effort to determine who shot Horatio Caine, the team discovers evidence that leads to some of the most-dangerous people in Miami and to one of its own.

A sadistic crime ring takes advantage of high gas prices when fuel becomes so pricey that citizens of Miami begin killing for it.

When Delko's therapist's daughter is murdered, Horatio and the team race to find the killer before Delko's secrets are exposed.

Horatio and the team face the Russian mob after a savage double murder in the Everglades.

While investigating a murder in a boutique, Horatio learns that Julia's (Elizabeth Berkley) instability has made her a danger to others.

A crane crashes into a Miami high rise, putting Delko and Calleigh in danger, and ruining Horatio's best hope of catching a notorious crime boss.

A man is found stabbed and handcuffed in a hotel room; a prank at the lab threatens an investigation and causes a rift in the team.

The team races the clock to find a baby kidnapped by a killer, to prevent the child from becoming the next victim.

Horatio steps in to prevent a police officer from getting too close to the case when a savage killer runs rampant in Miami.

Horatio looks into Delko's past when a shooter targets the motel where Delko is staying.

The CSI team, with the help of local tipsters, fights to save a neighborhood on the brink of being taken over by a violent street gang.

The CSI team uses radical technology to unlock the secrets of a man's mind when he shows up covered in blood with no memory of where he has been.

When a murder occurs during a horse race, Horatio discovers that Ryan has a personal connection to the case.

Alexx Wood comes back when a murderer puts Ryan's and Calleigh's lives at risk.

A celebrated restaurant chef is a star witness in the trial of a mob boss charged with shooting his business partner.

A sex tape featuring the Minister of Foreign Affairs goes viral.

Toby connects with a gifted young woman whose mental powers appear to rival or even surpass his own.

Toby is forced to use his telepathic abilities to keep himself and others alive when he becomes a hostage in a bank heist.

Toby struggles with Alvin Klein during his first official investigation: a 10-year-old murder.

A performer's life is threatened, so Toby poses as her assistant and helps to investigate.

An African teenager, whose father is an alleged war criminal, is abducted.

Toby's telepathy acts as surveillance when Michelle goes under cover to expose an art-theft ring.

After tracking Apollyon, a deadly underground spy network, to war-torn South Ossetia, Pride is separated from the team and faces grave danger; in order to save Pride, the NCIS team must locate a mole who continues to feed information to Apollyon.

Pride must cut his vacation short when Hannah is suspended for breaking protocol during a joint investigation with the FBI.

A Navy pilot says she saw an unidentified object prior to a private plane crash; Pride suffers from insomnia and nightmares as a result of being kidnapped and drugged last year.

Pride travels to New York City after new DNA evidence is linked to a 20-year-old cold case from his past.

The team uncovers a sinister plot by a private detention center contracted by the government to house undocumented immigrants; Lasalle and Sebastian travel to Alabama to search for Lasalle's missing brother.

Navy Lt. Max Landry asks the New Orleans field office for help when he suspects his girlfriend is a spy; Lasalle faces another devastating dead end as he searches for his brother's last known whereabouts.

Lasalle hopes to avenge his brother's murder by tracking a drug ring in Alabama he believes is responsible; when Pride assists with the case, he crosses paths with Eddie Barrett, an elusive individual who knows more than he is sharing.

Following a natural gas explosion at a movie theater, the team discovers the gas company has been hacked and more explosions could be triggered.

Sebastian calls the team to assist with a possible kidnapping case when a dignitary's son he was assigned to protect disappears from a local concert venue.

After Eddie Barrett provides an alibi witness, Pride and the team are more determined than ever to find a break in the case and avenge Lasalle's murder.

Pride is cut off from the team and backed into a corner after the investigation into Eddie Barrett uncovers a malicious plot.

The team is concerned when Sebastian becomes unreachable while under cover as a new recruit.

The team must track down a mysterious female assassin responsible for murders in Athens, Rome and London; Wade's son begs her to allow him to go on a police ride-along for an article he's writing on a youth outreach program.

The team investigates the murder of a JAG captain who was discovered at home by his daughter, the only heir to his large estate; Sebastian is intimidated when he is put in charge of a team on his first day of training.

When Pride is unable to sleep due to continuing nightmares about the mysterious man in the red suit, he undergoes a specialized treatment to help him figure out the man's identity; an arrogant new officer joins the team.

Tammy must protect a teenage girl after her father is shot in their home; the rest of the team searches for a motive.

In Pleasant Grove, Utah, a former beauty queen goes under the knife to look sexier for her husband, but the romance quickly comes to a horrifying end.

In Alpena, Michigan, a neighborhood recluse winds up dead after developing a special bond with a much younger cleaner who enjoys spending his money.

In Livermore, California, a love triangle sets two women on a collision course; a couple rekindles romance by visiting to a picturesque region of Michigan, but only one of them is coming home.

In Maryland, a real body turns up after a murder mystery dinner; in Adelaide, South Australia, a love rival winds up dead.

In New Port Richey, Florida, a sex party has a gruesome ending; on the outskirts of London, England, farmyard animals could hold the key to what's happened to a missing wife.

In Denver, Colorado, a mistress plots revenge when she's dumped; in a small community north of Stockholm, Sweden, a deeply religious woman believes she's receiving messages from God - to kill.

In Chicago, Illinois, a millionaire meets an exotic dancer with a secret agenda; in Marion, Ohio, friends suspect the worst when a wife and mother goes missing.

An internet love triangle leads to deception and murder near Buffalo, New York; on the outskirts of London, England, a romantic stroll through the woods ends with a brutal attack.

It's Christmas and the troubled Villiers family get together nine years after the death of eldest son Ferdy.

Barnaby and Scott travel to a picturesque village to investigate the murder of an undertaker.

The Annual Midsomer Regatta celebrations are ruined by a horrific discovery, after a dead body is recovered in the river.

When one of the world's rarest orchids is smuggled illegally into Midsomer Malham, it triggers a catalogue of passion, jealousy and death.

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.

Neurologist Richard Boggs is linked to the murder of a patient.

Text messages reveal pastor Helge Fossmo incited his mistress to murder his wife.

Police were led to an assortment of suspects after finding the body of Raymond Collin in a snow-covered truck.

Erika De Nardo's story about the killings of her mother and brother crumbled with the finding of evidence.

As Mac and the team investigate the suspicious death of Dawn's CIA supervisor, the evidence leads to a dirty CIA agent and a massive counterfeiting ring.

Mac and Jack attempt to rescue a billionaire's son after he is kidnapped by a former Navy SEAL.

While helping a friend in Puerto Rico, MacGyver is taken hostage by robbers who are attempting to steal $2 million from the bank his friend manages.

Mac and Riley are called in to examine a mysterious object that crash-landed in the Nevada desert; Riley uncovers new information about Mac's father but questions whether to deliver it to him after he says he needs to move on.

The team must find the person responsible for a sarin gas attack on a Los Angeles bus before a larger incident occurs.

The team suspects a jilted unknown subject is responsible when brides are murdered on the eve of their nuptials.

When a robbery-homicide leaves three restaurant employees dead, a cold case that occurred in the same town six years earlier could yield a lead.

A notorious street artist becomes a suspect when corpses are used in macabre graffiti art in Detroit; Dr. Lewis tries to balance work and her relationship with her fiance.

A murder in a Florida community of sex offenders results in a large number of possible suspects; a career opportunity could take Lewis away from the BAU.

Rossi's daughter, a journalist, investigates the disappearance of a college student; JJ comes back from maternity leave.

An unknown subject in Phoenix abducts people and deprives them of sleep; Garcia and Hotch deal with a threat from hit men.

The BAU works with the NSA when two undercover DEA agents are murdered and another goes missing; Hotch hopes the team's work with the NSA will bring them closer to finding a ring of hit men.