I need to find the title of a movie shown on public broadcasting system or BET that depicts a young black man transported back in time to slavery for him to understand what happened during that time

Black Knight (2001)

http://homepage.mac.com/billtomlinson/timemovie.html / time travel movies
http://features.metacritic.com/features/2010/the-best-and-worst-time-travel-movies/

Hope you find what your looking for.

Brother Future (TV 1991) (http://www.imdb.com/title/tt0264441/)