4x1 - Andrew Sullivan, Richard Freeman

January 7, 2008

4x2 - Chris Beam, Gary Rosen

January 8, 2008

4x3 - Gov. Mike Huckabee, Matt Taibbi

January 9, 2008

4x4 - Norman Ornstein, Muhammad Yunus

January 10, 2008

4x5 - Neil Shubin

January 14, 2008

4x6 - Peter Hopkins, Jared Cohen

January 15, 2008

4x7 - Deborah Tannen

January 16, 2008

4x8 - Lou Dobbs, David Levy

January 17, 2008

4x9 - Allan Sloan, Eric Weiner

January 21, 2008

4x10 - Malcolm Gladwell, Andrew Young

January 22, 2008

4x11 - Stephen Colbert's Sport Report

January 23, 2008

4x12 - Debra Dickerson, Charles Nesson

January 24, 2008

4x13 - Marjane Satrapi, Rick Warren

January 28, 2008

4x14 - Joe Quesada, Alex Ross

January 29, 2008

4x15 - Carl Hiaasen, Frans de Waal

January 30, 2008

4x16 - Tim Harford, Andrew Napolitano

January 31, 2008

4x17 - Tony Campolo, Jacob Weisberg

February 4, 2008

Tonight Stephen welcomes Slate editor in chief Jacob Weisberg, author of The Bush Tragedy. Also, Stephen talks with Tony Campolo, author of Red Letter Christians, about the Chrisitian right's influence on politics.

4x18 - Angelo Falcon, Bob Dole

February 5, 2008

4x19 - Richard Brookhiser, Tad Devine

February 6, 2008

Tonight Stephen welcomes Democratic strategist Tad Devine. Also Stephen talks with the senior editor of The National Review Richard Brookhiser about whether the Republicans will vote for John McCain.

4x20 - Mark Moffett

February 7, 2008

Tonight Stephen welcomes naturalist Mark Moffett, author of Face to Face with Frogs. Also, Presidental candiate and former Arkansas Governaor Mike Huckabee stops by to discuss, and play air hockey with Stephen, about which state he hopes to win next.

4x21 - Aubrey de Grey, Philip Zimbardo

February 11, 2008

Stephen begins with congratulating Barack Obama winning a Grammy award for "Best Spoken Word Album" for The Audacity of Hope: Thoughts on Reclaiming the American Dream. He then talks about Mitt Romney dropping out of the race for President. He then interviews Aubrey de Gray about defeating aging and trying to make John McCain young. Stephen then talks about his portait to Marc Pachter (over the telephone). Pachter tells him that the portait has increased the number of visitors to the museum and that it will now be displayed in the National Portrait Museum until April 1. He then interviews Philip Zimbardo about "The Lucifer Effect" and how people become evil.

4x22 - Gov. Eliot Spitzer, Eleanor Holmes Norton, Lisa Randall

February 12, 2008

Stephen begins with a discussion on Mike Huckabee's running mate. Stephen claims that via obligation, he should be the running mate. He also displays his dislike of John McCain, due to other right-wing political pundits, such as Rush Limbaugh, disliking McCain. He then talks to superdelegate Eliot Spitzer about superdelegates. He then talks to Eleanor Holmes Norton, another superdelegate, about her support of Barack Obama. Finally, Stephen interviews Lisa Randall about other dimensions.

4x23 - David Gracer, Richard Thompson Ford

February 13, 2008

Stephen begins by talking about how he survived the writers strike. He brings his writers (including, strangely enough, Tiki Barber, Mikhail Baryshnikov and Kevin Bacon) onto the set and welcomes them back personally. He then interviews David Gracer about eating insects. Stephen then introduces a new segment, "Stephen Colbert's Fallback Position," where he investigates different jobs he may take if he loses his job as a pundit. He investigates becoming a astrophysicist with Neil deGrasse Tyson. Finally, he interviews Richard Thompson Ford about the Democrats, and how he thinks the "race card" is being played too often.

4x24 - John Feinstein, Leonard Nimoy

February 14, 2008

Stephen begins with "Who's Riding my Coattails now?", putting German comedian Oliver Pocher on notice for stealing his pose that he used on the front cover of GQ magazine. He then talks about the Roger Clemens hearing, defending Brian McNamee collecting used medical waste by claiming that he does it also. He then interviews John Feinstein about the use of steroids in sport. In "People Destroying America", Stephen talks about Susan Pagan, who refused to give his daughter a free Happy Meal for getting good grades. He then interviews Leonard Nimoy about a book featuring nude photos of overweight women.

4x25 - Henry Louis Gates Jr.

February 26, 2008

Stephen starts by talking about a photo of Barack Obama in Muslim dress, claiming he is a terrorist. He says that the photo does not devide people, but unites people by making them think that Obama is a terrorist. In "The Wørd", Stephen agrees with Bill O'Reilly that a New York Times article about Vicki Iseman, but mainly because he claims the article was written poorly. In a special "Movies That Are Destroying America" entitled "Oscars That Are Destroying America", he attacks the fact that too many awards went to foreigners. Stephen then talks to Henry Louis Gates, Jr. about race and agrees to have a DNA test to see how black he is.

4x26 - Tony Snow

February 27, 2008

Stephen begins by discussing a recent John McCain rally, in which opening speaker Bill Cunningham said negative things about Barack Obama. The "Threatdown:" 5. Monopoly! 4. Richard Branson! 3. Bankruptcy! 2. John McCain! 1. Starbucks! He then talks about all Starbucks locations closing for three hours to re-train employees. Finally, Stephen interviews Tony Snow about his experience as White House Press Secretary.

4x27 - Richard Brookhiser, Ingrid Newkirk

February 28, 2008

Tonight Stephen welcomes the president and co-founder of PETA, Ingrid Newkirk. Also, Stephen talks with the senior editor for The National Review magazine Richard Brookhiser about the influence the late William F. Buckley Jr had on conservatism and political talk shows

4x28 - Lorin Maazel, Shashi Tharoor

March 3, 2008

Tonight Stephen welcomes the former UN undersecretary general for communications and public information, and author of The Elephant, the Tiger, and the Cell Phone: The Emerging 21st Century Power, Shashi Tharoor. Also, Stephen talks with the conductor for the New York Philharmonic, Maestro Lorin Maazel about their recent concert in North Korea.

4x29 - William Donohue, Howard Dean, Jennifer 8. Lee

March 4, 2008

Stephen starts by talking about John McCain and his support from John Hagee. Stephen expresses his anger of Hagee's views about Catholics. However, as a Christian, he is forced to turn the other cheek. Therefore, Stephen gets William Donohue to express his anger for him. In "The Wørd," he talks about McCain's continued claims of experience, but only over certain things. Next, Howard Dean calls Stephen to talk about the primaries. In "Nailed 'Em," he talks about a six-year-old girl who was cited for vandalism after drawing on the pavement in front of her front door with chalk. Finally, Stephen interviews Jennifer 8. Lee about Chinese food.

4x31 - John Legend

March 6, 2008

Tonight Stephen welcomes musician John Legend.

4x32 - George McGovern

March 10, 2008

Stephen begins by talking about the Eliot Spitzer scandal. In "The Wørd," he talks about Hillary Clinton's claim that she is ahead in the Democratic primaries because she was won bigger states. Stephen then presents a special repor-t called, "The '72 Democrats: Alone Again Naturally" covering the history of the 1972 Democratic presidential race. Stephen makes clear his dislike of George McGovern, whom he then interviews. This episode marks the first appearance of the phrase "President Bush Have a Hot Dog With Me" in the opening titles.

4x33 - Geraldo Rivera

March 11, 2008

Stephen talks about his hate for John McCain, which he is forced to set aside to support him as the Republican nominee. In "The Wørd," Stephen explains how McCain is like a boyfriend who the country could get used to after getting to know him better. He concludes the segments by showing clips of Sean Hannity, Rush Limbaugh, Ann Coulter, and Mitt Romney saying negative things about McCain, then juxtaposing them with clips of most of these same people endorsing and talking proudly about McCain. Then in Colbert Platinum, he talks about fake Ferraris and the destruction of homes in Liechtenstein. Finally Stephen interviews Geraldo Rivera about his new book, HISPANIC (the "his" and "panic" portrayed as different words) about the fear generated by the right wing about illegal immigrants coming into the United States. Stephen ends the interview by playing the clip of Geraldo on The O'Reilly Factor when he said, "The two guys, Stewart and Colbert... they make a living showing clips of old ladies slipping on ice and people laughing. That's their life, that's their life. They exist in a small little place where they count for nothing." When Stephen asks Geraldo to clarify, Geraldo admits that he changed his mind about Stephen.

4x34 - Howard Kurtz

March 12, 2008

4x35 - Hussein Ibish, Sudhir Venkatesh

March 13, 2008

Tonight Stephen welcomes Columbia University professor and author of Gang Leader for a Day: A Rogue Sociologist Takes it to the Streets, Sudhir Venkatesh.

4x36 - Samantha Power

March 17, 2008

Tonight Stephen welcomes Pulitzer Prize winning journalist and author of Chasing the Flame: Sergio Vieira de Mello and the Fight to Save the World, Samantha Power.

4x37 - Carole King

March 18, 2008

Tonight Stephen welcomes legendary singer/songwriter Carole King.

4x38 - Dee Dee Myers

March 19, 2008

Tonight Stephen welcomes former White House Press Secretary and author of Why Women Should Rule the World, Dee Dee Myers.

4x39 - Dean Kamen

March 20, 2008

4x40 - Eric Alterman, Michael Reynolds

March 31, 2008

Tonight Stephen welcomes professor of English and journalism and author of Why We're Liberals: A Political Handbook for Post-Bush America, Eric Alterman.

4x41 - Van Jones

April 1, 2008

Tonight Stephen welcomes the co-founder of the Ella Baker Center for Human Rights, Van Jones.

4x42 - R.E.M.

April 2, 2008

Tonight Stephen welcomes classic American rock band R.E.M. to talk about their new album, "Accelerate".

4x43 - Clay Shirky

April 3, 2008

Tonight Stephen welcomes telecommunications professor and author of Here Comes Everybody: The Power of Organizing without Organizations, Clay Shirky.

4x44 - Trevor Paglen, Jesse Ventura

April 7, 2008

Tonight Stephen welcomes former pro wrestler and Governor of Minnesota and author of Don't Start the Revolution Without Me!, Jesse Ventura. Also, Stephen talks with Trevor Paglen about the supposed shoulder patches worn by black ops members.

4x45 - Madeline Albright

April 8, 2008

Tonight Stephen welcomes former Clinton Secretary of State and author of Memo to the President Elect: How We Can Restore America's Reputation and Leadership, Madeline Albright.

4x46 - Jeff Gore

April 9, 2008

Tonight Stephen welcomes the founder of Citizens for Retiring the Penny, Jeff Gore.

4x47 - Robin Wright

April 10, 2008

Tonight Stephen welcomes journalist (specializing in the Middle East) and author of Dreams and Shadows: The Future of the Middle East, Robin Wright.

4x48 - John Legend, Mayor Michael Nutter, Chris Matthews

April 14, 2008

Tonight Stephen welcomes the host of Hardball, Chris Matthews.

4x49 - Michelle Obama, The Roots

April 15, 2008

Tonight Stephen welcomes Grammy Award winning musical group The Roots.

4x50 - Philadelphia Eagles Cheerleaders, Gov. Ed Rendell

April 16, 2008

Tonight Stephen welcomes Pennsylvania's Governor, Ed Rendell.

4x51 - Hillary Clinton, Patrick Murphy, John Edwards, Barack Obama

April 17, 2008

Tonight Stephen welcomes Pennsylvania Congressman Rep. Patrick Murphy.

4x52 - Fr. James Martin, Sen. Bernie Sanders

April 21, 2008

Tonight Stephen welcomes Vermont Congressman Rep. Bernie Sanders.

4x53 - Susan Jacoby

April 22, 2008

Tonight Stephen welcomes journalist and author of The Age of American Unreason, Susan Jacoby.

4x54 - Mitch Albom

April 23, 2008

Tonight Stephen welcomes radio host and author of For One More Day, Mitch Albom.

4x55 - Maria Shriver

April 24, 2008

Tonight Stephen welcomes journalist, California's First Lady and author of Just Who Will You Be?: Big Question, Little Book. Answers Within, Maria Shriver.

4x56 - Feist

April 28, 2008

Tonight Stephen welcomes musician Feist.

4x57 - Anne Lamott

April 29, 2008

Tonight Stephen welcomes political activist and author of Grace (Eventually): Thoughts on Faith, Anne Lamott.

4x58 - Donna Brazile, Noah Feldman

April 30, 2008

Tonight Stephen welcomes law professor at Harvard University and author of The Fall and Rise of the Islamic State, Noah Feldman.

4x59 - James Kunstler

May 1, 2008

Tonight Stephen welcomes social critic and author of World Made by Hand, James Kunstler.

4x60 - Carl Hiaasen

May 5, 2008

Tonight Stephen welcomes journalist and author of The Downhill Lie: A Hacker's Return to a Ruinous Sport, Carl Hiaasen.

4x61 - Nathan Gunn

May 6, 2008

Tonight Stephen welcomes opera singer Nathan Gunn.

4x62 - Hasan Elahi, George Johnson

May 7, 2008

Tonight Stephen welcomes science writer and author of The Ten Most Beautiful Experiments, George Johnson.

4x63 - Arianna Huffington

May 8, 2008

Tonight Stephen welcomes the editor in chief of the Huffington Post and author of Right Is Wrong: How the Lunatic Fringe Hijacked America, Shredded the Constitution, and Made Us All Less Safe, Arianna Huffington.

4x64 - Dr. Mehmet Oz

May 12, 2008

Tonight Stephen welcomes the co-author of You: Staying Young: The Owner's Manual for Extending Your Warranty, Dr. Mehmet Oz.

4x65 - Jennifer Hooper McCarty

May 13, 2008

Tonight Stephen welcomes the co-author of What Really Sank the Titanic: New Forensic Discoveries, Jennifer McCarty.

4x66 - Laura Dern, Grover Norquist

May 14, 2008

Tonight Stephen welcomes the president of Americans for Tax Reform and author of Leave Us Alone: Getting the Government's Hands Off Our Money, Our Guns, Our Lives, Grover Norquist.

4x67 - Andrei Cherny

May 15, 2008

Tonight Stephen welcomes journalist and author of The Candy Bombers: The Untold Story of the Berlin Airlift and America's Finest Hour, Andrei Cherny.

4x68 - Tony Perkins, Brian Greene

May 27, 2008

4x69 - Sen. Claire McCaskill

May 28, 2008

Tonight Stephen welcomes Missouri Senator Claire McCaskill.

4x70 - Tad Devine, David Sirota

May 29, 2008

Tonight Stephen welcomes journalist and author of The Uprising: An Unauthorized Tour of the Populist Revolt Scaring Wall Street and Washington, David Sirota.

4x71 - Jon Paskowitz

June 2, 2008

Tonight Stephen welcomes the co-producer of the movie Surf Wise, Jon Paskowitz.

4x72 - George Will

June 3, 2008

Tonight Stephen welcomes political commentator and author of One Man's America: The Pleasures and Provocations of Our Singular Nation, George Will.

4x73 - Rep. Bob Barr, Salman Rushdie

June 4, 2008

Tonight Stephen welcomes Oklahoma Representative and Libertarian Presidential candidate, Bob Barr.

4x74 - Pat Buchanan

June 5, 2008

Tonight Stephen welcomes conservative political commentator and author of Churchill, Hitler, and "The Unnecessary War": How Britain Lost Its Empire and the West Lost the World, Pat Buchanan

4x75 - Phil Weiss

June 9, 2008

Tonight Stephen welcomes New York columnist Phil Weiss.

4x76 - Alan Rabinowitz

June 10, 2008

Tonight Stephen welcomes wildlife scientist and author of Life in the Valley of Death: The Fight to Save Tigers in a Land of Guns, Gold, and Greed, Alan Rabinowitz.

4x77 - David Hajdu

June 11, 2008

Tonight Stephen welcomes journalist and author of The Ten-Cent Plague: The Great Comic-Book Scare and How It Changed America, David Hajdu.

4x78 - Winona LaDuke, Dixon Despommier

June 12, 2008

Tonight Stephen welcomes professor of environmental health sciences at Columbia University, Dixon Despommier.

4x79 - Kenneth Miller

June 16, 2008

Tonight Stephen talks with biologist and author of Only a Theory: Evolution and the Battle for America's Soul, Kenneth Miller.

4x80 - Neal Katyal, Jonathan Zittrain

June 17, 2008

Tonight Stephen welcomes the co-founder of the Berkman Center for Internet Security and author of The Future of the Internet--And How to Stop It, Jonathan Zittrain.