An FBI agent works with a refugee scientist and the Coast Guard to crack a Soviet spy ring in Boston.

Travelers heading west in a wagon train, under repeated assault by Indians, discover someone in their group is supplying rifles to their attackers.

The nurses go behind Margaret’s back so that a fellow nurse confined to her tent can spend the night with her soldier husband who is paying her a surprise visit.

Hawkeye is temporarily blinded while trying to fix the nurses’ furnace, and Frank finds a sure-fire way to win bets on baseball games.

Following an offer of promotion made by Master Sergeant Woodruff at a poker game, Radar is promoted to the rank of lieutenant. Finding this position awkward, Radar opts to return…

When a rumor for a camp relocation turns out to be real, Hawkeye, Margaret and Radar volunteer to stay behind for a patient who cannot be moved.

Margaret, calling from Tokyo, holds the camp in suspense until she returns with the news of her engagement to Lieutenant Colonel Donald Penobscott. Frank Burns takes the news hard and…

Clete Roberts introduces this segment as his show; he’s arrived at Korea to interview the staff of the 4077th Mobile Army Surgical Hospital because of its high 97% efficiency rating….

A sudden deluge of wounded at the 4077th is followed by a fire and a rainstorm which makes matters difficult for the staff.

Hawkeye is reunited with a woman he thought was out of his life forever, but who never altogether leaves.

Frank has Hawkeye up on charges of mutiny, for usurping his authority when Potter was away on leave, and Frank was the C.O. The Judge Advocate, Colonel Carmichael, tries the…

The 4077th turns up a sick helicopter pilot, ‘Smilin’ Jack, who doesn’t want to quit, and a twice-wounded GI who does.

Frank tries to distinguish himself by selling the camp garbage, but it’s Hawkeye who finds a use for it: he dumps it on a troublesome Colonel Coner.

Hawkeye is injured in a jeep accident and, aware he has a concussion, babbles to a Korean family to keep himself awake.

Potter decides Frank would be less of a pain if the others were friendlier to him; they oblige, with some startling results.

Radar gets the help of Hawkeye and B.J. to procure something Colonel Potter says he’s fond of, but that’s hard to come by – tomato juice.

Radar writes home to his mother, as Hawkeye conducts the camp foot inspection, and Colonel Potter gets some shrapnel in his backside.

A wounded colonel’s gun, a showpiece, disappears, and Hawkeye and B.J. play a hunch and bluff Frank, who has it, into returning it.

Mail brings a letter to Frank saying his wife is divorcing him, and one to Potter telling him he’s going to be a grandfather.

Frank has a fever and makes a will, leaving all his money to his wife and all his clothes to Hot Lips.

B.J. writes home to his wife, Peg, reporting Klinger’s escape attempts, the visit of a formidable chaplain, and one of Frank’s goof-ups.

Hawkeye tangles with a tough Army colonel, Colonel Spiker, B.J. helps Zale, who’s received a “Dear John” letter, and Frank looks endlessly for Korean saboteurs.

The 4077th plays host to kids bombed out of their orphanage, and at the same time has to deliver a baby and care for battle casualties.

Intelligence officer Colonel Flagg, and psychiatrist Sidney Freedman, grapples over the fate of a wounded officer, Captain Chandler, who claims to be Jesus Christ. Perhaps the most poignant scene is…

Radar is driving Hawk, B.J., Sherman, and Frank in a bus back from a “medical conference” when they get lost. They stop to see if they can find anything they…

It’s Potter’s anniversary. While Potter writes home, Frank and Hot Lips have a wood carving made for him, and Radar rescues a horse and makes him a present of it.

Its quid pro quo at the 4077th: two bottles of Scotch for secret surgery, and a tank to scare off snipers for an unauthorized shot of penicillin.

A freezing night, an artillery barrage that’s coming too close, a patient going downhill, and Frank’s searching Hot Lips’ tent for his letters.

When Hawkeye’s father is notified that he’s dead, he finds it’s no easy matter either to get word to him or to establish otherwise.

Frank settles in as commanding officer, only to have a new one appointed over his head, one that, to his chagrin, fits in very well.

Trapper is shipped home while Hawkeye is on R&R. Hawkeye speeds to Kimpo with Radar to catch Trapper’s plane, but they just miss him. While they are there, they pick…

Colonel Flagg blows into camp trying to obtain penicillin to barter for information. But Flagg comes down with appendicitis, and the only penicillin he gets is in the keister.

Everyone is happy when Henry finds out that he is being discharged and sent home, and Hawkeye and Trapper decide to literally send him off in style…

Frank buys two sets of pearls, one for Margaret and one for his wife. After some talk, Radar gets Hawkeye $3,000 in lost earnings, Hawkeye gives it to Mulcahy for…

The camp prepares for a visit from General MacArthur. Klinger dresses as the Statue of Liberty as the General’s jeep drives through the camp. MacArthur is so impressed, he salutes!

Hawkeye and Trapper prevent a GI from marrying a call girl who has TB, whilst trying to help a Korean soldier join his pregnant wife. Radar, of course, provides his…

Hawkeye is accused of hitting Frank and is placed under house arrest pending a court-martial. Meanwhile. Margaret is nervous about a visit from a meticulous female colonel.

Hawkeye, Houlihan, and Klinger go to an aid station at the front. Working closely together under heavy fire and unsanitary medical conditions, the three return to camp with new found…

Dr. Borelli visits the 4077th to demonstrate his artery transplant technique. Unfortunately, being so close to the front at the 4077th causes Borelli’s drinking problem to interfere at the worst…

Camp activities include Henry’s nervous delivery of a sex lecture, with Hawkeye’s and Trapper’s heckling, a Shirley Temple movie, and a cookout.