The episode you are referring to is (Season 3, Episode 15), which originally aired on January 7, 1975 .
The episode was written by and Everett Greenbaum and directed by Hy Averback . It is well-regarded by fans on sites like MASH4077TV for its balance of physical comedy and the genuine tension of being under fire. Episode Spotlight: Bombed - MASH4077TV.com "M\*A\*S\*H" Bombed(1975)
: Trapper John McIntyre and Margaret "Hot Lips" Houlihan find themselves stuck in the supply room during the bombardment. The proximity leads to a rare, semi-vulnerable interaction between the two, though Margaret ultimately rebuffs Trapper's advances. The episode you are referring to is (Season
In this episode, the unit comes under heavy shelling, leading to several memorable and tense moments: Episode Spotlight: Bombed - MASH4077TV
: Despite the intensity of the shelling, the camp sustains relatively minor damage, including a smashed water tank and a knocked-out generator, with only three minor injuries reported.
: Colonel Blake and Father Mulcahy are nearly killed when a shell lands right next to the latrine while they are inside.