Actors: Chris O'Donnell,Daniela Ruah,Eric Christian Olsen,Barrett Foa
A Marine staff sergeant dies in an explosion of an SUV; Callen and company investigate; Hunter makes changes; Sam and Deeks find a runner and a bomb; the team find the bad guy; three more bombs explode, but the gang escape; Hetty returns.
Actors: Corey Harrison,Richard Harrison,Rick Harrison,Austin 'Chumlee' Russell
When Big Hoss tells Rick he bought a hot air balloon he would have been smart to climb in and fly away. Even the customers who brought in a pair of antique handcuffs and a bottle of medicinal whiskey couldn't stem Rick's anger.
Actors: Christopher Meloni,Mariska Hargitay,Richard Belzer,Diane Neal
The environmental group Olivia is infiltrating for the FBI is accused of murdering the CEO of a pharmaceutical company. But when she discovers that the crime may be sexual in nature, she conducts her own independent investigation.