JAG - Season 1 - Eps 3: Shadow
A civilian tech rep aboard a submarine seizes control of an experimental torpedo after its launch during an exercise. The rep threatens to sink a cruise ship and demands a ransom. Harm and Ltjg. Meg Austin go to the sub and save the day.
About JAG

Title: JAG
First Air Date: 1995-09-23
Last Air Date: 2005-04-29
Status: Ended
Rating: 7.3/10 (from 356 votes)
Language: EN
Seasons: 11
Total Episodes: 227
Network: NBC CBS
Genres: Drama, Action & Adventure, Crime
Production Companies: Paramount Television, Belisario Productions, NBC Productions, Belisarius Productions, NBC Studios, CBS Studios
Synopsis
Harmon "Harm" Rabb Jr. is a former pilot turned lawyer working for the military's JAG (Judge Advocate General) division, the elite legal wing of officers that prosecutes and defends those accused of military-related crimes. He works closely with Lt. Col. Sarah Mackenzie, and together they do what needs to be done to find the truth.
Cast

David James Elliott
Harmon Rabb

Catherine Bell
Sarah MacKenzie

Patrick Labyorteaux
Bud Roberts