The best episode written by David Wolkove is "Ka hopu nui 'ana (The Round Up)", rated 9/10 from 5 user votes. It was "directed by Eagle Egilsson". "Ka hopu nui 'ana (The Round Up)" aired on 1/5/2018 and is rated 0.5 point(s) higher than their second highest rated, "He puko'a kani 'aaina (A Coral Reef Strengthens Out Into Land)".
When an FBI agent who was cracking down on organized crime is killed, McGarrett rounds up every gang-related criminal on the island to find the culprit. Also, McGarrett tasks Adam with forming a new division within Five-0 to take on organized crime.
Director: Eagle Egilsson
Writer: David Wolkove
McGarrett and Danny investigate the murder of a private detective whose client was killed the same way, and Adam sends Jessie into a dangerous situation with disastrous consequences. Also, Danny’s uncle, Vito, comes to town to help Danny and McGarrett get their restaurant up and running.
Director: Bryan Spicer
Writer: David Wolkove
Tani and Junior go undercover as prospective parents in order to infiltrate a private school where the headmaster was murdered. Also, Adam's life is on the line when he is held captive and forced to produce a hidden massive amount of money.
Director: Jerry Levine
Writer: David Wolkove
When investigating a deserted yacht adrift at sea, McGarrett, Danny, Tani and Junior are exposed to a deadly bioweapon and the rest of Five-0 have only eight hours to find an antidote.
Director: Maja Vrvilo
Writer: David Wolkove
While working the murder case of one of the last survivors of the USS Arizona, McGarrett learns about his grandfather's important role at Pearl Harbor. Also, Adam uncovers bone fragments at his new construction job and asks Jerry to help him discreetly investigate.
Director: Bryan Spicer
Writer: David Wolkove
Harry Langford enlists McGarrett and Danny's help to track down Lady Sophie, a teenage British royal who has run away while under his protection. Also, Grover, Tani and Junior work a 25-year-old murder case after a mysterious Betamax tape arrives at 5-0 headquarters.
Director: Eagle Egilsson
Writer: David Wolkove
Five-0 investigates when a plane that mysteriously crashed into the Pacific in the ‘80s is found, but with a recently murdered scuba diver inside. Also, as MacGarrett and Quinn zero in on who planted the bomb in his garage, and he formally asks her to join Five-0, she is arrested for money laundering.
Director: Brad Turner
Writer: David Wolkove
While Magnum and Higgins reunite and work the case of a construction worker’s tragic death, TC and Shammy get skyjacked by a pair of drug runners posing as tourists.
Director: Doug Hannah
Writer: David Wolkove
A bail bondsman hires Magnum and Higgins to track down a woman who skipped out on her $250,000 bond. When they locate the body of another P.I. who was previously searching for her, they partner with Det. Lia Kaleo on the case. Also, T.C. and Katsumoto team up on an emotional search for Cade’s mother.
Director: Roderick Davis
Writer: David Wolkove
Katsumoto takes a job providing security for a chart-topping K-pop star. Higgins and Rick find themselves in peril while trying to help Rick's friend. Magnum harbors suspicions about Capt. Greene's death.
Director: Eagle Egilsson
Writer: David Wolkove
Five-0 investigates when a wealthy recluse is found dead in a remote field with nearly one million dollars in counterfeit bills. Also, Adam is kidnapped by the Yakuza and forced to torture one of Gabriel’s men.
Director: Maja Vrvilo
Writer: David Wolkove
When a vacationing dad on a flight to Honolulu is kidnapped and force to parachute mid-flight, Danny, Tani and Junior track him through the jungle to discover that he may not be who he seems. Also, McGarrett is threatened with a secret from his past.
Director: Eagle Egilsson
Writer: David Wolkove
McGarrett and Five-0 work with an injured police dog who is the only witness to an ambushed drug bust. Also, McGarrett is visited by Junior Reigns, a former SEAL, who is looking to join the task force.
Director: Tara Miele
Writer: David Wolkove
Five-0 enlists the help of an old friend when the boss of a major crime family is murdered, triggering revenge killings across the island. Also, MacGarrett and Danny begin sorting out particulars in their new restaurant venture,
Director: Eagle Egilsson
Writer: David Wolkove
An armed hit team lays siege to Robin's Nest. TC is badly injured while Rick fights for his life. Mid Season Finale
Director: Lisa Robinson
Writer: David Wolkove
Magnum and Higgins agree to help a teenage Amish boy who has traveled to Hawaii in search of his runaway sister. Rick sets out to find TC a date to the Marine Corps Ball.
Director: Benny Boom
Writer: David Wolkove
Magnum and Higgins take a major step forward in their relationship. At the same time, the past comes back to haunt them when a previous suspect becomes their client. TC aims to scale up Island Hoppers. Rick gets a new business partner.
Director: Avi Youabian
Writer: David Wolkove
A disoriented man hires Magnum and Higgins to investigate a crime he doesn’t remember after he woke up on the beach covered in blood. Also, T.C. is taken aback when Cade’s biological grandmother makes a surprise visit, and Rick’s feelings for Suzy grow stronger as they prepare for the birth of their first child.
Director: Eagle Egilsson
Writer: David Wolkove
Five-0 must work with rogue MI-6 agent Harry Langford to find a terrorist planning to cause nuclear reactors across Europe to meltdown. Also, McGarrett and Danny ask retired FBI profiler Alicia Brown to help them find their serial killer vigilante.
Director: Sylvain White
Writer: David Wolkove
McGarrett and Danny work on their relationship while they stakeout a woman's apartment after she escapes following a diamond robbery.
Director: Daniel Dae Kim
Writer: David Wolkove
Higgins job to repo a plane goes south when she and Magnum discover that it was being used by a drug cartel who opens fire at the plane, forcing them to crash land in the jungle, where they find a stowaway on board with a target on his back. Also, Higgins has her first date with Dr. Ethan Shah.
Director: Bryan Spicer
Writer: David Wolkove
McGarrett investigates a cold case from the 1940s, one that his grandfather and the famous Honolulu detective Chang Apana worked on, and he tries to deduce how the case could have been solved. Also, McGarrett and Danny get ready for the opening of their restaurant.
Director: Bryan Spicer
Writer: David Wolkove
Junior is torn between his duties as a member of Five-0 and his feelings for his former girlfriend when her new love, the father of her son, is one of the culprits in a bank-heist-turned-homicide.
Director: Alex O'Loughlin
Writer: David Wolkove
After Steve receives a posthumous letter from his mother that contains a cypher, Danny is attacked by someone willing to kill to steal it. Five-0 must help Lincoln Cole, an anonymous good Samaritan who’s in the crosshairs of some very dangerous people.
Director: Roderick Davis
Writer: David Wolkove
The first female President of the United States is assassinated by a sniper as she is giving a speech on Independence Day and it becomes evident that it's a conspiracy.
Director: Duane Clark
Writer: David Wolkove