Actor Christian Slater appears at AFI FEST 1989 and, 17 years later, at AFI FEST 2006. (Photo by Kevin Winter/Getty Images.)

AFI FEST 2006 presented by Audi celebrates 20 years and honors its precursor FILMEX: Los Angeles Film Exposition, founded in 1971, at its peak the largest public film event in the world.

Celebrations include a 24 Hour Movie Marathon and Fundraiser, November 11 at noon. Discover a 35-year database and timespine of every film and award at FILMEX and AFI FEST, plus view trailers, videos, ads and photographs from both festivals, at www.AFI.com/AFIFEST.