Crime and Deviance:
A Clockwork Orange, Blue Velvet
Social Stratification:
The Magnificent Ambersons
Race and Ethnicity:
Smoke Signals
Gender and Sexuality:
Eyes Wide Shut, The Celluloid Closet, Secretary, Crash (Cronenberg)
Politics:
Dr. Strangelove, The Manchurian Candidate
Families:
The Little Foxes
The Mass Media:
Broadcast News, All the President's Men, His Girl Friday, The Sweet Smell of Success, Absence of Malice, Videodrome
Technology and Society:
2001, Robocop
Crime and Deviance: River's Edge, Deathtrap
Gender and Sexuality: Victor/Victoria
Research Methods: Songcatcher
Socialization: Nell
Social Stratification: Nobody's Fool, Less than Zero, Evening
Families: The Hotel New Hampshire, Safe Passage
Ooh, RoboCop. Good call.
I know. I can't believe I forgot that one during the "superhero movies not based on a comic book" discussion. That one probably tops my list.
Technology and Society: Minority Report
Gender and Sexuality: Velvet Goldmine
My favorite American directors version (some may have already been mentioned)!
Socialization: The Player, The Ballad of Cable Hogue
Social Interaction: California Split, Major Dundee, Junior Bonner
Crime and Deviance: Thieves Like Us, The Long Goodbye, Badlands, the Getaway
Social Stratification: Short Cuts, Days of Heaven, Straw Dogs
Development and Underdevelopment: McCabe & Mrs. Miller, The New World, The Wild Bunch, Pat Garrett & Billy The Kid
Race and Ethnicity: Cookie's Fortune, The Searchers
Gender and Sexuality: Streamers
Work: The Company, Gosford Park
Politics: Tanner '88, Nashville, Bring Me The Head of Alfredo Garcia, The Man Who Shot Liberty Valence
Families: 3 Women, A Prairie Home Companion, The Thin Red Line, Stagecoach
Religion: Ride the High Country (obliquely)
Health and Medicine: MASH
How newish or well known do these have to be?
Crime and Deviance: Monsieur Verdoux, Rope
Family: Nothing in Common
Gender and Sexuality: The Philadelphia Story
Families: Life With Father, Kildred Pierce
Socialization: Now Voyager
Social Stratification: The Adventures of Robin Hood
Would Social Interaction include "circle of friends" movies? I'm thinking of Steel Magnolias, which I've never seen but sounds like it would fit here.
Gender and Sexuality: The Philadelphia Story
I would actually put that under "Social Stratification".