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The Hawaii Five-O team loses a member while another must chose between kidnapped loved ones on the show's season finale.
When McGarrett finally captures Wo Fat, he realizes that the Japanese Yakuza want to kill them both on Hawaii Five-O.
Five-0 and the NCIS: Los Angeles task force team up in Hawaii when there's a suspect on the loose who is threatening to release a deadly virus into the population
A murder case hits very close to home for Max this week. He's convinced that a serial killer with ties to his past is behind it.
Steve's sister is arrested on smuggling charges this week, forcing McGarrett to enlist the help of a former diamond smugger in order to clear her name.
James Caan joins his son on this episode of Hawaii Five-0. He plays a retired NYPD bomb expert.
The team looks into the murder of a man dressed as a Hawaiian NaKoa warrior on this week's episode of Hawaii Five-0.
It's Valentine's Day on Hawaii Five-0. As a result, the crew attends a black tie event.
Mai Ka Wa Kahiko is translated to "Out of the Past" and that's apt this week, as a dirty cop comes back into Danno's life.
Brace yourself, McGarrett. The character learns shocking news about Joe on Hawaii Five-0 this week.
A teen girl is found dead on this episode of Hawaii Five-0. The team must determine why she was even a target.
Hawaii Five-0 closes out 2011 with an exciting event: the wedding between Chin Ho and Malia!
The team runs into a dangerous scenario on Hawaii Five-0 this week, as children on a school bus are kidnapped.
It's off to North Korea on Hawaii Five-0 this week. The team goes there to assist Jenna Kaye.
Danny crashes on Steve's couch this week, while a body is discovered in the trunk of a stolen vehicle.
A suspicious plane crash is at the center of this episode. The team finds out that the customs agent on board was dead prior to the flight.
Robert Englund guest stars on this episode of Hawaii Five-0. It focuses on the death of a couple that had been filming a documentary.
White squares off against Wo Fat this week. Read on for a rundown of the latest Hawaii Five-0 episode.
Chin Ho and Steve question Kono this week. Internal Affairs Captain Fryer also steps in and plays a role.
A deep sea diver is found dead this week. McGarrett and Officer Weston look into the case.
A Navy SEAL is found dead this week. Meanwhile, Chin Ho starts to worry about Kono and the people with whom she's associating with.
Lauren German debuts as Lori Weston on this episode of Hawaii Five-O.
Terry O'Quinn debuts on the season two premiere of Hawaii Five-O. It picks up in the aftermath of the finale's shooting.