| Title | Speaker(s) | Duration | Lecture Date | Votes |
| A Short History of Nearly Everything | Bill Bryson | 00:32:20 | 2005-03-10 | 18 |
| SXSW 2007 Rant | Bruce Sterling | 00:59:15 | 2007-03-13 | 6 |
| In Search of the Words of the Buddha | Richard Salomon | 00:50:50 | 2006-01-26 | 5 |
| David Lynch: Consciousness, Creativity and the Brain | David Lynch | 01:42:36 | 2005-11-06 | 5 |
| The Singularity: Your Future as a Black Hole | Bruce Sterling | 01:37:25 | 2004-06-11 | 5 |
| Celebrity Lecture Series: Kurt Vonnegut Jr. | Kurt Vonnegut Jr. | 01:32:29 | 1992-04-08 | 5 |
| The Pursuit of Happiness | Barry Schwartz | 00:20:22 | 2005-07 | 3 |
| Is the world really shrinking? | Doreen Massey | 00:58:54 | 2006 | 3 |
| The Economics of Climate Change: Risk, Ethics, and a Global Deal | Nicholas Stern | 01:24:46 | 2008-01-07 | 3 |
| Art of Reading a Poem | Harold Bloom | 01:59:00 | 2006-09-07 | 3 |
| Conversations with History: David Harvey | David Harvey | 00:54:27 | 2004-03-15 | 3 |
| History of The Byzantine Empire Part 1 of 13: Introduction | Lars Brownworth | 00:13:55 | 2006 | 3 |
| Structural Plasticity in the Adult Brain | Elizabeth Gould | 01:16:04 | 2007-04-25 | 3 |
| The Ignorance of Chicken, or, Who Believes What Today? | Slavoj Zizek | 01:00:39 | 2006-04-12 | 3 |
| A Brief History of Neoliberalism | David Harvey | 02:02:30 | 2006-11-02 | 3 |
| Shakespeare and Genius | Harold Bloom | 00:41:00 | 2003-03-25 | 3 |
| Reith Lectures 2006: 1- In the Beginning was Sound | Daniel Barenboim | 00:58:30 | 2006 | 3 |
| Bioneers 2000 Keynote | William McDonough | 00:45:07 | 2000-10-01 | 3 |
| He and his man | J.M. Coetzee | 00:35:00 | 2003-12-03 | 3 |
| Reith Lectures 2006: 3 - The Magic of Music | Daniel Barenboim | 00:43:32 | 2006 | 3 |
| So Predictable | Malcolm Gladwell | 00:00:00 | 2006-10-09 | 3 |
| Fashion, Faith and Fantasy in the New Physics of the Universe, Lecture 1: FASHION | Roger Penrose | 01:26:27 | 2003-10-17 | 3 |
| Jesus, Paul, and the Origins of Christianity | Paula Fredriksen | | 2000-09-17 | 3 |
| Reith Lectures 2006: 5 - The Power of Music | Daniel Barenboim | 00:52:41 | 2006 | 2 |
| History of The Byzantine Empire Part 9 of 13: Justinian - Part 3 | Lars Brownworth | 00:25:16 | 2006 | 2 |
| A Thousand Years Over a Hot Stove: A History of American Women Told Through Food, Recipes and Remembrances | Laura Schenone | 00:39:00 | 2005-04-20 | 2 |
| Why creationism is wrong and evolution is right | Steve Jones | 00:59:05 | 2006-11-06 | 2 |
| Humanities Tomorrow | Marie Boroff | 00:38:00 | 2006-09-30 | 2 |
| The Assembly of Neural Circuits in the Developing Brain | Thomas M. Jessell | 00:42:46 | 2004-05-13 | 2 |
| Russian identity: From Rasputin to Putin and back again | David Gillespie | 00:38:26 | 2006-01-11 | 2 |
| It's Every Monkey for Themselves | Vanessa Woods | 00:37:16 | 2007-03-07 | 2 |
| TV’s Great Writer | David Milch | 01:23:15 | 2006-04-20 | 2 |
| Manet and Cézanne: The 'Heroics' of Modernism | Carol Armstrong | 01:12:24 | 2002-12-11 | 2 |
| Celebrity Lecture Series: Margaret Atwood | Margaret Atwood | 00:00:00 | 1994-04-18 | 2 |
| The Fog of War: Robert S. McNamara and Errol Morris in Discussion | Errol Morris | 01:12:22 | 2004-02-04 | 2 |
| Robert Hooke: The Man Who Measured London | Lisa Jardine | 01:17:40 | 2004-03-09 | 2 |
| Citizenship and Leadership | Daniel N. Robinson | 01:26:52 | 2005-02-23 | 2 |
| Reith Lectures 2006: 2 - The Neglected Sense | Daniel Barenboim | 00:43:32 | 2006 | 2 |
| Moses and Viennese Jewish Modernism | Abigail Gillman | 00:28:33 | 2006-12-03 | 2 |
| The Stern Review on the Economics of Climate Change | Dimitri Zenghelis | 01:35:24 | 2006-11-28 | 2 |
| Fashion, Faith and Fantasy in the New Physics of the Universe, Lecture 2: FAITH | Roger Penrose | 01:18:30 | 2003-10-20 | 2 |
| Crediting Poetry | Seamus Heaney | 00:51:00 | 1995-12-07 | 2 |
| Brian Eno @ Pop!Tech 2006 | Brian Eno | 00:19:30 | 2006 | 2 |
| The Coming Revolutions in Fundamental Physics | David Gross | 01:38:10 | 2007-10-19 | 2 |
| What Does College Have to Do With Meaningful Work in a Meaningful Life? | Howard Gardner | 00:59:29 | 2007-03-29 | 2 |
| Transforming American Healthcare | Bill Bradley | 00:54:00 | 2006-03-24 | 2 |
| Reith Lectures 2006: 4 - Meeting in Music | Daniel Barenboim | 00:43:32 | 2006 | 2 |
| The Veritas Forum at Berkeley: The Language of God | Francis Collins | 02:04:28 | 2008-02-04 | 2 |
| Poetry and American Memory | Robert Pinsky | 01:27:00 | 1998-10-08 | 2 |
| Making Digital Durable: What Time Does to Categories | Clay Shirky | 01:36:30 | 2005-11-14 | 1 |