Chin's life is put in danger when a murder investigation reveals that the person behind the crime may be a serial killer. Meanwhile, Danny and Grace find a mysterious puzzle box washed up on the shores of Oahu. Heather Dubrow guest stars. (TV-14 V)
The attempted murder of a Pearl Harbor veteran leads Five-0 to use decades old evidence to investigate a deadly crime committed within the internment camps on Oahu during World War II. Actual World War II veterans were extras in the filming of a remembrance ceremony at the Battleship Missouri Memorial. (TV-PG L, V)
McGarrett and Grover must work together to protect national security after they are tasked by the Governor to serve a warrant to a young computer hacker. Nick Jonas guest stars. (TV-14 L, V)
While working the murder case of an undercover ATF agent, McGarrett and the Five-0 team are tasked with watching Mary's newly adopted baby after she gets sick. (TV-14 V)
As Catherine's seemingly harmless surveillance job takes a deadly turn, Adam considers making the ultimate sacrifice to save Kono. Terry O’Quinn Returns as Joe White. (TV-14 L, V)
A conspiracy theorist helps Five-0 when a missing artifact is the key to solving a double murder. Jorge Garcia guest stars. (TV-14 V)
After McGarrett and Wo Fat narrowly escape from maximum security, gunmen storm Five-0 headquarters, compromising Kono and Adam's secret location in Hong Kong and forcing McGarrett to break the law and turn on his own in order to find a kidnapped Catherine. Chi McBride and Henry Ian Cusick guest stars. (TV-14 V)
Go behind the scenes with costume supervisors Anthony Scarano and Michelle Moder as she previews the murder weapon that you, the fans, get to vote on starting January 10, 2014. Visit CBS.com/H50vote now!
As Chin heads out to investigate if a crime has taken place at a resident's place, he becomes the victim of a killer's rage.
As Kono heads out to look for Adam, Five-0 gets a case the day before Christmas.
Go behind the scenes with Prop Master Jane Gulick as she previews the murder weapon that you, the fans, get to vote on starting January 10, 2014. Visit CBS.com/H50vote now!
Danno and Grace find the owner of a mysterious puzzle box and help in a transcontinental Christmas miracle.
Remnants of a washed up puzzle box catches Danno off guard.
As the residents of Hawaii quietly prepare for Christmas to arrive, an uninvited guest picks the wrong house to enter.
Seeing another innocent victim being kidnapped, Chin mounts a dangerous rescue operation.
Detectives Steve McGarrett, Danny Williams and Chin Ho Kelly provide law and order in Hawaii.
Hawaii Five-0: Season 1 clip - starring Alex O'Loughlin, Scott Caan, Daniel Dae Kim, Grace Park, Taryn Manning.