ION Mystery

When a college professor is killed, Five-0 goes back to school with Danny, who is posing as the professor's replacement.

When a promising local boxer's brother is murdered, the prime suspect is an outspoken opponent -- the reigning champion.

Danny and McGarrett try to solve their partnership issues with a couples retreat in Maui; Kamekona's past comes back to haunt him.

A special personal mission sends McGarrett's Aunt Deb (Carol Burnett) to Oahu; unstable Japanese WWII bombs hidden on the island are stolen.

Grover goes to Chicago to get a confession from Clay Maxwell; Chin and Kono are held at gunpoint by people who don't know they are cops.

Danny's mom is questioned by the FBI; McGarrett works with a young, autistic man who might be able to help solve a murder.

McGarrett turns to Odell Martin (Michael Imperioli) for help when a confidential informant is accused of murder.

A Russian spy steals a flash drive containing classified information that puts a Five-0 member at risk; McGarrett learns why Catherine left; Abby keeps her mission a secret.

After a tip about a dance company, the team investigates the abduction of a ballerina.

A magic act goes horribly wrong when an investment guru is killed; Becker scrutinizes Toby.

On the eve of his new video game release, Dev's former friend is murdered.

Toby faces a mentally unstable suspect in the murder investigation of a psychiatrist.

After the discovery of a petty officer's body inside a sports arena, evidence leads Pride and the NCIS team to a kidnapping case of another petty officer, last seen in Mexico.

The NCIS must come to the rescue of one of its own when Sebastian is kidnapped while dining in a restaurant with his mother; Sebastian relies on his gaming skills in a prison break.

The NCIS and the FBI investigate a private plane crash in the bayou that killed three sailors; Sonja and LaSalle interview candidates for a job opening on the team.

A Navy SEAL candidate is murdered weeks before his graduation; Wade seeks Pride's help when her adopted son announces his plan to join the Navy.

A sailor is murdered during a rowdy motorcycle rally in the city; LaSalle seeks personal advice from Gregorio.

After a member of the United States Navy Band is murdered in her home, Pride looks after the victim's nephew, who is the only witness to the crime.

The NCIS team investigates when a Marine corporal who is an amateur race car driver is in a fatal crash on the track.

Pride needs to protect a family friend engaged to the prime suspect in an ongoing NCIS and FBI cartel case.

Sebastian goes undercover; Patton practices his old gambling skills; Pride and the team embark on a perilous plan to trap Garcia.

After Pride travels to a deep-sea oil rig for a murder investigation, the team uncovers a gas leak that's on the verge of causing a catastrophic explosion; Sebastian starts his NCIS special agent training.

After thousands of classified government files are stolen, the NCIS team searches for an underground group of hackers who were co-founded by Elvis Bertrand, Pride's old contact.

NCIS agents McGee and Torres head to New Orleans to partner with Pride and his team in the search for the missing homeland security theoretical terror playbook.

Painful memories come flooding back when a gruesome copycat murder leads to the reopening of a case for Wade.

Pride's longtime friend, state and military attorney Rita Devereaux, asks NCIS to investigate the disappearance of a JAG lawyer who specializes in classified cases and volunteers at a private military academy.