3x52 - Sean Penn

April 19, 2007

Stephen balks at a scientific study saying that chimpanzees are more evolved than humans in DNA. On "The Word," he talks about John Edwards' haircut and considers him going over to the Republican party. Colbert then interviews Sean Penn, and leads to a Meta-Free-Phor-All hosted by Pinsky (the decider of topics for the rounds used humorous pictures and sound effects in the style of The Daily Show's "God Machine," which Colbert usually took part in).

3x53 - Russell Simmons

April 23, 2007

3x54 - Dr. Andrew Weil

April 24, 2007

The first act opens with a remembrance of Boris Yeltsin. Stephen continues with a combative interview with Eleanor Holmes Norton regarding a recent bill to give the District of Columbia a vote in the U.S. House of Representatives. In "The Word," Stephen comments on EPA Administrator Stephen Johnson's announcement that the Bush Administration's anti-global warming efforts are delivering "real results".

3x55 - David Walker

April 25, 2007

Colbert decides that a new name is necessary for the long war, and comes up with Freemerican Victernity Made in China. He then backs the idea of having illegal immigrants fight in the armed services in exchange for citizenship. He points out his position on the cover of GQ, then complains about the Four Horsemen of the A-pop-calypse: movies, television, music, and books.

3x56 - Madeleine Bordallo

April 26, 2007

Stephen is unhappy at the fact that Stephanie Colburtle The Turtle did not win The Great Turtle Race, after being bested by another turtle named Billy. He claims Billy is a male, and demands a re-race. (After explaining that one can tell the sex of a turtle by the concavity of its plastron, Stephen says that he checks the plastron on "all [his] dates, and if it's not concave, [he is] outta there."

3x57 - Neil deGrasse Tyson

April 30, 2007

"It's the last day of April. One more month 'till Speedo season! Do your squats. This is The Colbert Report.

3x58 - Malcolm Gladwell

May 1, 2007

3x59 - Gina Kolata

May 2, 2007

3x60 - Conn Iggulden

May 3, 2007

3x61 - Richard Preston

May 7, 2007

3x62 - Nassi Nicholas Taleb

May 8, 2007

3x63 - Salman Rushdie, Jane Fonda

May 9, 2007

3x64 - Jann Wenner

May 10, 2007

3x65 - William Langewiesche

May 14, 2007

3x66 - Walter Isaacson

May 15, 2007

3x67 - Howard Dean

May 16, 2007

3x68 - Randy Kearse, Rep. Tom Delay

May 17, 2007

3x69 - Jared Diamond

May 21, 2007

3x70 - John Amaechi

May 22, 2007

3x71 - Bay Buchanan, Bob Deans

May 23, 2007

3x72 - Jimmy Wales

May 24, 2007

3x73 - Rep. Jan Schakowsky, Leon Botstein

June 4, 2007

3x74 - Jessica Valenti

June 5, 2007

3x75 - Carl Bernstein

June 6, 2007

3x76 - Cullen Murphy

June 7, 2007

3x77 - Dr. Michael D. Gershon

June 11, 2007

3x78 - Josh Wolf

June 12, 2007

3x79 - Rep. Ron Paul

June 13, 2007

3x80 - Daniel B. Smith

June 14, 2007

3x81 - Toby Keith

June 18, 2007

3x82 - Anne-Marie Slaughter

June 19, 2007

3x83 - Will Schwalbe

June 20, 2007

3x84 - Vincent Bugliosi

June 21, 2007

3x85 - Tom Hayden

June 25, 2007

3x86 - David France

June 26, 2007

3x87 - Tom Blanton, Daniel Gilbert

June 27, 2007

3x88 - Doug Bailey

June 28, 2007

3x89 - Richard Florida, Ben Nelson

July 16, 2007

3x90 - Mark Moffett

July 17, 2007

3x91 - John Mellencamp

July 18, 2007

3x92 - Frank Sulloway

July 19, 2007

3x93 - Simon Schama

July 23, 2007

3x94 - Anthony D. Romero

July 24, 2007

3x95 - Charles Kaiser

July 25, 2007

3x96 - Robert Shrum

July 26, 2007

3x97 - Evan Osnos

July 30, 2007

3x98 - Kathleen Kennedy Townsend

July 31, 2007

3x99 - Michael Beschloss

August 1, 2007

3x100 - Michael J. Behe

August 2, 2007

3x101 - Ian Bogost

August 7, 2007

3x103 - Judd Apatow

August 9, 2007

3x104 - Michael Jacobson

August 13, 2007

3x105 - Jerry Miller, Spencer Wells

August 14, 2007

3x106 - Michael Wallis

August 15, 2007

From the previous episode, Stephen again mentions the possibility that his ancestors were Jewish. He then discusses perceived inflammatory speech on the Daily Kos website and interviews the website's founder, Markos Moulitsas. In the "Monkey on the Lam" segment, Stephen talks about a capuchin monkey that picked the lock on his cage door at a zoo in Tupelo, Mississippi for the second time in two weeks. He then discusses Attorney General Alberto Gonzales' failure to meet his potential. Finally, Stephen interviews Michael Wallis about the Lincoln Highway.

3x107 - Mike Huckabee

August 16, 2007

Stephen begins by asking people not to watch his interview with Richard Branson on August 22, which has been reported in the media as a "trainwreck." Stephen then interviews Mike Huckabee, claiming that he came second in the Iowa Straw Poll due to his appearances on The Colbert Report, and what Stephen claims is the "Colbert Bump."

3x108 - Nathan Sawaya

August 20, 2007

Stephen continues to attack wrist violence, and says the worst offender in "Wrist snuff" is Steven Seagal. He also announces that his "WristStrong" wristbands are now available from colbertneation.com, and all proceeds go to help the Yellow Ribbon Fund. Stephen introduces a new segement, "Nailed 'Em", focusing on successful stories in the criminal justice system.

3x109 - Michael Shermer

August 21, 2007

Stephen starts with the \"Smokin\' Pole: The Fight for Arctic Riches\" segment, where he attacks Canada\'s claim to the Northwest Passage through the Arctic, claiming it belongs to the United States. In \"The Word,\" Stephen attacks WikiScanner claiming it prevents corporations from editing their own entries, and describes Wikipedia as, \"Second Life for corporations\".

3x110 - Richard Branson

August 22, 2007

In \"Colbert Platinum\", he talks about the shutting down of a helipad in Saint-Tropez and the growing demand for champagne. He then interviews Richard Branson about Virgin America and \"Air Colbert\". However, as the interview goes on, Branson and Stephen throw water over each other.

3x111 - Thomas E. Ricks

August 23, 2007

Stephen reviews the Iraq War and Dick Cheney\'s role in advocating it. He then interviews Thomas E. Ricks about the war. Stephen then talks about his broken wrist and shows a documentary film entitled Fractured Freedom: The Stephen Colbert Story. He announces that several people had signed his cast, including Nancy Pelosi, Tim Russert, Tony Snow, Brian Williams, Bill O\'Reilly and Michael Bloomberg.

3x112 - Bjorn Lomborg

September 10, 2007

Tonight Stephen welcomes the former director of the Environmental Assessment Institute and author of Cool It: The Skeptical Environmentalist’s Guide to Global Warming, Bjorn Lomborg.

3x113 - Garrison Keillor

September 11, 2007

Tonight Stephen welcomes humorist and author of Pontoon: A Novel of Lake Wobegon, Garrison Keillor.

3x114 - Joel Klein

September 12, 2007

Tonight Stephen welcomes the chancellor of New York City Schools, Joel Klein.

3x115 - Ed Begley Jr

September 13, 2007

Tonight Stephen welcomes actor and environmental activist and co-author of Grassroots Rising, Ed Begley jr. Also Stephen talks with Father James Martin, author of My Life with the Saints, over recent revelations regarding Mother Teresa having doubts about God.

3x116 - Susan Sarandon

September 18, 2007

Tonight Stephen welcomes actress and activist and the co-star of In the Valley of Elah, Susan Sarandon.

3x117 - Naomi Wolf

September 19, 2007

Tonight Stephen welcomes feminist and author of The End of America: A Letter of Warning To A Young Patriot, Naomi Wolf

3x118 - Jeffrey Toobin

September 20, 2007

Tonight Stephen welcomes legal writer and author of The Nine: Inside the Secret World of the Supreme Court, Jeffrey Toobin.

3x119 - Thomas Friedman

September 24, 2007

Tonight Stephen welcomes New York Times columnist and author of The World is Flat [Updated and Expanded]: A Brief History of the Twenty-First Century, Thomas Firedman

3x120 - John Grisham

September 25, 2007

Tonight Stephen welcomes retired attorney and author of Playing For Pizza, John Grisham.

3x121 - Tony Bennett

September 26, 2007

Tonight Stephen welcomes opera singer Nathan Gunn, whose new CD is Just Before Sunrise.

3x122 - David Schwartz

September 27, 2007

Tonight Stephen welcomes the chief film curator of the Museum of Moving Image, David Schwartz.

3x123 - Charlie Savage

October 1, 2007

3x124 - John Mearsheimer

October 2, 2007

3x125 - Jim Lovell

October 3, 2007

3x126 - John Kao

October 4, 2007

3x127 - George Saunders

October 8, 2007

3x128 - Stephen Colbert

October 9, 2007

3x129 - Gen. Wesley Clark

October 10, 2007

3x130 - Chris Jordan

October 11, 2007

3x131 - Paul Glastris

October 15, 2007

3x132 - Bob Drogin

October 16, 2007

3x133 - Garry Kasparov

October 17, 2007

3x134 - Craig Newmark

October 18, 2007

3x135 - Richard Berman

October 29, 2007

3x136 - Craig Venter

October 30, 2007

3x137 - Col. Lawrence Wilkerson

October 31, 2007

3x138 - Walter Kirn

November 1, 2007