The ninth season of (2010) continues the high-stakes missions of the Five-0 Task Force, investigating major crimes such as murder and human trafficking across the islands. This season is notable for reaching the milestone of the show's 200th episode . Key Season Overview Total Episodes : 25 episodes.
: Former main cast members Michelle Borth (Catherine Rollins) and Taryn Manning (Mary Ann McGarrett) returned for guest appearances in episodes 11 and 23, respectively. Significant Storylines & Episodes Hawaii Five-0 (2010) - Season 9
: Adam joins the task force officially after he and Kono break up, a development that is revealed early in the season. The ninth season of (2010) continues the high-stakes
: Titled "Hana mao ʻole ka ua o Waianae" (Endlessly Pours the Rain of Waianae), the team hunts for escaped hacker Aaron Wright. The season ends on a significant cliffhanger involving a shooting at Five-0 headquarters. Watching Options : Former main cast members Michelle Borth (Catherine