"Nalowale i ke 'ehu o he kai" (Hawaiian for: "Lost in the sea sprays") is the eighteenth episode of the tenth and final season of Hawaii Five-0.

The episode included a crossover appearance from Zachary Knighton as Rick Wright, his character from Magnum P.I.

Also, Noelani enlists the help from Quinn when she suspects that her uncle did not die of a heart attack and thinks it was a murder cover up.

had previously crossed over in a two-part crossover event earlier in the season, and Hawaii Five-0 characters have also appeared in numerous episodes of Magnum P.I.

[1] Despite being credited in the opening title sequence Taylor Wily and Dennis Chun did not appear in the episode.