**Watch MASH Season 7 Episode 20: CAVE Online**

	IMDB Rating: 7.6/10 from 142 votes
	Release: 1979 / MAS*H / Season 7 / Episode 20
	Genre: Comedy \| Drama \| War
	Director: William K. Jurgensen
	Stars: Alan Alda, Mike Farrell, Harry Morgan
	Synopsis: From the Post Op, it sounds like the 4077 is caught in a cross-fire of 105s (cannons). An idiot at I Corps refuses to move the fighting because the Signal Operating Instructions (SOI) book Col. Potter uses was superseded; Potter cannot correctly respond to Victor Zulu. So, the CO orders everyone to evacuate to an abandoned cave, 1/2 mile away, which the Koreans once used as an aid station. Hawkeye is uncharacteristically opposed to the new idea and it becomes apparent he suffers from fear of small spaces: claustrophobia. He ventures inside, but he cannot stay for long. Klinger is the blood bank for Pvt. Lovett; he tells Lovett that he (Klinger), Chuckles and Father Mulcahy all have the same blood type: one is bluer and one is purer, than his own. Margaret confesses her worst fear: loud noises. Private Lovett needs surgery that cannot be done in the cave, so Hawkeye and Margaret bring him back to the 4077 OR, where Hawkeye tries to distract his nurse from hysteria with a rousing game ...