On Halloween, the team hunts a serial killer who mimics murders from a cult slasher film Jerry is abducted by counterfeiters.
Grover is forced to steal $100 million when a nemesis kidnaps his daughter Wo Fat goes back to Oahu after escaping from prison.
Catherine and McGarrett go to Afghanistan to help a young boy, whose family saved Catherine years earlier.
A murder investigation leads the team to uncover a possible terrorist cell planning an attack on U.S. soil.
Danny and McGarrett are trapped inside an abandoned building rigged to explode.
The daughter of a macadamia nut tycoon is killed with a stiletto heel during Chin's high school reunion.
A man is shot as his daughter is abducted Danny tries to reunite his parents Jerry finds a code on McGarrett's champ box.
A triple homicide is linked to a secret, downed Chinese satellite Danny's mother goes on a ride-along with Grover.
Pride and his bar patrons are held hostage by a group of volatile thieves.
Percy and Lasalle go under cover 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, 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.
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 a body is found clutching a 300-year-old finger bone, Booth and Brennan's investigation leads them to a dive site where a pirate may have buried his treasure.
The investigation of the bones of a shooting victim leads to a counterfeiting ring.
When the remains of a filmmaker are found in the ventilation shaft of an underground tunnel, Brennan and Booth discover a subterranean world of homeless people.
Extensive plastic surgery hides the identity of a body whose parts were found near an airport.
Construction workers find a skeleton in an old fallout shelter from the 1950's and the Jeffersonian is brought in to help identify the remains when Zack cuts into the bone, he accidentally releases spores of the deadly fungus Valley Fever, causing the team to be quarantined in the lab over Christmas while everyone tries to maintain the holiday spirit, Brennan buckles down to solve the mystery of the fallout shelter.
A girl's decomposed remains are found in a refrigerator, leading Brennan to confront her former mentor.
Brennan and Booth race the clock to tie up loose ends before the defendant in Booth's first FBI case is executed for the crime.
Angela and Brennan are caught in a melee at a hip-hop club, when a wall breaks open and reveals a mummified corpse and a stash of drugs.