Hawaii Five-0

Season 9

Season 9, Episode 19

4.0 0 x
The team investigates the murder of a window washer and discover that the victim is actually a renowned street artist. Grover and Adam look into the murder of a gambler.

Season 9, Episode 18

3.0 0 x
Tani and Junior go under cover at a gym to track down a deadly batch of steroids, while Danny and MacGarrett work as bodyguards for Danny's high maintenance ex-mother-in-law. Joan Collins guest stars.

Season 9, Episode 17

3.0 0 x
Junior is torn between his duties as a member of Five-0 and his feelings for his former girlfriend, when her new love is one of the culprits in a bank-heist-turned-homicide.

Season 9, Episode 16

3.0 0 x
The top salesperson for a beauty company-pyramid scheme is murdered while swimming as part of a mermaid troupe, and Five-0 sifts through a long list of possible suspects who would want her dead.

Season 9, Episode 15

4.0 2 x
As a deadly hurricane lashes Oahu, Five-0 must protect a captured cartel hitman with a history of escaping, who is being hunted by an assassin. Meanwhile, Tani gets caught up in a lethal situation.

Season 9, Episode 14

4.7 0 x
Grover has an emotional reaction to a case while investigating Flippa's friend's murder, and he and McGarrett uncover a deadly terrorist plot by an extreme Neo-Nazi group on the island.

Season 9, Episode 13

3.0 4 x
Adam, Junior, and Tani travel to the bottom of the Pacific Ocean when a murder takes place in a remote underwater lab and the killer may still be on board.

Season 9, Episode 12

4.0 4 x
While McGarrett and the team support Danny and Rachel by investigating what led to Grace getting into a life-threatening car accident, Tani helps her brother Koa when his rehab patient goes missing.

Season 9, Episode 11

4.0 1 x
Steve and Catherine are still reeling from the murder of one of their ohana, and enlist the help of some old friends to hunt down the killer. Tani and Grover investigate a missing bag of human bones.

Season 9, Episode 10

4.0 3 x
Following a close brush with death, McGarrett heads to Montana after Joe White reveals that there is an assassin killing all of Steve's former SEAL team members.