If you're looking to watch something educational tonight, there's a few things you should check out (or set your respective TiVos or DVRs to record.)

From Stick Figure Productions:

Night Shift, a 2 part series, airs Wednesday July 23rd at 9:00 PM on the National Geographic Channel. The series follows men and women who work the dangerous 3rd shift in America (further information linked below). Tomorrow's episode features Repo Men.

Link: Night Shift (NatGeo) 

From CNN:

Black in America, also a 2 part series, also airs Wednesday July 23rd at 9:00 PM on CNN. This 18-month project began in April with Soledad O'Brien as a look into the assassination of Dr. King and continues with The Black Woman & Family and The Black Man segments.

Link: Black in America (CNN)