(Mother and Son) Five-0 must free McGarrett’s mother, Doris, when Catherine informs them that she was captured and is about to be executed after attempting to free Wo Fat’s imprisoned father. Also, Chin loses his appeal to have Sara’s adoption delayed, and she must move to Mexico.

The episode was rated 7.72 from 1504 votes.

(Handle with Care) McGarrett and Danny finally track down the missing uranium, which has been used to build a bomb located in the middle of the jungle. Now, they must carefully extract the unstable explosive through treacherous terrain before it detonates.

The episode was rated 7.74 from 1663 votes.

(The Fire of Kamile Rises in Triumph) Five-0 must find McGarrett and Alicia when they are kidnapped by the serial killer they’ve been hunting.

The episode was rated 7.74 from 1554 votes.

(The Water is Dried Up) McGarrett and Five-0 are captured and face certain death after tracking a dangerous nemesis to the Island of Lanai. Also, Grover takes his son to Chicago where he testifies against a dirty cop from his past.

The episode was rated 7.75 from 1543 votes.

(Black Tears) While working the murder case of one of the last survivors of the USS Arizona, McGarrett learns about his grandfather’s important role at Pearl Harbor. Also, Adam uncovers bone fragments at his new construction job and asks Jerry to help him discreetly investigate.

The episode was rated 7.76 from 1590 votes.

(Hunting Monsters) McGarrett and Five-0 once again become entangled in the twisted mind games of serial killer Dr. Madison Gray when she stumbles into HPD covered in blood that matches Alicia Brown’s, and claims amnesia.

The episode was rated 7.77 from 1610 votes.

(Prelude) Danny protects a coma patient showing signs of waking, who was the key witness from his last HPD case before he met Steve and joined Five-0.

The episode was rated 7.79 from 1553 votes.

(Exodus) McGarrett and Kono suspect that an abused young girl may be the victim of a sex trafficking ring on the Island. Also, Chin and Grover investigate a murder at a sober living facility.

The episode was rated 7.80 from 1640 votes.

(Ready to Play?) When the bodies of two serial killers are found on Five-0 property with chess pieces in their mouths, McGarrett and the team hunt for a vigilante as fear grows that tourists aren't safe in Hawaii.

The episode was rated 7.81 from 1658 votes.

(Snatchback) Five-0 races to Mexico where Chin puts his life on the line after his niece Sara is kidnapped.

The episode was rated 7.82 from 1593 votes.

(Two Days in November) A conspiracy theorist with compelling evidence that JFK’s cabinet ordered his assassination is murdered. Five-0 investigates and delves into one of history’s most fascinating unsolved mysteries.

The episode was rated 7.82 from 1555 votes.

(A Croaking By Hina’s Mudhen) When McGarrett gets a tip that someone is plotting a terrorist attack on Oahu, Five-0 searches for those behind it before it’s too late. Also, Chin and Abby have a very difficult decision to make.

The episode was rated 7.84 from 1594 votes.

(Rite of Passage) Danny chaperones Grace’s winter formal but terrorists seize the venue and hold everyone hostage in order to kidnap a diplomat’s son. Also, Danny and Grover are shocked to learn that Will is Grace’s secret boyfriend.

The episode was rated 7.87 from 1552 votes.

(The Clouds Always Return to Awalua) As Max prepares to say goodbye to his Five-0 ohana, they must investigate a murder during a police convention on the Island.

The episode was rated 7.87 from 1612 votes.

(The Life of the Land is Perpetuated in Righteousness) McGarrett risks his life when Five-0 attempts to rescue young girls trapped in a sex-trafficking ring. Also, Kono, deeply affected by the case, makes a life-changing decision.

The episode was rated 7.88 from 1532 votes.