Aired: May 2, 2012 | Season: 3 | Episode: 21

Overview
Runtime: 41m
Directed by: Tony Wharmby
Written by: Michele Fazekas, R. Scott Gemmill, Tara Butters
Guest stars: Daniel Dae Kim, Scott Caan
Description
The joint NCIS: Los Angeles and Hawaii Five-0 task force travel from Hawaii to Los Angeles, when the lead suspect in the case moves to the mainland with a deadly virus in tow. The crossover started on Hawaii Five-0 S02E21.