McGarrett is rocked to his core when Chin Ho tells him some shocking news about Joe White. Meanwhile, Danny plays mid-wife for his ex-wife when she goes into early labor

Five-0 investigates when a teen girl is murdered by a professional hit man. Steve and his team must first determine why she was a target before they can locate her killer.

Teens discover a body in an abandoned World War II bunker. Meanwhile, Chin Ho and Malia get married.

Schoolchildren riding on a bus are kidnapped.

An unidentified body is found in the trunk of a stolen car following a high-speed chase. Meanwhile, homeless Danny takes up residence on Steve’s couch

Five-0 investigates a suspicious plane crash and the death of a customs agent who was on board. The case takes a twist when the probe reveals the victim was dead before the plane took flight. Meanwhile, Danny becomes the proud caretaker of an orphaned dog

A young couple filming a scary documentary about a traditional Hawaiian burial site are murdered. Robert Englund guest stars

A wealthy restaurant owner is murdered and the investigation leads McGarrett to take part in a charity mixed-martial-arts fight. Meanwhile, NCIS agent Kensi Blye (Daniela Ruah) is asked to examine a video of Steve’s father. Chuck Liddell guest stars.

Internal Affairs Officer Vincent Fryer interrupts Chin Ho Kelly and McGarrett as they question Kono after she’s arrested for breaking the law

McGarrett and Officer Weston (Alex O’Loughlin, Lauren German) investigate the murder of a deep sea diver known for his shipwreck finds and his recent recovery of Spanish galleons