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.

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.

The team identifies the remains of a competitive-eating champion just days before a contest; a brilliant new squint has trouble fitting in; Booth and Brennan try to put themselves in each other's places after a disagreement about the baby.

Booth and Sweets are given access to a toy company's headquarters after an executive's remains are found packaged with a Prince Charming doll; Sweets prepares for his gun certification test; Brennan worries about motherhood.

After dismembered remains are found in multiple mailing boxes, the team uncovers a complicated love triangle; Booth's grandfather reveals surprising news; Special Agent Genny Shaw (Tina Majorino) learns how important teamwork is.

The team suspects murder when a storm chaser is killed while filming a tornado; Booth becomes increasingly protective of Brennan.

After a cryptic message written in human blood is found at a national monument, the team ends up embarking on a scavenger hunt; Brennan and Booth search for their perfect family home.

When the remains of an escaped convict are found in the sewer, the investigation reveals the man died in prison; Brennan gives birth in unconventional circumstances.

When an extreme couponer's remains are found on the side of a road, the investigation leads the team to the supermarket where she shopped; Brennan adjusts to being at work and away from her baby; Cam is unhappy with her daughter's choice of suitors.

A corpse that has been dyed blue is found in a landfill; when Bones feels uncomfortable in her post-baby body, Booth tries to boost her self-confidence.

Booth and Brennan investigate the death of a truck company employee whose body is found in the woods; Hodgins buys new lab equipment; Brennan worries about Parker's return from England.

When a corpse is discovered in the woods, the team considers two families involved in a nearly century-long feud; Brennan is apprehensive when her father (Ryan O'Neal) offers to baby-sit for her daughter.

While in Los Angeles to consult on a film based on her latest book, Brennan discovers the prop cadaver being used is a murder victim; Booth gets a job offer; embarrassing information about Cam's past comes out.

When a past suspect is back in court on appeal, Booth and Brennan work to prove he is guilty once and for all; Brennan becomes a suspect.

After Brennan is accused of murder, her father (Ryan O'Neal) helps her hide from the FBI; Booth and the team think an evil tech genius (Andrew Leeds) manipulated evidence to implicate Brennan.

A powerful divorce lawyer with a lot of enemies is murdered; the three-month separation between Booth and Brennan starts to take its toll.

After an explosion in a hotel garage, the Jeffersonian team tries to identify victims by investigating remains found at the scene; Sweets works with a temporary partner (Danielle Panabaker) while Booth works on the department's budget.

While investigating the death of an animal expo employee, the team is drawn into the world of animal trafficking; Brennan thinks she would be a good presidential candidate; Sweets and Daisy make a change.

Mac and team rush to help when Matty's former mentor, Ian Cain, and his embassy staff come down with a deadly, mysterious illness; Taylor and Bozer work with Jerry Ortega to infiltrate a Codex cell.

When Mac and the team are unable to prevent sensitive intel from falling into Codex's hands, Mac must scale a vertical cliff using only gear he can cobble together himself to prevent the info's transmission.

While on a mission to hunt down a Codex lead, Mac and the team discover Murdoc hacked their comms and has recorded them for months.

Mac and Riley head overseas together to prevent a governmental collapse and inadvertently inhale new, deadly microscopic technology.

Mac, Desi and Russ go under cover during a royal Indian wedding to protect a princess whose policies could put her life in danger; Bozer suspects Riley is up to her old hacking ways.

Mac and the team delve into the world of Italian car culture to track down a crime boss; Mac must lean on Desi when he discovers that he's losing the ability to control his hands; Mac and Desi move in together.

Mac and Desi travel with Bozer to his childhood home when his aunt dies in a tragic accident; they soon discover she may have been murdered for trying to expose the city's contaminated water supply.

Mac and Riley go missing and wake up 24 hours later in a cornfield with no memory of how they got there; they must unravel the mystery and find out how to get rid of the nanotrackers in their bodies, no matter the cost.

The team searches for a killer whose plane crashed in the jungle with $10 million worth of heroin on board; Grover is thrilled when his niece Siobhan comes to try out for the University of Hawaii basketball team.

Junior and Tani track down the thief who robbed his parents' home; Five-0 investigates the murder of a beloved philanthropist and the theft of his valuable koa tree; Danny moves in with McGarrett.

When Adam's girlfriend is kidnapped right in front of him, he shuts out Five-0 and breaks all the rules in order to get her back; the team investigates three seemingly unconnected homicides.

A tourist helicopter is shot down by a missile; a search for stolen artillery leads to a ghost from McGarrett's past -- Wo Fat; Adam makes a bold decision about his future with Five-0.

When a list of undercover CIA agents is stolen, the team enlists the help of Magnum, Higgins, Rick and TC to get it back and protect national security; Higgins gives Tani some personal advice.

Grover and the team investigate a murder at a private golf course involving a man who was frozen to death in the locker room's cryotherapy chamber; McGarrett tags along with Danny when he tracks down the father of a boy who has been bullying Charlie.

Soon after Danny meets the girl of his dreams, they get into a potentially fatal car accident in an area far from help; McGarrett enlists Quinn and Tani to help when Eddie the dog suddenly shows signs of post-traumatic stress disorder.

When Grover's niece goes missing from the police academy, it's discovered that her boyfriend is an undercover member of the yakuza.

On Valentine's Day, Tani and Noelani are held hostage during a convenience store robbery; the team investigates the murder of a Thai diplomat whose wife confesses to the crime, but Danny suspects she's covering for the real killer.

Harry Langford helps Five-0 investigate some murders that follow the plot of a fabled, unpublished crime novel from the 1920s; Tani and Junior's friendship takes a meaningful new turn.

The team investigates a murder on a cargo ship where pirates impersonated the Coast Guard to board the boat; Adam finally gets the evidence he needs to take down the island's Yakuza operation once and for all.

A rancher is murdered after he uncovers human skeletons where legend says that Civil War-era gold coins are buried; Quinn's former stepdaughter reaches out to her for help after her father doesn't come home.

The team investigates a scheme to rob tourists; Tani helps Girard Hirsh prove the innocence of his elderly uncle when he's suspected of murder; Tani and Junior work on the nuances of being in a new relationship.

After Steve receives a posthumous letter from his mother that contains a cypher, Danny is attacked by someone willing to kill to steal it; Five-0 must help an anonymous good Samaritan who's in the crosshairs of some very dangerous people.

Danny is abducted and badly wounded by Wo Fat's wife, who is after the cypher Steve's mother left him; Steve finally solves the case his father left for him 10 years ago.

Steve McGarret, a decorated Naval officer, returns to Hawaii to investigate his father's murder and is asked to head up an elite police task force.

A brutal carjacking turns into murder, and the team learns that the victim had a gambling problem that could have bankrupted the family business; Alexx hires a body hauler and must investigate when he is accused of stealing from the dead.

The investigators probe what appears to be gang-related gunplay in a hospital emergency room, then discover a cheating girlfriend may be the catalyst for the shooting.

Horatio and the team look for a killer wanted for the murder of a police officer during a traffic stop, but their only lead is an eyewitness report from a suspicious teenage girl.

The murder of a bellboy during tourist season leaves detectives with many suspects, but the luggage he had been loading helps them to uncover a complex counterfeiting operation.

When a woman is swallowed whole by a giant snake, the CSI team suspects that Horatio's nemesis, Clavo Cruz, is behind an operation that uses snakes to smuggle drugs into the country.

Horatio and the team race against time to find a killer who escaped from prison while helping to fight a fire in the Everglades; a local college student is found shot, but the blaze has destroyed the crime scene and evidence.

The team must find the person who caused a jet carrying $1.2 billion in checks to crash in a suburban neighborhood.

When a petty officer is found dead, the team's participation in the annual Red Dress Run comes to a halt.

An extremely intelligent Navy coder -- employed by Brody's mom (Annie Potts) -- is put in danger when the heart intended for him is stolen.

After traveling to Texas to escort a key witness to the trial of an infamous arms dealer, Sonja and Special Agent Pride are ambushed.

During a blackout in New Orleans, Pride is determined to figure out who murdered a family friend's fiance.

A Marine's murder reveals new clues in the first case LaSalle and Pride worked together; a Thanksgiving celebration at Pride's bar.

Wade's adopted son becomes a suspect after a series of Christmas burglaries turn deadly; Brody and LaSalle tease Sonja about the team's holiday gift exchange.

Special Agent Pride and the team investigate a Russian sleeper agent involved with Abby's brother; Sebastian goes to Washington, D.C., to work with Abby; Bishop drives all night to deliver a package and help the New Orleans team.

The staged suicide of a petty officer turns out to be murder; the team secretly works on an online dating profile for Pride.

Evidence suggests that the man responsible for saving a lieutenant's life is a soldier who was captured in Afghanistan.

Special Agent Pride and the team uncover a domestic drug ring -- led by Sonja's childhood friend, Marion Watkins (Samaire Armstrong), that is producing cocaine.

A Navy captain is murdered during an appearance on a local radio show; Pride's daughter comes home to talk about her plans for the future.

Agent Brody sees a connection between the case of a sailor struck by a party bus and the death of her sister; the team gets ready for the city's St. Patrick's Day celebrations.

After Pride's daughter is attacked on campus, the team finds a surveillance van loaded with pictures of the special agent's every move.

The team investigates when a Navy lieutenant is murdered during a traditional funeral procession in the French Quarter honoring the recently deceased.

When a Navy lieutenant dies during a secret visit to a general's hotel, agent Pride and the team are asked to break protocol for the investigation.

Barnaby and Winter stumble across a startling discovery when they find a body engulfed in live rabbits, indicating a creepy side to the local animal show.

A young woman is stabbed to death with a quill at a Jane Austen fantasy event.

Barnaby and Winter uncover multiple motives when the winner of a fought-after music award is found strangled with a violin string moments before a performance, including a rivalry over the prize and a missing Stradivarius.

Barnaby investigates the death of an elderly woman who witnessed a shocking event.

A jewelry heist ends in murder; Delko returns to find the culprit when evidence is stolen from the lab.

When a suburban mother is murdered, the CSIs uncover her family's dark past; Delko continues his undercover mission.

The team investigates its own department when Horatio's ex-girlfriend is killed in an explosion.

A serial killer leaves cryptic hints and dead bodies for the team.

The team loses one of its own when a psychotic genius runs wild in Miami.

When a woman is murdered at an exclusive club, Horatio must search through an elite guest list to find the killer.

When a girl is kidnapped, the only witness to the crime is a blind man who heard the kidnapping; his report leads the team to a suspect who is already in prison.

When the man who killed Horatio's wife breaks out of prison and goes on a rampage, the team tries to determine what he is after.

When a man claims to have dreamed of a murder before it happened, Horatio sends Natalia under cover to investigate him.

When a reality TV star is murdered, the CSIs investigate the show's cast, the obsessed fans, and the stars' hidden pasts.

The CSIs try to determine who is after a fisherman after he narrowly escapes death.

The team must fight for the life of a pregnant woman and her baby after she is assaulted.

When a sugar refinery explodes, the CSIs make a shocking discovery about one of the employees.

When the investigation of a millionaire's death leads the CSIs to an elite dating service, Ryan poses as a wealthy businessman to expose the matchmaker's lies.

After a fire hydrant washes away evidence, the team must re-create a bizarre double murder.

A young roller derby star is found dead in a locker room; the team investigates the murder.

Special agents for the Department of External Services, Angus \.

MacGyver and the team attempt to rescue Jack's former CIA partner who went missing in Venezuela after finding evidence to take down an international arms dealer.

In Malaysia, MacGyver and the team extract a terrorist group's money man who has intel on an impending attack, but when the man is shot, MacGyver must keep him alive in order to learn the terrorists' plans.

Mac and Jack work with a Russian bomb programmer and his alienated handler to defuse a Soviet-era warhead in Moscow; when the antiquated computer breaks down, Mac must find a way to fix it.

MacGyver must fix a sabotaged train to protect a woman who has proof that her boss is selling weapons to enemies of the U.S.

MacGyver must diffuse a bomb planted near the United Nations by his old adversary, the Ghost, then track the criminal down.

When MacGyver goes under cover to break a notorious drug kingpin out of a maximum security prison, he must track the fugitive to the cartel's location to dismantle it after they escape.

When MacGyver faces an international assassin hired to kill him, he must defend both himself and Bozer with only a corkscrew and paper towel rolls; Bozer learns MacGyver's true identity.

When four men from Oregon go missing, the team looks for a common link; J.J. is upset when her son doesn't want to celebrate Halloween.

The team searches for a killer in Miami who started out slaying animals and then quickly progressed to murdering prostitutes; Morgan asks Reid to join the bureau softball team.

The team travels to Santa Monica when burned bodies start showing up on a pier; Rossi gets together with his former Marine sergeant from Vietnam.

The BAU team springs into action when a school bus full of children goes missing near Washington, D.C.

A popular motivational speaker comes under suspicion when a conference attendee is murdered; Garcia is confused when Morgan doesn't want to attend a dinner honoring a family friend.

When multiple dead men are found, the BAU tracks a killer with ritualistic tendencies; Reid is anxious when faced with an opportunity to meet his mystery woman.

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.

Chance is charged with the death of Jacob Calder's illegitimate son, Danny, to avenge Burton Hardesty's death.

Chance Bowman and Jesse James Rader try to save federal agent Cie Baxter, who has been kidnapped by Jacob Calder.

Chance and Jacob Calder form an unusual union after Chance finds Calder was not responsible for his wife's death.

Chance (Lucky Vanous) must rescue Cie Baxter (Lisa Thornhill) when she goes under cover to catch a killer of lap dancers.

A device that can prevent a nuclear meltdown is tracked through the Los Angeles sewers; Walter learns to listen and not offer advice to Paige; the team meets their new neighbor.

Team Scorpion visits a renaissance festival, but the revelry is cut short when a group tries to rob a nearby police evidence locker; Paige grows weary of Walter pointing out the historical inaccuracies at the festival.

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.

The team investigates the death of a private investigator found frozen after being dumped in the Potomac; Aubrey finds shocking information connected to his father's whereabouts.

The team investigates the death of an a cappella singer whose body was found in a lab rat; Hodgins applies for an experimental nerve regeneration study; Booth tries to plan a summer trip with Parker; a new intern joins the lab.

An intoxicated college student discovers the dead body of a Secret Service agent just before a scheduled presidential visit to the area; former intern Dr. Colin Fisher leads the investigation while Brennan battles a case of the flu.

A documentary crew producing a television segment on the Jeffersonian's Medico-Legal lab follows the team as it investigates a corpse found in a landfill.

Booth's hockey knowledge comes in handy when the team investigates the death of a player whose headless corpse was left in the river; Hodgins and Oliver use drones to see who can retrieve the victim's head.

The investigation into the murder of a billionaire explorer who went missing 10 years earlier reveals Dr. Clark Edison as a suspect; Cam's sister visits to help with wedding plans.

A diamond is found in the jaw of a corpse discovered at a glass recycling plant; Booth learns that he has a medical issue; Hodgins thinks a ghost is following him.

The team attempts to find The Puppeteer, a serial killer from the past, who lives with his victim's bodies before disposing of them; Brennan struggles with guilt over not stopping the killer earlier.

Booth and the lab team desperately search for Brennan after she's kidnapped by her former assistant, Zack Addy.

The team investigates whether an artificial intelligence bot was programmed to kill its creator; Bones plans a surprise for her birthday.

The team becomes enmeshed in retirement home drama when the body of an old man is found in an acid dump site; back at the lab, discussion of marriage and kids dominates the conversation.

The team investigates the death of a person from Booth and Brennan's past; Aubrey learns his dad is back in the picture.

Oz puts his life in danger after asking Toby to help an old friend who witnessed a murder.

The team must prove Michelle was set up after a suspect is shot.

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.

The team investigates the possible murder of Jake Sullivan (Tony Hawk), a skateboarder and video-game tester.

When an IRS agent is killed trying to repossess a yacht, and another is shot to death soon afterward, the team searches for the perpetrators in a potential series of murders before tax day.

Horatio gets life changing information about his deceased brother.

When a bitter custody battle ends with a courthouse murder, the team must use the available evidence to find the killer.

When there is a murder at a high-school reunion, the team investigates and learns that popularity issues from the past played a role in the killer's motives.

When a condemned ax-murderer on death row appeals for his life, the team must investigate.

Horatio finally learns the truth about what happened to his brother, and the repercussions will change his life forever.

Horatio finds himself with a price on his head when he makes plans to shut down the illegal smuggling operation of one of Miami's fiercest gangs.

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.

The members of the BAU team track an unknown subject who appears to be fascinated with medical experimentation.

Reid plays a central role in the BAU's elaborate plan to take down a ring of hit men known as the Dirty Dozen.

When corpses are discovered in public places in Boston, a ride-sharing service may lead the team to the killer.

The BAU looks for a suspect and a motive when victims are found in truck stop restrooms in the South.

An 18-year-old woman escapes from the home where she and two other women were held captive for years.

The BAU team combs Los Angeles for a suspect after security footage is discovered, which shows an unknown subject being invited into victims' homes.

When Morgan is abducted, the members of the BAU team race against time to find him and save his life.

The team searches for an unknown subject who takes children while their parents are asleep; Morgan tries to find out who attacked him.

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.

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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.

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.

The team investigates the death of a woman whose body was found in the trash; Booth invites Sweets to stay with him and Brennan until he finds a new place.

While examining bodies deemed unidentifiable, interns uncover the identity of a man who died in the 9/11 terrorist attacks.

A pod containing the remains of a crime-scene cleaner washes onto a beach; Angela and Hodgins learn a secret about Cam.

When a street artist falls into his own adhesive, he also lands on human remains that stay glued to his body; Booth searches a comedy club for suspects.

When a psychic tries to help the spirit of a boy whose death the team is investigating, members of the team start to question their own feelings on life and death.

When the team investigates the death of a dancer who was about to audition for a dance competition show, Booth and Brennan go under cover as contestants.

The team investigates the death of an archaeologist who had just made an important discovery.

When Angela and Hodgins wake to find a corpse in their bedroom, they believe Pelant is behind it; against Booth's wishes, Angela and Hodgins start their own investigation.

The team investigates when two bodies are found at the same burial plot; Brennan and Booth discuss after-death arrangements; Daisy returns for the first time since the breakup.

When a female roller derby skater is killed and dismembered, Angie goes under cover to help solve the case; Cam tries to learn more about Booth's secretive hospital appointments.

While in the hospital after being shot at the lab, Brennan struggles with visions of her mother that defy her usual logic; evidence may link Brennan's attacker to the Jeffersonian.

As the team investigates the death of a seemingly innocent 15-year-old boy, they learn that he was involved in illegal activity.

When a well-educated but eccentric intern starts working at the Jeffersonian, Brennan tries to be more open-minded about scientific questions.

The team investigates the death of a young man whose remains were found at a hazardous waste disposal facility; Cam and Arastoo struggle to keep their relationship secret; Brennan and Booth try to decide where to take their vacation.

The investigation into the death of a former Marine leads the team to a group obsessed with preparing for the apocalypse; Sweets finds an apartment.

The team investigates when an undercover cop turns up dead with a bag of diamonds inside his body; Brennan struggles to be likable as the subject of a documentary film.

In Latvia, MacGyver and his team must defend themselves and a group of U.S. embassy workers from extremists trying to retrieve their leader; Bozer faces an important decision.

Mac and the team search for a kidnapped prodigy from Mac's former middle school; with only pliers and some wire, Mac attempts to rescue the young genius.

MacGyver and Jack must find Riley after she disappears and hacks into the NSA; Bozer embarks on his first mission; Jack reveals his history with Riley's mother.

MacGyver hunts a U.S. government mole who is leaking classified information to the organization trying to take down the Phoenix Foundation; Sarah comes back to help with the mission; Mac can't tell which side Nikki is on.

While returning from capturing a war criminal, Mac and Jack's helicopter crashes, allowing the prisoner to escape.

Mac and Jack must track down a corrupt FBI agent who has framed a man for murder; everyone on the team is terrified to get a performance review from the tough new boss.

When Matty's goddaughter and her boyfriend are killed in a San Francisco park, Mac and the team investigate the crime and start to suspect that the 1970s Zodiac Killer has returned.

While Mac and Jack are tracking a dangerous fugitive, a family of bounty hunters kidnap him; Bozer and Riley try to hack into Jack's CIA file.

Following the abduction of a former NSA cyberterrorism expert, the team must rescue the man and prevent a breach of national security.

An escalating gang war spills into the stands of a high-school football game, killing several people; an unlikely partnership arises.

A violent convict escapes from prison and kidnaps a young couple on vacation; McGarrett's estranged sister comes to town.

When the daughter of the U.S. ambassador to the Philippines is found dead, the governor tasks Five-0 with finding her abducted sister.

When the CEO of a successful surf company is murdered, Kono revisits her past; Five-0 is thrown into the varied but interconnected worlds of North Shore surfing.

A Navy SEAL accused of murder takes hostages and safe haven on a memorial battleship.

When Danny's ex-partner is found dead at a Hawaiian luau the Five-0 team's investigation leads them to some dirty cops and a powerful cocaine cartel.

The team must protect a ruthless dictator from an assassination.

A ring of thieves pulls off the heist of an armored car, killing two security guards and leaving the money behind; Danny must seek his ex-wife's help in the case.

The abduction of a woman and the murder of her husband on their honeymoon becomes the case of the Five-0 team; Dr. Max Bergman (Masi Oka) recognizes similarities to a string of unsolved homicides.

The man who murdered McGarrett's father resurfaces; Chin Ho's life is put in danger during a hostage situation.

McGarrett discovers new clues in his mother's murder when his sister is kidnapped.

After a high-speed chase, the team makes a gruesome discovery; Chin Ho and his former fiancee awkwardly reunite.

The head of the Tsunami Warning Center disappears just as the island is being evacuated for a terrible storm.

The team heads into the jungle to try to find a missing witness in a high-profile murder case before the assassins that are after her.

An afternoon pleasure cruise turns into a nightmare when pirates attack and take hostages.

A rich couple's daughter dies when the family is trapped on a burning yacht in shark-infested waters.

When a teenage tourist goes missing, the team investigates the dark side of Miami's nightclub scene.

Evidence suggests that a confessed killer is actually innocent; Horatio works to collar the actual culprit before the man falls victim to the system.

Three suburban housewives on a weekend in Miami are the prime suspects when their hotel's handsome pool boy is found murdered.

When a woman Horatio has been dating is murdered and he is the last one to see her alive, the team tries to learn who would have the motive and the method to frame him.

A convicted murderer escapes and begins to kill again, and the assailant's original arresting officer, Mac Taylor (Gary Sinise), comes to help Horatio Caine recapture the felon.

Ryan's life is in jeopardy when the team is caught in the midst of a deadly divorce case.

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.

While visiting her family's restaurant in the French Quarter, a Navy culinary specialist is the target of an explosion; in D.C., Brody tracks a lead in the Gen. Leak case.

NCIS teams with Homeland Security when the murder of a Navy master diver is discovered to be linked to the chatter concerning a foreign attack on the city.

The NCIS team discovers a mole in the ranks while helping the Department of Homeland Security locate 900 pounds of missing explosives that are a threat to New Orleans.

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.