Over the next few weeks, film writers will be busy parsing the Oscar chances of inessential movies like American Hustle and Gravity; praising Sundance movies we mortals won’t be able to see for months, when they’ll slip silently in and out of theaters (if at all); and deriding the crap that’s released this month. Ignore it all. This is the time to discover one great movie you missed last year. Many are streaming for free or for cheap. Here are some.