In the season finale, the competitors are actor Joey Lawrence vs. TV host Mario Lopez and actor Edward Asner vs. comic Vicki Lawrence. ...

An autistic boy obsessed with trains, appears to have killed a security guard when he unexpectedly moved a train. Pierce realizes he actually prevented a railroad collisi ...

The Cyber team must track down a bomber fixated on revealing the truth about society's overreliance on technology. ...

Bobby works for Mr. Strickland as his golf caddy for the summer. Peggy and Minh race each other to see who can donate the most blood. ...

Bobby secretly becomes a rodeo clown. ...

When Danny is shot while quarantined in the hospital with McGarrett, Tani and Junior, he's left unconscious and clinging to life, imagining a future for everyone in Five- ...

At Halloween, Five-0 must investigate a string of murders that mirror stories from well-known Hawaiian folklore. Also, Grover is called to visit a man hours away from exe ...

McGarrett and Danny recruit Tani Rey (Meaghan Rath) to join the task force when diabolical hacker Aaron Wright (Joey Lawrence) releases a dangerous arsonist from prison. ...

Steve and Kono respond to a hospital doctor reporting suspected teen abuse by an uncle who refused to leave her alone in exam room and disappeared with the girl, who turn ...

Molokai island sheriff Alana Smith takes a back seat to Steve's team in the investigation for the disappearance, as turns out murder, of Auschwitz survivor Itzhak Rozen's ...

When Jerry's conspiracy theory friend investigating a possible clue that could solve the mystery behind John F. Kennedy's assassination is killed by a sniper, Jerry finis ...

On Halloween, Five-0 investigates the murder of a medium with a checkered past who was apparently scared to death by a poltergeist. Also, Kono and Adam are kidnapped by w ...

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 touri ...

When a woman is murdered, the team investigates. When they are done, Hirsch who works as a clean up guy shows up. And it's while cleaning he discovers something, a panic ...

The day begins with an elephant running on the street, they learn that it was from the circus and someone let it out. Before they can look into further, they are told tha ...

Steve's Aunt Deb comes to bring the ashes of her husband who just died to be thrown into the sea. She wants to spend time with Steve, his sister, Mary, and Mary's adopted ...

A body is found in a pig sty and has been eaten up to destroy evidence of a murder. They discover the victim is a professor who is not liked by his students. McGarrett se ...

Luggage containing dismembered female bodies is found in the woods, and the team realize they are dealing with a serial killer with a shocking resemblance to Dr. Frankens ...

While the team tries to track down the owner of a gun found in the ocean that was responsible for two deaths, McGarrett and Catherine reach a crossroads in their relation ...

A college professor is murdered, but who is the killer: his boss, his teaching assistant, or one of his students? Meanwhile, Kono is assigned to protect an annoying witne ...