VIDEO: Sneak Peek - Season Premiere of CBS's HAWAII FIVE-O

On the fourth season premiere of CBS's HAWAII FIVE-O titled 'Aloha ke kahi I ke kahi,' after McGarrett and Wo Fat narrowly escape from maximum security, gunmen storm Five-0 headquarters, compromising Kono and Adam's secret location in Hong Kong and forcing McGarrett to break the law and turn on his own in order to find a kidnapped Catherine.

The season premieres on a new night, Friday, Sept. 27 (9:00-10:00 PM, ET/PT) on the CBS Television Network.

Chi McBride guest stars as SWAT Captain Lou Grover, a character that first appeared in an episode of the original "Hawaii Five-0" series. Henry Ian Cusick guest stars as a member of a terrorist organization. Get a sneak peek below!

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