Season 2

October 3, 2011

At his mentor's request, McGarrett persuades Max to redo the autopsy on a SEAL, thought to have committed suicide, in order to investigate his murder. Meanwhile, Chin Ho worries about Kono hanging out with a group of dirty ex-cops, including Frank Delano.

October 10, 2011

The Five-0 take to the beautiful waters off Hawaii to investigate the murder of a deep sea diver known for his valuable shipwreck finds.

October 17, 2011

The FIVE-0’s investigation into the murder of the state’s women’s volleyball coach leads them to find out more bad news about Kono, and Chin Ho reconnects with his former fiancée, Malia.

October 24, 2011

The FIVE-0’s investigation into the murder of a wealthy restaurant owner causes McGarrett to take part in a charity MMA fight to the finish. Meanwhile, NCIS Agent Kensi Blye lends her expertise to McGarrett and Lt. Commander White when they ask her to examine a video of McGarrett’s father.

October 31, 2011

When the Five-0s investigate the murder of a young couple filming a spooky documentary about a traditional Hawaiian burial site, they are threatened by a drifter who puts a curse on Danny.

November 7, 2011

FIVE-0's investigation into the suspicious plane crash and death of a customs agent takes an unexpected turn when it is revealed that the victim was dead before takeoff. Meanwhile, Danny finds himself the proud caretaker of an orphaned dog.

November 14, 2011

When the Five-0 discover a John Doe in the trunk of a stolen car, they not only have to find a killer, but also need to figure out who the physically-altered victim was. Meanwhile, a homeless Danno is sleeping on McGarrett’s couch.

November 21, 2011

McGarrett finds himself in need of the Five-0’s help when he goes to North Korea with Jenna Kaye to deliver a ransom to rebels who are holding her fiancé hostage. Meanwhile, the Five-0 investigate the murder of an investigative reporter who seems to have ties to Jenna.

December 5, 2011

McGarrett and the Five-0 search for a busload of kidnapped school children as well as the people responsible.

December 12, 2011

On the eve of Chin Ho’s wedding to Malia, the Five-0’s investigation into a man left for dead in an abandoned WWII bunker crosses paths with Capt. Fryer’s case of a Jane Doe.

January 2, 2012

When the Five-0 team discover that the murder of a High School girl was a professional hit, they must find out why she was targeted before they can find her killer.

January 16, 2012

Chin Ho shares news about Joe White that rocks McGarrett to his core; Danny is forced to play midwife when his ex goes into early labor.

February 6, 2012

When Danno and his family are targeted by a vengeful dirty cop from Danno's past, the team steps in to help.

February 13, 2012

When the team almost causes an international incident, Lt. Gov. Denning decides that one of them should be fired; Chin Ho faces the harrowing task of choosing a Valentine's Day gift for Malia.

February 20, 2012

Five-0 investigates the murder of a man dressed as a Hawaiian NaKoa warrior found in the jungle near the site of a historical war reenactment

February 27, 2012

Five-0 crosses paths with Tony Archer, a retired NYPD bomb expert who is now a private investigator on Oahu, when they investigate the death of famous talk radio DJ Bobby Raines.

March 19, 2012

When McGarrett's sister is arrested for smuggling diamonds, he enlists the help of an ex-con to set up a sting.

April 9, 2012

A murder case hits close to home for Max when he is convinced that The Trashman, a serial killer with ties to his past, is on the loose. In order to convince Five-0 of his suspicions, Max reveals shocking information about his childhood.

April 30, 2012

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. The crossover continues on NCIS: Los Angeles S03E21 Touch of Death (II).

May 7, 2012

Just as McGarrett finally gets his hands on his arch nemesis Wo Fat in a special ops raid, he’s blindsided when he finds that the Japanese Yakuza is hot on their trail and wants them both dead.

May 14, 2012

Five-0 is in hot pursuit of a shooter who guns down one of their own, while another team member is forced to choose which of their kidnapped loved ones will live.