Season 4Episode 143m
Aloha Ke Kahi I Ke Kahi (We Need Each Another)
2013-09-277.7 rating
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.