More and more universities are putting videos of their lectures online, revealing the quality of their professors or the lack thereof. Here are just a few that I've found. Much of what I'm linking to free content, but in some cases universities impose restrictions on who may view their courses for free. For instance, Stanford requires signing up.

University of California Berkeley

Webcast page

iTunes U page

Purdue University

University of Washington

Harvard Extension

University of Utah

Princeton University

University of Texas

WGBH Boston

Georgetown Law

Campbell Teaching

Dr. John Campbell has in the past covered topics largely about nursing, physiology and anatomy, but lately is fixed on COVID-19.

Youtube page

Massachusetts Inst. of Technology

• MIT OpenCourseWare
• MITWorld
• MIT Audio-visual links
• Algorithms

University of Idaho

Yale

• Yale Courses
• Ancient Greek history

Northwestern University

UCLA

UC San Diego

Google Code

Archive.org

• Despotism (1946) by Encyclopedia Britannica
• Meet Your Federal Government (1946) by Young America Films
• Law and Social Controls (1949) by Coronet Films
• Communism (1952) by Coronet Films

Feature Films

• Mr Smith Goes to Washington