The NCIS team investigates a shipwreck carrying exotic animals that now threaten the native wildlife on Oahu. Also, Alex sustains a career-ending injury and Kai asks Melanie, a fish and wildlife agent, out on a date.

The episode was rated 7.57 from 432 votes.

NCIS Agents Nick Torres and Jessica Knight travel to Hawai'i when they learn a key witness in one of their old cases has turned up there with crucial evidence. The crossover starts on NCIS S19E17 Starting Over (I).

The episode was rated 7.59 from 457 votes.

Kai goes undercover as a chef in a local restaurant to gather intel on a notorious criminal kingpin who has a connection to the eatery. Also, Jane discovers that a school on the mainland has recruited Alex on a baseball scholarship, which he's kept secret from his family.

The episode was rated 7.59 from 440 votes.

When a navy seaman is involved in a murder, the NCIS team is called to work the case on their day off. Also, Lucy finds out Whistler turned down a promotion in D.C. to stay in Hawai'i.

The episode was rated 7.60 from 442 votes.

When an anti-capitalist protestor is murdered, Jane and the team investigate and find themselves caught in a war between eco-activists and a tech billionaire fighting over a piece of land. Also, Jane and Captain Joe go on a date.

The episode was rated 7.60 from 484 votes.

When NCIS investigates the mysterious death of a Navy engineer, Joseph Chan, they learn the last person he met with was his colleague, Maggie Shaw, Jane’s mentor and friend, who’s been kidnapped. Also, David Sola, a New Zealand intelligence service case officer arrives in Hawai’i, following a lead that connects Joseph’s death to a Chinese black op secret agent.

The episode was rated 7.61 from 474 votes.

While Jane is questioned following Maggie Shaw’s arrest, the rest of the team investigates a mysterious case of Marines with damaged ear canals from a weapon that emits ultrasonic waves. Also, Ernie visits his friend, Dr. Tony Lee (Alec Mapa), to identify possible suspects who had access to his classified weapon.

The episode was rated 7.62 from 463 votes.

When Tennant and NCIS are tasked with finding a kidnapped globe-trotting social media star, they find that she is not who her husband, or her followers, think she is. Also, the team is at odds with Whistler, who has an agenda of her own.

The episode was rated 7.62 from 501 votes.

In this gripping episode of "NCIS: Hawai'i" titled "The Game," tensions run high as Special Agent Lucy finds herself diving deep into the underground world of a high-stakes poker tournament to crack a major case. With evidence crucial to taking down a dangerous drug kingpin suddenly missing, Lucy takes on the risky task of going undercover to uncover the culprit behind the theft. The high-pressure environment of the poker tournament adds an extra layer of suspense as Lucy races against time to solve the mystery.

As if the intense investigation isn't challenging enough, Lucy also finds herself facing personal turmoil when Whistler's ex-girlfriend unexpectedly shows up in town. With emotions running high, Lucy must navigate the complexities of her own feelings while maintaining her focus on the high-stakes mission at hand. The episode delves into Lucy's inner struggles, adding a compelling layer of depth to her character as she grapples with both professional and personal challenges simultaneously.

Fans of "NCIS: Hawai'i" are in for a treat with "The Game," as it delivers a perfect blend of thrilling investigative drama and emotional depth. The episode keeps viewers on the edge of their seats as Lucy delves into the secretive world of underground gambling while also exploring the complexities of relationships and loyalties. With twists and turns that will leave you guessing until the very end, "The Game" is a standout episode that showcases the show's ability to seamlessly weave together intense action and heartfelt moments.

The episode was rated 7.62 from 458 votes.

In this gripping episode of "NCIS: Hawai'i" titled "Breach," the team faces a race against time as a ransomware attack triggers a dam malfunction on the island. Ernie, along with a group of skilled hackers, must swiftly identify the culprit before the entire island is plunged into darkness without power and water. The high-stakes nature of the situation adds an intense layer of suspense to the storyline, keeping viewers on the edge of their seats.

Meanwhile, viewers are in for a heartwarming moment as Lucy and Whistler find themselves working side by side. This unexpected pairing provides Whistler with a golden opportunity to extend an olive branch to Lucy and make amends for past misunderstandings. The growth and development of their relationship in this episode offer a touching and heartfelt narrative arc that resonates with fans of the show. And as teased by the comments, the last scene is sure to leave viewers feeling warm and fuzzy inside.

With a perfect blend of action, drama, and emotional depth, "Breach" is a standout episode that showcases the diverse talents and dynamics of the "NCIS: Hawai'i" team. As the team races against the clock to thwart a potentially catastrophic cyber threat, personal relationships are also put to the test and given a chance to evolve. This episode is a must-watch for fans who enjoy a mix of adrenaline-pumping suspense and heartwarming character moments that leave a lasting impression.

The episode was rated 7.62 from 435 votes.

In this gripping episode of "NCIS: Hawai'i" titled "Switchback," Captain Milius makes a dramatic return to Hawai'i for a top-secret prisoner exchange mission. The stakes are high as he enlists Jane, a skilled agent, to serve as his personal security escort during the operation in the Philippines. The tension is palpable as they navigate the complexities of the exchange while facing unexpected challenges along the way.

As Captain Milius and Jane delve deeper into the mission, they uncover hidden agendas and dangerous alliances that threaten to derail their plans. The exotic backdrop of the Philippines adds an element of intrigue and suspense to the episode, keeping viewers on the edge of their seats as they follow the twists and turns of the operation.

"Switchback" is a thrilling installment that showcases the resilience and resourcefulness of the NCIS team as they race against time to complete the prisoner exchange. With a mix of adrenaline-pumping action and intricate storytelling, this episode delivers a satisfying blend of mystery and intrigue that will leave fans eagerly anticipating the next chapter in the captivating world of "NCIS: Hawai'i."

The episode was rated 7.67 from 422 votes.

In the intense episode "Spies (2)" of NCIS: Hawai'i, Jane takes the lead in unraveling the mystery behind Maggie's kidnapping. As she delves deeper into the investigation, shocking truths come to light, leaving Jane stunned. The unexpected revelations prompt her to join forces with her team and the resourceful Whistler to gather evidence and substantiate her discoveries.

Fans of the show will appreciate the subtle nod to Gibbs and his signature tactics, like trying to recruit Tennant back when she was with the CIA. These references add layers to the storyline and connect different threads of the NCIS universe, keeping viewers engaged and invested in the characters' pasts and motivations. It's these small details that make the show a treat for long-time fans while still offering exciting new twists and turns.

While some viewers found the episode to be somewhat predictable, with suspicions about Maggie arising early on, the overarching plot and character dynamics still offer compelling moments. The intricacies of Jane and Maggie's relationship, coupled with the clever use of flashbacks, create a dynamic narrative that keeps the audience guessing. And of course, the impactful Gibbs reference adds a nostalgic touch that resonates with fans of the original NCIS series, tying the past and present together in a satisfying way.

The episode was rated 7.69 from 448 votes.

In this gripping episode of NCIS: Hawai'i titled "Impostor," the team delves into a compelling cold case tied to the historical events of Pearl Harbor. As the 80th anniversary of the bombings approaches, the discovery of WWII-era bones sets the stage for an intense investigation. Viewers are taken on a journey through time as the team uncovers surprising connections to a 100-year-old survivor of the attack, adding a poignant layer to the mystery.

The episode "Impostor" not only showcases the team's investigative skills but also delves into the emotional impact of uncovering long-buried secrets from the past. As the story unfolds, viewers are kept on the edge of their seats, eager to unravel the truth behind the mysterious bones and their link to the survivor. With each twist and turn, the NCIS team races against the clock to solve the case, all while honoring the memory of those affected by the tragic events of Pearl Harbor.

As the team unravels the layers of deception and intrigue surrounding the bones, viewers are treated to a blend of historical context and modern-day detective work. "Impostor" offers a compelling mix of drama, suspense, and heartwarming moments, making it a must-watch episode for fans of NCIS: Hawai'i. Join the team as they navigate through the complexities of the past to bring justice to those who have long been forgotten, in a story that will linger in viewers' minds long after the credits roll.

The episode was rated 7.70 from 488 votes.

In the heart-pounding episode "Pirates" of NCIS: Hawai'i, viewers are taken on a thrilling journey as Jesse's leisurely day sailing with his daughter turns into a nightmare when pirates storm their yacht, taking everyone hostage. As chaos ensues, Jesse finds himself in a harrowing situation where his daughter's life hangs in the balance, putting his skills and determination to the ultimate test.

The suspense escalates as Jesse's team springs into action, racing against time to track down the whereabouts of his daughter and devise a daring rescue plan. With each twist and turn, the stakes are raised as they navigate through the treacherous waters of the high seas, determined to outmaneuver the ruthless pirates and bring Jesse's daughter back to safety.

Viewers are left on the edge of their seats as the tension mounts, wondering if Jesse and his team will succeed in outsmarting the pirates and reuniting father and daughter. "Pirates" delivers a gripping narrative that explores the lengths one will go to protect their loved ones, while keeping audiences engaged with its pulse-pounding action and unexpected twists at every corner.

The episode was rated 7.72 from 430 votes.

In this gripping episode of "NCIS: Hawai'i" titled "Ohana," viewers are taken on a rollercoaster ride as Captain Milius collaborates with Tennant and her team following the intense prisoner exchange between the U.S. and eastern Europe. The tension is palpable as the consequences of the exchange unfold, leading to unexpected twists and turns that will keep you on the edge of your seat.

Meanwhile, the personal drama escalates as Whistler, inspired by Ernie's advice, decides to make a grand gesture in a bid to win back Lucy. The emotional stakes are high as Whistler puts his heart on the line, culminating in a moment that is both heartwarming and cringe-worthy. Viewers will be left rooting for Whistler while also cringing at the boldness of his actions.

As the end of the season approaches, "Ohana" delivers a satisfying conclusion that doesn't rely on a typical cliffhanger. The episode ties up loose ends while leaving room for anticipation of what's to come in the next season. With its mix of intense action, heartfelt moments, and surprising twists, this episode of "NCIS: Hawai'i" is a must-watch for fans of the series who crave both suspense and emotional depth.

The episode was rated 7.79 from 427 votes.