M*A*S*H: Season 4
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Picks up essential narrative continuity directly following the events of M*A*S*H Season 3.
- Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
- Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
- Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
Episode Guide
Season 4 Progress Shield
Welcome to Korea
Sep 12, 1975 · 46 min
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 up BJ Hunnicut
Change of Command
Sep 19, 1975 · 25 min
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.
It Happened One Night
Sep 26, 1975 · 25 min
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.
The Late Captain Pierce
Oct 3, 1975 · 25 min
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.
Hey, Doc
Oct 10, 1975 · 25 min
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.
The Bus
Oct 17, 1975 · 25 min
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 recognize. When they
Dear Mildred
Oct 24, 1975 · 25 min
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.
The Kids
Oct 31, 1975 · 25 min
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.
Quo Vadis, Captain Chandler
Nov 7, 1975 · 25 min
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
Dear Peggy
Nov 11, 1975 · 25 min
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.
Of Moose and Men
Nov 21, 1975 · 25 min
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.
Soldier of the Month
Nov 28, 1975 · 25 min
Frank has a fever and makes a will, leaving all his money to his wife and all his clothes to Hot Lips.
The Gun
Dec 2, 1975 · 25 min
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 Call, Again
Dec 9, 1975 · 25 min
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.
The Price of Tomato Juice
Dec 16, 1975 · 25 min
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.
Dear Ma
Dec 23, 1975 · 25 min
Radar writes home to his mother, as Hawkeye conducts the camp foot inspection, and Colonel Potter gets some shrapnel in his backside.
Der Tag
Jan 6, 1976 · 25 min
Potter decides Frank would be less of a pain if the others were friendlier to him; they oblige, with some startling results.
Hawkeye
Jan 13, 1976 · 25 min
Hawkeye is injured in a jeep accident and, aware he has a concussion, babbles to a Korean family to keep himself awake.
Some 38th Parallels
Jan 20, 1976 · 25 min
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.
The Novocaine Mutiny
Jan 27, 1976 · 25 min
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 case;
Smilin' Jack
Feb 3, 1976 · 25 min
The 4077th turns up a sick helicopter pilot, 'Smilin' Jack, who doesn't want to quit, and a twice-wounded GI who does.
The More I See You
Feb 10, 1976 · 25 min
Hawkeye is reunited with a woman he thought was out of his life forever, but who never altogether leaves.
Deluge
Feb 17, 1976 · 25 min
A sudden deluge of wounded at the 4077th is followed by a fire and a rainstorm which makes matters difficult for the staff.
The Interview
Feb 24, 1976 · 25 min
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 ratin