With Potter in Seoul and Charles incapacitated, Hawkeye takes command of the 4077th — and soon learns how difficult it is to be in charge. This is the first episode featuring a mustachioed B.J. Hunnicutt, which he will keep for the remainder of the series.

Hawkeye takes matters into his own hands when peace talks break down. This was the episode in which B. J. grows his mustache. Featuring Kevin Hagen of Little House on the Prairie.

Radar fears Colonel Potter's friendship with a visiting Nurse Colonel may be inappropriate. Starring Carmen Mathews as Col. Lilian "Lil" Rayborn. Klinger gives the date as September 10.

An hour-long clip show (split for syndication): A newsreel correspondent (Clete Roberts) interviews the characters about life at the 4077th.
The new footage for this episode was filmed in black and white, while the clips from past episodes — which include Henry Blake, Trapper John McIntyre, and Frank Burns — are in their original color. The interviewer states the date is October 9, 1952.

Charles gives everyone the silent treatment, while Sidney is summoned to speak to a shell-shocked medic who has forgotten his own identity.
Stanley Tischer and Larry L. Mills received Primetime Emmy and ACE Eddie Award nominations for editing this episode.

During a heat wave, Hawkeye and B.J. get a portable bathtub, Klinger tries to sweat his way out of the Army, and Radar needs a tonsillectomy.

A gale from Manchuria produces multiple injuries which tie down all the doctors — including Charles, who is stranded at an accident site en route to R&R in Seoul and has only Klinger to assist him.

Charles' ego inflates when a reporter comes to the 4077th to do a story about him after he saves a life in the OR.
Note – Gary Burghoff does not appear in this episode.

During a cold snap, Charles makes everyone jealous with his winter coat, while Hawkeye must treat a patient with severe hypothermia and Klinger loses his hearing in a land mine explosion.
Gary David Goldberg won the Writers Guild Award for this episode.

The 4077th is seen from the perspective of a Private Rich, who is brought in for throat surgery after being wounded by shrapnel. A foul-tempered Colonel Potter admits to Rich that he forgot to call Mildred on their anniversary; Rich later passes the message to Hawkeye, who gets Radar to call Mildred so she and Potter can talk.
The episode has no laugh track.
Charles Dubin received Primetime Emmy and Directors Guild Award nominations for this episode, while Ken Levine and David Isaacs received Primetime Emmy and Writers Guild Award nominations.

Charles' new houseboy (Sab Shimono) is actually a North Korean spy sent to discover the secret of the 4077th's success in medicine.
Note – Gary Burghoff does not appear in this episode.

Father Mulcahy volunteers to deal with black marketeers when the camp runs short of sodium pentothal anesthetic.

Father Mulcahy is unhappy about not being promoted, while Hawkeye and B.J. start a prank war with Charles and Margaret using a visiting chopper pilot's counterweight dummy.
Note – Gary Burghoff does not appear in this episode.

Father Mulcahy writes to his sister at Christmas about feeling useless at the 4077th, but his deeds convince him otherwise.

B.J. cares for a poor Korean family, while a general is unamused by Hawkeye's bedside manner.

A female Swedish surgeon (Mariette Hartley) proves herself superior to Hawkeye and Charles — who vie for her affection.
Alan Alda won the Primetime Emmy Award for writing this episode.
Note – Gary Burghoff does not appear in this episode.

Hawkeye and B.J. keep a Korean draft dodger hidden, while Klinger tries to bribe his way out of the Army and Potter's mare disappears.

The surgeons of the 4077th, particularly Charles and Potter, are envious of a brilliant youngster who bruises their egos.
Mitch Markowitz received a Writers Guild Award nomination for this episode.

Margaret gets divorced from Donald, while Radar tries to assert himself with an attractive young nurse.

When the 4077th is forced to evacuate to a cave during an artillery barrage, Hawkeye wrestles with his claustrophobia and Margaret fights back her unexpected terror at loud noises.
Note – Gary Burghoff does not appear in this episode.

Colonel Flagg, considering Hawkeye a Communist for giving surgical priority to a wounded North Korean, presses Charles to find proof. This was Flagg's final appearance in the series.

Hawkeye plots to put a visiting commanding officer with the highest casualty rate in Korea off duty while also wrestling with BJ about the ethics of the situation.

The whole camp seeks refuge at Rosie's to get away from the war. This episode marks the first of three appearances of Sergeant Jack Scully (Joshua Bryant).

Klinger falls for a classy nurse while Charles tries to reform a Korean business girl at Rosie's.

Note – Gary Burghoff does not appear in this episode. But Radar is mentioned

B.J. tries to arrange a party for the staff's stateside families, amid skepticism that it'll ever happen.