Season
Season 11 Episode
- Season 4 Andrew Sullivan, Richard Freeman
- Season 4 Chris Beam, Gary Rosen
- Season 4 Gov. Mike Huckabee, Matt Taibbi
- Season 4 Norman Ornstein, Muhammad Yunus
- Season 4 Neil Shubin
- Season 4 Peter Hopkins, Jared Cohen
- Season 4 Deborah Tannen
- Season 4 Lou Dobbs, David Levy
- Season 4 Allan Sloan, Eric Weiner
- Season 4 Malcolm Gladwell, Andrew Young
- Season 4 Stephen Colbert's Sport Report
- Season 4 Debra Dickerson, Charles Nesson
- Season 4 Marjane Satrapi, Rick Warren
- Season 4 Joe Quesada, Alex Ross
- Season 4 Carl Hiaasen, Frans de Waal
- Season 4 Tim Harford, Andrew Napolitano
- Season 4 Tony Campolo, Jacob Weisberg
- Season 4 Angelo Falcon, Bob Dole
- Season 4 Richard Brookhiser, Tad Devine
- Season 4 Mark Moffett
- Season 4 Aubrey de Grey, Philip Zimbardo
- Season 4 Gov. Eliot Spitzer, Eleanor Holmes Norton, Lisa Randall
- Season 4 David Gracer, Richard Thompson Ford
- Season 4 John Feinstein, Leonard Nimoy
- Season 4 Henry Louis Gates Jr.
- Season 4 Tony Snow
- Season 4 Richard Brookhiser, Ingrid Newkirk
- Season 4 Lorin Maazel, Shashi Tharoor
- Season 4 William Donohue, Howard Dean, Jennifer 8. Lee
- Season 4 Robert Reich, Gregory Rodriguez
- Season 4 John Legend
- Season 4 George McGovern
- Season 4 Geraldo Rivera
- Season 4 Howard Kurtz
- Season 4 Hussein Ibish, Sudhir Venkatesh
- Season 4 Samantha Power
- Season 4 Carole King
- Season 4 Dee Dee Myers
- Season 4 Dean Kamen
- Season 4 Eric Alterman, Michael Reynolds
- Season 4 Van Jones
- Season 4 R.E.M.
- Season 4 Clay Shirky
- Season 4 Trevor Paglen, Jesse Ventura
- Season 4 Madeline Albright
- Season 4 Jeff Gore
- Season 4 Robin Wright
- Season 4 John Legend, Mayor Michael Nutter, Chris Matthews
- Season 4 Michelle Obama, The Roots
- Season 4 Philadelphia Eagles Cheerleaders, Gov. Ed Rendell
- Season 4 Hillary Clinton, Patrick Murphy, John Edwards, Barack Obama
- Season 4 Fr. James Martin, Sen. Bernie Sanders
- Season 4 Susan Jacoby
- Season 4 Mitch Albom
- Season 4 Maria Shriver
- Season 4 Feist
- Season 4 Anne Lamott
- Season 4 Donna Brazile, Noah Feldman
- Season 4 James Kunstler
- Season 4 Carl Hiaasen
- Season 4 Nathan Gunn
- Season 4 Hasan Elahi, George Johnson
- Season 4 Arianna Huffington
- Season 4 Dr. Mehmet Oz
- Season 4 Jennifer Hooper McCarty
- Season 4 Laura Dern, Grover Norquist
- Season 4 Andrei Cherny
- Season 4 Tony Perkins, Brian Greene
- Season 4 Sen. Claire McCaskill
- Season 4 Tad Devine, David Sirota
- Season 4 Jon Paskowitz
- Season 4 George Will
- Season 4 Rep. Bob Barr, Salman Rushdie
- Season 4 Pat Buchanan
- Season 4 Phil Weiss
- Season 4 Alan Rabinowitz
- Season 4 David Hajdu
- Season 4 Winona LaDuke, Dixon Despommier
- Season 4 Kenneth Miller
- Season 4 Neal Katyal, Jonathan Zittrain
- Season 4 Uma Mysorekar, Junot Díaz / Lexicon Artist
- Season 4 Bishop N.T. Wright
- Season 4 Barbara Ehrenreich
- Season 4 Jason Bond, Will Smith
- Season 4 Paul Goldberger, Neil deGrasse Tyson
- Season 4 Rep. Robert Wexler
- Season 4 Lama Surya Das, Daniel C. Esty
- Season 4 Julia E. Sweig, Jason Riley
- Season 4 Rush
- Season 4 Elizabeth Edwards
- Season 4 Sen. Jim Webb
- Season 4 Lucas Conley
- Season 4 Nas
- Season 4 Laurie Goodstein, Garrett Reisman
- Season 4 Toby Keith
- Season 4 Eric Roston
- Season 4 Crosby, Stills & Nash
- Season 4 Buzz Aldrin
- Season 4 Lucas Conley, The Apples in Stereo
- Season 4 David Carr
- Season 4 Jason Bond, Kevin Costner
- Season 4 Devin Gordon, Thomas Frank
- Season 4 Jorge Ramos
- Season 4 Joey Cheek, Jane Mayer
- Season 4 Dick Meyer
- Season 4 Bing West
- Season 4 Rep. Bob Barr, Scott McClellan
- Season 4 Gov. Mike Huckabee
- Season 4 Richard Brookhiser
- Season 4 John McWhorter
- Season 4 Laura D'Andrea Tyson
- Season 4 Doris Kearns Goodwin
- Season 4 Adam Brickley, Ron Paul
- Season 4 Gov. David Paterson
- Season 4 Peter J. Gomes
- Season 4 Tyson Slocum, Rick Reilly
- Season 4 Robert Lutz
- Season 4 Maria Bartiromo
- Season 4 Jackson Browne
- Season 4 Joe Nocera, Cornel West
- Season 4 Nick Carr
- Season 4 Paul Begala
- Season 4 James Taylor
- Season 4 Dave Levin
- Season 4 Stephen Greenblatt, Naomi Klein
- Season 4 Jim Cramer
- Season 4 Nate Silver
- Season 4 Joe Scarborough
- Season 4 David Gergen, Oliver Stone
- Season 4 Bethany McLean, Kathleen Parker
- Season 4 Joseph Stiglitz
- Season 4 Shai Agassi
- Season 4 Brent Glass, Robert Greenwald
- Season 4 Fareed Zakaria, Wynton Marsalis
- Season 4 Michael Farris
- Season 4 David Frum
- Season 4 Jonathan Alter
- Season 4 Yo-Yo Ma
- Season 4 Brian Moore, Sherman Alexie
- Season 4 David Simon
- Season 4 Wilco
- Season 4 Charlie Cook, Andrew Sullivan
- Season 4 Indecision 2008: America's Choice
- Season 4 Ambassador Andrew Young
- Season 4 Rachel Maddow
- Season 4 Dan Savage, Kevin Johnson
- Season 4 Bob Woodward
- Season 4 Stephen Moore
- Season 4 Malcom Gladwell
- Season 4 Paul Simon
- Season 4 Michael Lewis
- Season 4 Cory Booker, Thomas L. Friedman
- Season 4 Khaled Hosseini, Roland Fryer
- Season 4 Jeffrey Goldberg
- Season 4 Barbara Walters
- Season 4 Sen. Bob Graham, Nicholas Wade
- Season 4 Geoffrey Canada
- Season 4 Kevin Bacon, Charlie Kaufman
- Season 4 Richard Haass
- Season 4 Michael Phelps
The Colbert Report - Season 4 Episode 90 Elizabeth Edwards
6.90 24 minutes Tonight Stephen welcomes the wife of former Presidential candidate John Edwards and author of Saving Graces: Finding Solace and Strength from Friends and Strangers, Elizabeth Edwards.
