**Watch MAS*H Season 7 Episode 22: Preventative Medicine Online**

	IMDB Rating: 7.4/10 from 142 votes
	Release: 1979 / MAS*H / Season 7 / Episode 22
	Genre: Comedy \| Drama \| War
	Director: Tony Mordente
	Stars: Alan Alda, Mike Farrell, Harry Morgan
	Synopsis: BJ is appalled when his patient has entry wounds entering his body from 3 different directions. Col. Potter reminds him of Lt. Col. Lacy, 163rd Combat Infantry, the CO with the highest casualty rate of any single battalion in the sector. Apparently, Lacy refused to obey an order to retreat and subjected his men to hell. Poor Klinger: he has tried chicanery, malingering and endless flim-flammery, but now, Klinger is pulling out the heavy artillery, voodoo, to get his Section 8. Lacy visits the Post Op and one of his own men, Corporal North, turns away. Margaret is intrigued with the virile Lacy until she lunches with him and Lacy tells Margaret of his latest plan to take Hill 403. His plan is based on a plan used in the WWII Battle of Monte Casino...and it has a 20-30% casualty rate. Margaret understands this translates to 100 men and she leaves the table, sick. BJ and Hawkeye despise Lacy and his hypocracy; he thrives on his war games. Potter writes an unprecedented letter to I Corp ...