Nicholas X. Parsons

When a torpedo hits a fishing trawler at sea, the entire Gulf Coast is in jeopardy as Pride and NCIS race to find the submarine before it can strike again.

MacGyver and Jack search for Riley, using a microwave and a power strip, after she mysteriously disappears and hacks into the NSA, possibly unleashing World War III. Also, Bozer goes on his first official mission, and Jack opens up about his history with Riley's mother, Diane (Michael Michele).