NCIS partners with the Coast Guard Investigative Service (CGIS) to investigate a suspicious explosion on board an oil rig. Meanwhile, no one is safe from a mysterious prankster who is targeting the NCIS team.
Gibbs: Cal, do something for me? Cal: Sure. Anything. You want me to lock the back up? Gibbs: I want you to take the store. Cheers. It's what dad would have wanted. Cal: But I... I'm not... I mean, I don't even know how... Gibbs: Just do the work. Cal: I will.