AMERICAN EXPERIENCE
http://www.pbs.org/wgbh/amex/
As television's longest-running, most-watched history series, American Experience brings to life the incredible characters and epic stories that helped form this nation. Now in its eighteenth season, the series has produced over 220 programs and garnered every major broadcast award.
American Experience Online premiered in November of 1995 and has since won accolades from viewers and critics alike. To date, American Experience Online has produced over 100 feature sites. These sites encourage in-depth exploration of the issues surrounding each documentary subject beyond the television screen. American Experience Online has been recognized by a number of online and print publications including Yahoo, USA Today Online, Broadcasting and Cable, The Washington Times, and TV Guide.
INDEPENDENT LENS
http://www.pbs.org/independentlens/index.html
Airing weekly on PBS, the Emmy award-winning series Independent Lens is like an independent film festival in your living room. Each episode introduces new documentaries and dramas made by independent thinkers: filmmakers who are taking creative risks, calling their own shots and finding untold stories in unexpected places.
FRONTLINE
http://www.pbs.org/wgbh/pages/frontline/
Since January 1983, FRONTLINE has served as American public television's - PBS - flagship public affairs series. Hailed upon its television broadcast debut as "the last best hope for broadcast documentaries," FRONTLINE's stature over 25 years is reaffirmed each week through incisive documentaries covering the scope and complexity of the human experience.
NOVA
http://www.pbs.org/wgbh/nova/programs/
NOVA is the highest rated science series on television and the most watched documentary series on public television. It is also one of television's most acclaimed series, having won every major television award, most of them many times over.