The first five awe-inspiring minutes of Carl Sagan's award-winning Cosmos series.
Carl Sagan reading the now-legendary Pale Blue Dot passage from the book of the same name.
Carl Sagan on the Tonight Show hosted by John Denver, standing in for Johnny Carson; classic Carl Sagan.
The Demon Haunted World: The classic work on critical and skeptical thinking. It's a lifechanger.
Carl Sagan interviewed by Ted Turner circa 1989. This is part 1 of a 5 part series on YouTube, Carl Sagan at his best in describing our common humanity, space, the benefits of scientific literacy and the fragility of our world. Classic Sagan - time very well spent.
Carl Sagan's Baloney Detection Kit: The classic tool for critical thinking and detecting fallacious and/or fraudulent arguments, and a lot of other resources.