Hawaii Five-0 - Season 2 Apr 2026

: The NCIS: Los Angeles crossover involving a deadly smallpox threat.

The core team of McGarrett, Danny, Chin Ho Kelly, and Kono returns, with notable additions and guest appearances: (Dr. Max Bergman) is promoted to a series regular.

The season kicks off with Steve McGarrett behind bars, falsely accused of murdering Governor Jameson. While the team works to clear his name and expose the arch-villain , they must also adapt to a new governor who imposes stricter oversight on the unit. Key Story Arcs Hawaii Five-0 - Season 2

: McGarrett's escape from prison and the disbandment of the Five-0 unit.

: Feature appearances by Ed Asner (returning to his role from the original series), James Caan (Scott Caan's real-life father), and a crossover event with NCIS: Los Angeles stars LL Cool J and Chris O’Donnell . Major Episodes : The NCIS: Los Angeles crossover involving a

joins the task force temporarily as Homeland Security Agent Lori Weston . Terry O'Quinn recurs as Joe White , Steve’s former mentor.

: Officer Kono Kalakaua faces an Internal Affairs investigation and is temporarily stripped of her badge, leading her to go undercover within a corrupt circle of former cops. The season kicks off with Steve McGarrett behind

: A trap in North Korea that forces a mission to rescue Steve from Wo Fat.