Season
- Season 1 2000-05-07
- Season 2 2000-09-10
- Season 3 2003-05-01
- Season 4 1970-01-01
- Season 5 1970-01-01
- Season 6 1970-01-01
- Season 7 1970-01-01
- Season 8 2010-05-06
- Season 9 2010-09-30
- Season 10 2011-01-06
- Season 11 2011-04-07
- Season 12 2011-09-29
- Season 13 2012-04-05
- Season 14 2012-11-10
- Season 15 1970-01-01
Season 15 Episode
- Season 1 What are the Grand Questions of Science?
- Season 1 Will the Internet Change Humanity?
- Season 1 What's Creativity and Who's Creative?
- Season 1 New Communities for the New Millennium?
- Season 1 How Did This Universe Begin?
- Season 1 Can We See the Near Future - Year 2025?
- Season 1 What Is Consciousness?
- Season 1 Can You Really Extend Your Life?
- Season 1 Can ESP Affect Our Lives?
- Season 1 Whatever Happened to Ethics and Civility?
- Season 1 How Does Technology Transform Thinking?
- Season 1 Strange Physics of the Mind?
- Season 1 Can Science Seek the Soul?
- Season 1 Does Sex Have a Future?
Closer to Truth - Season 1 Episode 14 Does Sex Have a Future?
6.00 48 minutes A discussion of what happens when technology multiplies sexual options and accelerates sexual shifts, with sex therapists Cliff and Joyce Penner, biophysicist Gregory Stock, human-sexuality authority Paul Abramson and medical historian Vern Bullough. Host: Robert L. Kuhn.
