(Fire in the Sky) Five-0 investigates a triple homicide connected to a downed top-secret Chinese satellite, while Grover takes Danny’s mother on a ride-along.

The episode was rated 7.94 from 629 votes.

(Fair Winds and Following Seas) McGarrett and Catherine travel overseas to Afghanistan to stop the Taliban from harming a young boy whose family saved Catherine's life years ago.

The episode was rated 7.96 from 653 votes.

(Reunited) Five-0 investigates when the daughter of a macadamia nut tycoon is murdered with a stiletto heel during Chin’s high school reunion.

The episode was rated 7.97 from 648 votes.

(Fish Out of Water) As the Five-0 team members investigate a murder, they are led to a Texas ranger who came to Hawaii to look for his daughter; Adam and Kono fight to stay alive.

The episode was rated 7.97 from 660 votes.

(Happy Thanksgiving) As Thanksgiving approaches, Five-0 investigates the murder of a secret service agent just as the President travels to Oahu. Also, McGarrett's Aunt Deb visits, bringing with her a shocking secret.

The episode was rated 8.00 from 673 votes.

(Beneath the Surface) Five-0 aims to uncovers the sordid truth when a girl is taken from her home and her father is shot in the process. Meanwhile, Danny tries to get his parents back together and Jerry deciphers a code he found on the bottom of McGarrett’s champ box.

The episode was rated 8.01 from 650 votes.

(Sins of the Father) McGarrett and Danny are kidnapped by an escaped convict who wants Five-0 to prove he is innocent. Meanwhile, Grace gets into trouble when she punches someone at school.

The episode was rated 8.02 from 640 votes.

(Reluctant Partners) 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.

The episode was rated 8.03 from 672 votes.

(Now and Then) Captain Grover is aided by McGarrett in his search for a friend who has disappeared, after it seems like he's committed murder. Kono persists in her quest to find Adam.

The episode was rated 8.06 from 681 votes.

(Family Comes First) When Grover's daughter is kidnapped by an old nemesis, he is forced to help steal $100 million in order to get her back. Meanwhile, Wo Fat escapes prison and heads back to Oahu.

The episode was rated 8.08 from 664 votes.

(Keepsake) 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.

The episode was rated 8.09 from 659 votes.

(The Truth Within) A conspiracy theorist helps Five-0 when a missing artifact is the key to solving a double murder.

The episode was rated 8.10 from 668 votes.

(We Need Each Another) 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.

The episode was rated 8.13 from 723 votes.

(Blood Brothers) Five-0 is set up when a bad tip leads them to an abandoned building that is rigged to explode with McGarrett and Danny trapped inside.

The episode was rated 8.13 from 666 votes.

(Honor Thy Father) 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.

The episode was rated 8.27 from 676 votes.