MIT offers over 100 open courses covering political science topics. Includes re-usable lecture videos, problem sets and exams. Especially excellent in international relations and comparative politics with an orientation toward issues of public policy both domestic and international.
The POWERMUTT (Politically-Oriented, Web-Enhanced Research Methods for Undergraduates - Topics and Tools) Project is a Web site that can serve as a basic on-line textbook for teaching research methods in political science and cognate disciplines.
Films For Action has cataloged over 1,500 of the best films and videos that can be watched free online. These films address social, environmental, and media-related issues.