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.

Rita Devereaux tells Pride that Douglas Hamilton is about to make a deal to get out of prison; Pride and the team re-investigate the Clearwater case in hopes of spoiling his plans.

After a deadly armed robbery and high-speed chase is linked to an undercover ATF operation, Percy reconnects with her former ATF partner.

Sebastian's high school friend asks for help when her business partner is killed at a gaming convention; FBI Special Agent Raymond Isler believes Adrian is the hacker that the Cyber Crimes division has been tracking for years.

A petty officer's murder leads the team to a nightclub where Pride's mother used to perform; LaSalle must return home to Alabama after receiving an unexpected call from his family.

A petty officer is murdered while in town to help a refugee family; Wade works on the special election campaign for Mayor Zahra Taylor that takes place during Mardi Gras.

FBI Special Agent Raymond Isler asks Pride for help with an off-the-books opioids theft investigation he is personally invested in; Percy works under cover as a getaway driver, with Isler as the muscle for a job tied to the case.

A congressional aide disappears after a hit man saves her from two men posing as NCIS agents; LaSalle struggles with life-altering decisions regarding his brother's future.

The team investigates the murder of a Navy captain who was searching for a priceless 200-year-old fleur-de-lis during the annual Louisiana Pirate Festival.

When the team must locate a girl who purchased a gun from a junkie, it discovers that the firearm, over the course of decades, has affected all of the teammates' lives.

A murdered man's body may hold the key to a 20-year-old case involving a kidnapped girl whose father never stopped looking for her.

Adam investigates the murder of an undercover FBI agent who was about to wed the daughter of a Yakuza leader; Noelani is held hostage and forced, along with her mentor Dr. Chu, to operate at gunpoint on a criminal.

McGarrett helps his sister spy on her shady neighbors; a ride-share driver and his passenger are murdered; the team teases the youngest members when Junior escorts Tani to a wedding.

Fugitive hacker Aaron Wright resurfaces to ask for help when his co-workers at the NSA are murdered; Junior speaks at the parole hearing of the drunken driver who killed his sister.

Five-0 continues to hunt down escaped criminal Aaron Wright before he can sell cyber-weapons to the highest bidder; the lives of McGarrett and the team members are put in danger when a visitor comes to headquarters to make amends.

A new ally helps McGarrett and the team when mob bosses on the island are targeted by an assassin; the team says goodbye to one of its own.

Tani and Junior must plot an escape for themselves and several civilians after they become trapped inside a deadly tunnel collapse; Eddie the dog sniffs out a bomb that has been planted in McGarrett's home.

A plane that mysteriously crashed into the Pacific in the '80s is found, but with a recently murdered scuba diver inside; McGarrett and Quinn zero in on who planted the bomb in his garage; McGarrett formally asks Quinn to join the team.

Five-0 enlists imprisoned hacker Aaron Wright to help when a young girl is reported kidnapped.

The team investigates a home invasion that turned deadly after a dangerous "monster" escaped from the basement; Max returns to Oahu with a very special guest.

A deadly hit-and-run involves a driverless car carrying heroin; Tani and Quinn are stuck with a pair of YouTubers who are brought on a ride-along.

When the CIA informs McGarrett that his mother has gone rogue on her undercover mission and may have killed her partner, Steve goes to Mexico to bring her home and prove her innocence.

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.

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 mental faculties of the geniuses of Team Scorpion are impaired while trying to prevent the creation of a black hole; Paige must simplify the science for them; Florence and Sylvester grow closer when she helps him with a special project.

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.

A Mardi Gras celebration at Pride's bar is cut short when he and Mayor Douglas Hamilton (Steven Weber) are abducted by unknown assailants.

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.

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 joins forces with several federal agencies to stop a sniper who has been targeting crowded events in the city; FBI Special Agent Tammy Gregorio begins investigating Pride's team.

Pride faces more repercussions from the FBI after he helps a former Navy Intelligence Analyst who is the primary suspect in a multiple homicide case.

After the discovery of a petty officer's body inside a sports arena, evidence leads Pride and the NCIS team to a kidnapping case of another petty officer, last seen in Mexico.

The NCIS must come to the rescue of one of its own when Sebastian is kidnapped while dining in a restaurant with his mother; Sebastian relies on his gaming skills in a prison break.

The NCIS and the FBI investigate a private plane crash in the bayou that killed three sailors; Sonja and Lasalle interview candidates for a job opening on the team.

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

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

The team is taken hostage when it inadvertently crashes a bank robbery in progress; Sylvester's feelings for Florence grow.

Team Scorpion heads to the bayou to track down a cagey alligator to stop a deadly virus; Paige teaches Walter the concept of the "white lie"; Walter hits Cabe with a tranquilizer gun, and Toby must save his life.

Team Scorpion must use their high IQs to win a softball game; Walter's secret night out with Florence puts Toby and Happy on edge.

Paige's maternal side goes into high gear when an unconscious boy gets stuck in the wheel well of an airborne airplane; Walter's white lie to Paige starts to take a toll on him; Paige realizes something is amiss.

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.

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

The Five-0 helps a private investigator in the case of a kidnapped woman whose husband may have something to hide; Rachel tells Danny that she is getting a divorce from Stan.

McGarrett and the Five-0 are captured while tracking a dangerous nemesis to the island of Lanai; Grover takes his son to Chicago, where he testifies against a dirty cop.

McGarrett works the murder case of one of the last survivors of the USS Arizona; Adam uncovers bone fragments at his new construction job.

Danny protects a coma patient who was the key witness from his last case at the Hawaiian Police Department.

McGarrett gets a tip that someone is plotting a terror attack on Oahu; Chin and Abby face a difficult decision.

McGarrett risks his life when Five-0 attempts to rescue the young girls trapped in the sex trafficking ring they have been tracking; Kono makes a life-changing decision.

McGarrett and Danny recruit Tani Rey to join the task force when a hacker releases a dangerous arsonist from prison.

McGarrett and the team work with an injured police dog that is the only witness to an ambushed drug bust; a former SEAL looks to join the task force.

The team enlists an old friend when a crime boss is murdered, triggering revenge killings across the island; MacGarrett and Danny work out details concerning their new restaurant venture.

When the HPD system is hacked and one of the Five-0's informants ends up dead, McGarrett enlists the help of hacker Aaron Wright, whom he just imprisoned.

At Halloween, the team investigates a string of murders that mirrors stories from well-known Hawaiian folklore; Grover visits a man who is hours away from execution and may hold the key to a case that has plagued Grover for years.

The murder of two tourists leads the team to a man who has multiple personality disorder; Danny and the others hire a stress management consultant to help McGarrett.

A bank heist in progress forces Steve to make a potentially heartbreaking mistake; Adam faces an empty home without Kono.

McGarrett poses as a pilot to investigate a plane crash that led to the death of a pilot in an air race.

McGarrett, Danny, Tani, and Junior are exposed to a deadly biological weapon; the rest of the team has eight hours to find an antidote.

MacGyver gets a shocking surprise when he tries to tell Matty he's quitting the Phoenix Foundation.

Three months after quitting the Phoenix Foundation and moving to Nigeria, Mac puts aside his differences with his father and returns when he hears Jack is the target of a murderous dictator he double-crossed.

Jack receives an emergency distress signal from one of his old Delta buddies who has been accused of terrorism in a foreign country; MacGyver and Jack quickly recruit the rest of Jack's old Delta team and stage an unsanctioned rescue operation.

MacGyver and the team go under cover on a college campus to find an operative who is recruiting students to carry out deadly attacks; Jack joins bounty hunter Billy Colton in the hunt for a bail jumper.

MacGyver and Riley must find a way to drive a tanker filled with liquid oxygen through a region occupied by rebels and deliver it to a children's hospital; Riley helps MacGyver decide whether or not to allow his father back into his life.

Mac and Jack rush to Mexico to help capture the leader of a drug cartel while the country celebrates Dia de Muertos.

Murdoc abducts MacGyver's girlfriend to force Mac to help him rescue his son from a kidnapper; a dangerous person from Murdoc's personal life shows up, giving Mac a glimpse into the villain's past.

Matty sends the team to Ghana to recover a hard drive from an e-waste landfill that is run by a powerful and violent man, leading them to speculate about what could be on the device.

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.

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.

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 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 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.

The team investigates the murder of a food scientist whose body was put through a meat grinder and mixed into canned stew; Angela puts together a post-wedding bachelorette party for Brennan.

When a gymnast's remains are found in a park, Booth and Brennan discover she was living a double life; Cam confronts the woman who stole her identity.

The team investigates when the remains of a girl who died 18 years earlier are delivered to Brennan and Booth's house; Brennan dreams about Pelant.

The team investigates the death of a country music singer whose remains were found in a shallow grave; Brennan takes a look at Wendall's injuries after he breaks his arm during a hockey game.

Sweets goes undercover in the chess world to find a killer; Cam gets a science award but fears offending Brennan, who feels she deserves it; a sunny new podiatrist intern annoys Brennan.

The team investigates the murder of a kidnap victim whose remains were found at a park; Hodgins makes a discovery about his family; Brennan and Boothe consider co-mingling their money.

Booth and CIA agent Danny Beck (Freddie Prinze Jr.) must track down a terrorist after a CIA informant is murdered; Brennan and Booth must consider the ramifications when Brennan wants to do more work in the field with Booth.

When the remains of a repo man are found in a septic tank, the team learns he had a troubled past; a forensic anthropologist (Ignacio Serricchio) who has defected from Cuba needs an internship.

When an actor known for playing a popular character on a kids' TV show is murdered, unexpected suspects are discovered; Brennan and Booth plan a party for Christine's birthday; Clark asks for opinions on his novel.

When a wealthy artifact collector walks into his own funeral, the team must determine the real identity of the deceased; Finn's new hot sauce venture is making big money.

The remains of a former art student are found in a log in a forest; Wendell returns after beginning cancer treatments; Booth prepares for an FBI competency test.

The team investigates the death of a woman whose body was cryogenically frozen before being dumped in a swamp; Cam is nervous to meet Arastoo's parents; Booth is up for a promotion.

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.

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

The team must stop a gang of suspected murderers that is targeting a new victim nightly.

The team must investigate targeted killings in Florida while each member is dealing with feelings about losing Prentiss.

A stalker in San Diego targets college students; Strauss scrutinizes the team after the loss of Prentiss.

The team travels to a North Carolina town where one woman was found badly injured and another is missing, and discovers those may not be the only victims.

The team investigates when bodies are found buried beneath the ocean floor off Florida; Morgan is rattled when his aunt thinks her missing daughter is one of the victims.

The team investigates a suspected human trafficking ring; Hotchner suggests changes are coming; J.J. returns to the team.

A Senate committee questions the members of the BAU team; a familiar face may help keep the team united.

The BAU team investigates a series of murders in Oklahoma; Reid gives JJ and Prentiss the cold shoulder.

After a mass murder at an Internet security company, evidence indicates that the person responsible is not a typical serial killer; Prentiss is required to complete recertification training.

A killer targets survivors of a high-school massacre, who have gathered for a reunion; Hotch fears that his son is being bullied.

A series of children are abducted from troubled women in St. Louis; Rossi's first wife shares shocking news.

The team investigates when multiple bodies are found in a national forest; Rossi faces an agonizing decision.

The BAU investigates when bodies are exposed by tornadoes in Kansas; pressure at work affects J.J. at home.

A woman in Garcia's survivors' support group goes missing on the seventh anniversary of her daughter's disappearance.

The team investigates when an apparent mass suicide takes place at a military academy; Morgan and Hotch clash.

The investigation of a series of bludgeonings in Philadelphia leads the team to the city's boxing scene; Hotch connects with a fellow runner while training for the triathlon.

A series of murders makes the team wonder if a notorious killer has returned; Reid wonders if he could be doing more with his abilities.

A serial rapist resurfaces in Houston and assaults his past victims; Prentiss attempts to overcome last year's trauma.

The team investigates ritualistic casino-related murders in New Jersey; a fight with her boyfriend makes Garcia think she and Morgan have gotten too close.

The team discovers multiple bodies hidden in lifeguard towers along the coast of Southern California.

An Irish military intelligence officer claims to know the whereabouts of a lethal bomb maker whom Mac has been hunting for years.

When a vial containing a deadly virus is stolen from the Center for Disease Control in Atlanta, MacGvyer and team race to recover it before the thief unleashes a global pandemic.

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.

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 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 undercover 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 undercover 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.

Pride, Sebastian and Tammy travel to South America after Pride is personally requested by a former colleague to assist with a classified operation that has been compromised.

Percy and LaSalle go undercover at a high-stakes poker game after the organizer targets players with access to a naval research laboratory; Laurel Pride visits her dad during spring break to discuss options after her upcoming graduation.

Pride and his bar patrons are held hostage by a group of volatile thieves.

Gregorio calls on her former behavioral science professor when the team's latest case matches one she studied during FBI training.

A journalist posts a scathing article documenting Pride's "reckless use of justice"; the team is concerned about the fallout from the piece and the confidential information revealed; Rita Devereaux tells Pride it is a coordinated attack on him.

Pride assembles an off-the-books team to search for a loophole when he faces a grand jury indictment for abuse of power.

Pride's teams uncover a sinister plot during the New Orleans Tricentennial Fleet Week celebration.

While Pride fights for his life in the ICU, the team scours the city for the hit woman who attempted to assassinate him.

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 Hirsch 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.

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.

The team heads to Northeast Africa, where they must carefully navigate a minefield to save the lives of local villagers; Paige and Walter's relationship takes a shocking turn; Toby and Happy make an important decision.

When a crisis at LAX prevents dozens of airplanes from landing, the government brings in a group of misfit geniuses to sort things out.

The team is called upon by the governor when a virus leaves his daughter with only 24 hours to live; Walter receives a letter about his sister.

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

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

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

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

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

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

After thousands of classified government files are stolen, the NCIS team searches for an underground group of hackers who were co-founded by Elvis Bertrand, Pride's old contact.

NCIS agents McGee and Torres head to New Orleans to partner with Pride and his team in the search for the missing homeland security theoretical terror playbook.

Painful memories come flooding back when a gruesome copycat murder leads to the reopening of a case for Wade.

Pride's longtime friend, state and military attorney Rita Devereaux, asks NCIS to investigate the disappearance of a JAG lawyer who specializes in classified cases and volunteers at a private military academy.

A highly skilled special operations Marine assaults six men in a bar, sending the NCIS team on a city-wide manhunt.

Tammy is reunited with her ex-husband, Ethan McKinley - who embezzled millions in Katrina relief funds - after he's tied to the murder of a crime boss' son.

A deadly accident at a naval base exposes a unit of Seabees to a super virus and leaves the rest of the base and the city of New Orleans at risk for an outbreak; Wade is infected with the virus and given hours to live.

Lasalle must investigate his former partner in the Vice unit after the NCIS team finds a link between an international drug ring and the New Orleans Police Department; Rita looks into a connection between the mayor and illegal activity in Clearwater.

Pride listens in on a wiretap of Mayor Hamilton; the NCIS team investigates when Navy weapons get stolen in a train heist; featuring musical performances by Sheryl Crow.

The murder of a Navy chaplain leads Pride to uncover a possible connection between Mayor Hamilton and illegal activity taking place in the city of Clearwater; Percy continues to face repercussions of her choices on a previous case.

When Pride is spotted tracking one of Mayor Hamilton's accomplices on a crowded street, the suspect opens fire, putting innocent lives at risk before disappearing.

Unable to trust anyone in New Orleans, the NCIS team calls in FBI Assistant Director Isler to help expose and stop Mayor Hamilton's sinister scheme.

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 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.

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.

Danny is shot while quarantined in the hospital; unconscious, he clings to life and imagines a future for everyone.

Danny tells Charlie a bedtime story about a case involving bad Santas and a holiday miracle.

When an FBI agent who was cracking down on organized crime is killed, McGarrett rounds up every gang-related criminal on the island to find the culprit responsible for the murder.

Grover must prevent a man who is accused of killing his wife from committing suicide.

The corpse of a diamond smuggler is stolen from a graveyard; Five-0 tracks down his partner, who is determined to retrieve their latest batch of contraband; Adam recruits a new, confidential informant; Tani gets a devastating call.

McGarrett and Danny investigate the murder of a private detective whose client was killed the same way; Adam sends Jessie into a dangerous situation with disastrous consequences; Danny's uncle comes to town to help with the restaurant.

Tani and Junior go under cover as prospective parents to infiltrate a private school where the headmaster was murdered; Adam's life is on the line when he is held captive and forced to produce a massive amount of money.

Adam's mission to take down organized crime goes sideways when the bait he uses falls into the wrong hands; Adam begins to doubt Jessie's allegiance.