Welcome to #33 on the Top 100, where we enter the locked wards of an Oregon psychiatric hospital and ask ourselves: who, exactly, is sane? Directed by Miloš Forman and based on Ken Kesey's landmark novel, *One Flew Over the Cuckoo's Nest* is one of the most electrifying films ever made. Jack Nicholson plays Randle P. McMurphy, a fast-talking, rule-breaking force of nature who gets himself transferred to a mental institution to avoid hard labor, and proceeds to turn the whole place upside dow...