When did Hawaii Five-0 Season 2 Episode 21 air?
Hawaii Five-0 Season 2 Episode 21 aired on April 30, 2012.


Steve McGarrett returns home to Oahu, in order to find his father's killer. The governor offers him the chance to run his own task force (Five-0). Steve's team is joined by Chin Ho Kelly, Danny "Danno" Williams, and Kono Kalakaua.

Five-0 and the NCIS: Los Angeles task force team up in Hawaii when there’s a suspect on the loose who is threatening to release a deadly virus into the population. The crossover continues on NCIS: Los Angeles S03E21 Touch of Death (II).
Direct answers for episode-level questions and details.
Hawaii Five-0 Season 2 Episode 21 aired on April 30, 2012.
This episode runs for approximately 42 minutes.
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