A TV-news network airs a report alleging that a Marine team has used sarin gas to assassinate three renegade US civilians working at a plant producing chemical WMDs for Saddam Hussein. Harm advises Rep. Bobbi Latham and her House inquiry.

Mac and a former CO, mentor, and lover go on trial for conspiracy and the murder of her long-estranged husband. Cdr. Ted Lindsey prosecutes, Harm defends Mac, and Mic and Bud defend LtCol Farrow. Harm and Mic clash over defense strategy.

LCdr. Jack Keeter, a friend of Harm, has unexpectedly landed a stealth spy aircraft in Iran; the Iranian government has announced its intent to prosecute him for espionage. Harm, Mac, and Mic go to Iran, investigate, and intercede.

Three men sailors waylay a bar owner, and one of them beats him, supposedly in revenge for the rape of a fourth sailor, a woman, who accompanied them on a previous visit. Harm and Mac prosecute, and Mic and Bud defend. Harm figures it out.

Serbian extremists have executed three NATO observers. A SEAL team went in to rescue, but they arrived late. The officer in charge now faces charges of disobedience and involuntary manslaughter. Mic prosecutes, and Mac and Bud defend.

The admiral gets help from the gang to prepare him to argue a case before the Supreme Court of the US, but the case suddenly becomes moot. Meanwhile Clark Palmer plays head games with Harm, involving LCdr. Jordi Parker as well; Harm wins.

Terrorists in Italy have kidnapped a CIA agent, who is important to both Webb and the admiral; Webb has begun efforts to rescue him, and he draws in the admiral. The two go to Italy and ply their craft. It's new-car time in Washington.

Harm requests a change back to a Naval aviator. Chloe makes pithy comments about boys and relationships. Bud prosecutes a Marine staff sergeant about her pregnancy. Two women give birth. Harm and Mac exchange contingent promises.

Harm pursues a lead about Annie's killer. After the christening of the Roberts baby, Harm follows and finds Charlie and Dar-lin, who then starts toward an adoption. Harm receives orders to the Naval Air Station in Pensacola, and he leaves.

Harm's back flying a Tomcat with Skates as his RIO, however, Lt. Buxton, a hot-shot pilot, is making things difficult for him. Mac is promoted to lieutenant colonel.

Mac flies to the carrier to investigate and prosecute in the killing of the Russians in the preceding episode; Bud and Mic soon join at sea, Bud to help Mac, and Mic to help Harm, who defends X-man. Justice prevails in an unexpected way.

Harm returns. On the bridge of a Naval vessel at sea, a jaygee, who is the son of the SecNav, fails and refuses to obey a direct order from his CO. The defendant insists on going to trial. Mic prosecutes, and Harm and Bud defend.

Harm receives his second DFC. Mic prosecutes a sailor accused of smuggling marijuana, and Mac defends; Harm and Bud seek a witness and rescuer who disappeared after an attempted rape. Chemistry and talk occur among Harm, Mac, and Mic.

The DoD has hired a retired SEAL to test physical security arrangements; his methods are extreme. He captures a submarine and takes her to sea. Bud serves as the official observer; Harm lends a hand. Gunny meets resistance and resentment.

Olivia Dunston, wife of Marine Colonel Dunston stationed in Panama, is accused of smuggling drugs, and her weak denials convince Mac that she is guilty.

A newspaper prints an op-ed piece, contemptuous of the PotUS (and a violation of the UCMJ), which first appears to have come from Harm's office computer; Harm figures it out. Meanwhile Mac encounters an unusual question about childbearing.

A disabled Tomcat crashes and burns during an emergency landing aboard a carrier. Mac and Mic investigate; they later prosecute Skates, the LSO, for dereliction. Harm defends; while researching he and Bud meet resistance. Justice prevails.

Again at The Wall at Christmas, Harm meets Jenny Lake, a singer who, as a member of a USO troupe, entertained aboard Harm's father's carrier. She tells about their brief friendship. The JAG characters play other roles during flashbacks.

A court condemned a Marine to death for the murders of three fellow Marines. Mac represents him in his final appeal; Mic represents the USA. Australia recalls Mic, so Harm replaces him. Harm and Mac argue hotly in a new sentence hearing.

A petty officer apparently was murdered during a visit by USS Chicago to Sydney, Australia, 28 years ago; the dead man has reappeared, become arrested, and asked to see a JAG officer of the USN. Harm, Bud, and Mac all wind up there.

The admiral unexpectedly arrives in Sydney, and the adventure continues. Mic prosecutes the US former petty officer, and Harm defends. Bud sustains an injury, and courtroom fireworks ensue. The JAG gang take the deserter back to the US.

In Korea during the Korean War 23 Koreans died due to gunfire by US soldiers. The civilian press in the USA has refreshed accusations of an unjustified massacre. Harm, Mac, and others fly to Seoul to investigate; a hijacking interferes.

During training five newbies and a jumpmaster jump from an aircraft; the jumpmaster signals the jump too soon; two trainees land in a lake, and one of them sustains an injury and soon dies. Mac and Harm prosecute, and Bud and Loren defend.

Mac has gone incognito at a Seabee center to investigate a charge of rape among Wiccan worship and training; Harm and Bud join her, and they prosecute; a civilian lawyer defends. The admiral and others have trouble with a plaster pyramid.

Lt. Rivers, a SEAL, challenges a man who claims to be a former SEAL; the other man swings at Rivers, who then slugs him. Mac prosecutes, and Harm defends. Rivers and Harm also flush out another impostor. The admiral receives an invitation.

During an exercise, friendly fire goes too close to a boat hauling 15 Marines, apparently due to a mistake by PO Mike Roberts, Bud's brother. One by one Bud, Mac, Harm, the admiral, the SecNav, and Webb all fly out. Harm solves the puzzle.

Harm goes to Russia to help in reforming Russian military law; however, complications arise. Mac and Bud prosecute a Naval officer for espionage, then she too goes to Moscow. Harriet gets a small surprise, and Harm gets a large one.

Harm is distraught when his newly discovered half-brother, Sergei, is framed for a crime punishable by death, while Mac arrives in Russia to prevent a presidential assassination.

A US frigate rescues and takes aboard a 12-year-old Cuban girl clinging to floating debris; internal and international squabbling ensues. Harm and Bud fly out and lend a hand. The girl takes some big steps. Mac and Mic talk more.

Harm and Bud investigate a crash of an F-14 while it leaves a civilian upgrade facility; they find irregularities. Mic, now a civilian lawyer in Washington, represents the vendor. The admiral tries hard to give Sydney a happy birthday.

A sailor on overseas duty in an Arabic nation falls in love with a local girl; he smuggles her into the USA and marries her. She turns out to be a princess; Mac represents her in an Islamic tribunal in Arlington. Harriet goes into labor and there is trouble.

Bud feels anger and agony over the recent tragedy in his family; he considers courses of action and makes a decision. Mac moves a ring, and Mic prepares to return to Oz. Webb twice gives Harm news. A secret about Harriet comes to light.

Cdr. Kate Pike briefly passes through the JAG headquarters, the SecNav cancels orders for a rear admiral, and Bud represents an attractive woman Marine corporal who wishes to attend Officer Candidate School, but a tattoo gets in the way.

A Marine sergeant major, on trial for attempted murder, invokes a supernatural event; Bud prosecutes, and Harm defends. A priest from the Vatican investigates the alleged involvement of a chaplain who died during a firefight in Vietnam.

A Russian nuclear submarine sinks while submerged with a US nuclear submarine nearby. The Russian government learns that the fault for the sinking lies with the Russians, but the officials seek to blame the US anyway. The US submarine leaders know what took place, but they feel reluctant to reveal that, because to do so would disclose an important advantage. After two surprising twists Mac takes a ride aboard a US submarine, and Harm takes one aboard a Russian submarine. The two boats wind up near each other, because the US vessel shadows the Russian one. An extremely dangerous situation develops aboard the Russian boat, and Mac and Harm take part in resolving the problem. Meanwhile a woman ensign in the US Navy graduates with honors in nuclear engineering from a college and from the Naval Nuclear-power School; she then applies but is rejected to attend the Naval Submarine School and to serve aboard a submarine; Mac and Bud advise her.

Mic represents a civilian wrongfully jailed in a Navy brig; he settles with Harm and Bud. Gunny goes to New Mexico to pick up a Marine who disappeared after service in the Korean War. The admiral goes fishing and winds up in a firefight.

Terrorists aboard a service boat approach a USN destroyer in a port in the Mideast; a security team stops the boat and finds explosives and a woman Marine sergeant. Harm and Mac investigate. The suspect volunteers for a task for the CIA.

A Marine sergeant in prison needs Harm's help again when his prints are found on a murder weapon.

RAdm. Chegwidden holds an engagement party for Mac and Mic. Harm and Mac take part in frank and profound communication amid a parade of incisive and revealing flashbacks. Bud runs into some trouble, and Harriet receives a gift of gold.

Sarah dreams about an actual conspiracy to commit a mutiny in 1842 at sea aboard a brig of war, a sailing vessel, of the US Navy.

Harm misses Mac's rehearsal and dinner by doing his semiannual carquals, then he and Skates eject from an F-14 Tomcat at night during a storm at sea. A rescue helo picks up Skates, but Harm remains unfound in the rough sea. [Continued.]

A rescue helo has picked up Skates, but Harm remains adrift in the sea. With Mac's uncanny help, a Viking finds Harm's life-raft, then a helicopter finds Harm, but his condition is critical. Mac declines to set another date, then Mic returns to Oz.

Webb, Mac, and Harm return from Paraguay. A sailor became MiA in the Gulf War 12 years before, and she reappears as a member of a nomadic tribe. Bud investigates in Iraq, then he prosecutes, and Mac defends. Harm interviews with the CIA.

Sarah dreams about an actual conspiracy to commit a mutiny in 1842 at sea aboard a brig of war, a sailing vessel, of the US Navy.

A petty officer apparently was murdered during a visit by USS Chicago to Sydney, Australia, 28 years ago; the dead man has reappeared, become arrested, and asked to see a JAG officer of the USN. Harm, Bud, and Mac all wind up there.

A court condemned a Marine to death for the murders of three fellow Marines. Mac represents him in his final appeal; Mic represents the USA. Australia recalls Mic, so Harm replaces him. Harm and Mac argue hotly in a new sentence hearing.

A US frigate rescues and takes aboard a 12-year-old Cuban girl clinging to floating debris; internal and international squabbling ensues. Harm and Bud fly out and lend a hand. The girl takes some big steps. Mac and Mic talk more.

The admiral unexpectedly arrives in Sydney, and the adventure continues. Mic prosecutes the US former petty officer, and Harm defends. Bud sustains an injury, and courtroom fireworks ensue. The JAG gang take the deserter back to the US.

During an exercise, friendly fire goes too close to a boat hauling 15 Marines, apparently due to a mistake by PO Mike Roberts, Bud's brother. One by one Bud, Mac, Harm, the admiral, the SecNav, and Webb all fly out. Harm solves the puzzle.

Bud feels anger and agony over the recent tragedy in his family; he considers courses of action and makes a decision. Mac moves a ring, and Mic prepares to return to Oz. Webb twice gives Harm news. A secret about Harriet comes to light.

A rescue helo has picked up Skates, but Harm remains adrift in the sea. With Mac's uncanny help, a Viking finds Harm's life-raft, then a helicopter finds Harm, but his condition is critical. Mac declines to set another date, then Mic returns to Oz.

Mac and a former CO, mentor, and lover go on trial for conspiracy and the murder of her long-estranged husband. Cdr. Ted Lindsey prosecutes, Harm defends Mac, and Mic and Bud defend LtCol Farrow. Harm and Mic clash over defense strategy.

A TV-news network airs a report alleging that a Marine team has used sarin gas to assassinate three renegade US civilians working at a plant producing chemical WMDs for Saddam Hussein. Harm advises Rep. Bobbi Latham and her House inquiry.