Watch Rescue: HI-Surf

Hina and Kainalu assist the U.S. Coast Guard in searching for two missing snorkelers.

While monitoring the beach, Laka and Will notice a toxic smell coming from a van and discover a kid unconscious and surrounded by drug paraphernalia; Em befriends a disabled veteran; Hina finally confesses her feelings to Kainalu.

This week all new episode of Rescue: HI-Surf.

Em takes the day off to spend time with her mom but races into action when she comes across an unresponsive cave diver. Will confides in Vince about his personal anger issues. Meanwhile, Laka searches for a missing local.

The team searches for two missing teenagers; Will does not get along with District 7's new team member; Em receives a surprise visit from her estranged mother.

The team races to rescue unresponsive cliff jumpers; Hina tries to navigate family issues; Will and Em hope to get over each other by rebounding with other people.

Captain Sonny and the Ocean Safety team face their most dangerous rescue yet when a literal minefield is discovered on the ocean floor. Meanwhile, on the beach, a hugely popular influencer will do anything to capture viral content for her massive following.

The team is on high-alert when a tsunami advisory is sent out following an earthquake. As the state of Hawaii is under an evacuation order, Captain Sonny has bigger issues when Ocean skips school and he can't find her.

Em and Will's relationship struggles as they navigate the return of his fiancé. Kainalu asks Laka for help. The team races to rescue a group of locals involved in a serious accident while riding an inflatable Supsquatch.

The team races to the rescue in the aftermath of an ATV accident. Romantic tensions are high between Em and Will as well as Kainalu and Hina.

Christmas cheer is in the air as the lifeguards prepare for their annual holiday toy drive. While surfing, a local grandpa has a heart attack and is rushed to the hospital, and Hina and Kainalu receive the responsibility of babysitting his grandkids. Sonny tells Laka he is not ready to become a lieutenant, and Laka does not take the news well and spirals at a bar. Chief wants Kenji to replace Sonny as Captain, but Sonny is stern on recommending Em and calls in a final favor with Mayor Emerson. Meanwhile, Will and Em almost get caught in the act by friends, and Hina and Kainalu become more than roommates.

Sonny, Em, Will and Laka race to the beach to find missing paragliders that plummeted into the ocean by a violent down draft. Kainalu invites Hina to a party with his ex-girlfriend and pretentious high school friends. Jenn doesn't think Laka is serious enough for her, and Em and Will face temptation of rekindling their past romance. Meanwhile, Sonny secretly puts in his notice to retire and recommends Em as his replacement.

The team rescues an influencer.

The North Shore community comes together for Rocky's paddle out; Hina thinks about switching districts; Laka, Will and Kainalu try to save a beachgoer that accidentally speared his own foot; romance heats up between Sean and Em.

The lifeguards of the North Shore experience the most dangerous ocean conditions the district has seen in years; Sonny assigns Laka as acting lieutenant; Kainalu's father pressures him to leave his shift and help him with his campaign.

Sonny, Will, and Laka race to rescue people stranded after a shark attack. Em catches the attention of Fire Captain Sean Harimoto (guest star Ian Anthony Dale). Will learns if he made the cut for the firefighter job. Hina makes a move with Kainalu. Sonny attends Zion's memorial fundraiser and attempts to reconnect with his sister for the first time since the funeral.

Em works to earn the team's respect when she is left in charge. Hina and Kainalu juggle multiple beachside emergencies. Will's fianc? pays him a visit at work. Sonny opens up to a former lifeguard about his trauma since losing his nephew. Laka continues his flirtation with EMT Jenn (guest star Sea Shimooka).

A flash flood sweeps a young tourist away from her family and out to deep sea; going against Sonny's wishes, Em takes a bold risk and places her own life in danger in hopes of rescuing the lost-at-sea tourist.

Captain Sonny Jennings and his core team of lifeguards monitor the dangerous Hawaiian waters; new lifeguard recruits compete to join Sonny's district; Sonny and his family grieve after the loss of his nephew; Em reveals a romantic past with Will.