Hawaii Five-0

A new ally helps McGarrett and the team when mob bosses on the island are targeted by an assassin. (TV-14 L, V)

Tani and Junior must plot an escape for themselves and others after a deadly tunnel collapse. (TV-14 L, V)

A plane that crashed in the '80s is found, but with a recently murdered scuba diver inside. (TV-14 L, V)

Five-0 enlists imprisoned hacker Aaron Wright to help when a young girl is reported kidnapped.(TV-14 L, V)

The team investigates a home invasion that turned deadly; Max returns to Oahu with a special guest. (TV-14 L, V)

A crash involves a driverless car carrying heroin; Tani and Quinn take YouTubers on a ride-along. (TV-14 L, V)

The CIA informs McGarrett that his mother has gone rogue and may have killed her partner. (TV-14 L, V)

The team searches for a killer whose plane crashed with $10 million worth of heroin on board. (TV-14 L, V)

Junior and Tani track down the thief who robbed his parents' home; Danny moves in with McGarrett. (TV-14 L, V)

When Adam's girlfriend is kidnapped, he breaks all the rules in order to get her back. (TV-14 L, S, V)

A search for stolen artillery leads to a ghost from McGarrett's past -- Wo Fat. (TV-14 V)

When a list of CIA agents is stolen, the team enlists the help of Magnum, Higgins, Rick and TC. (TV-14 V)

A man is frozen to death in a private golf course's cryotherapy chamber. (TV-14 V)

Soon after Danny meets the girl of his dreams, they get into a potentially fatal car accident. (TV-14 L, S, V)

Grover's niece is missing and it's discovered her boyfriend is an undercover member of the yakuza. (TV-14 V)

On Valentine's Day, Tani and Noelani are held hostage during a convenience store robbery.(TV-14 V)

Murders follow the plot of a fabled, unpublished crime novel from the 1920s. (TV-14 L, V)

The team investigates a murder on a ship where pirates impersonated the Coast Guard to get on board. (TV-14 V)

A rancher is killed after uncovering skeletons where Civil War-era gold coins are allegedly buried. (TV-14 V)

The team investigates a scheme to rob tourists; Tani and Junior work on their new relationship.(TV-14 V)

Steve gets a posthumous letter from his mother that contains a cypher; a good Samaritan in trouble. (TV-14 V)

Danny is abducted and wounded by Wo Fat's wife, who is after the cypher Steve's mother left him. (TV-14 V)