Air date: 2010-01-04

Runtime: min

Stephen tries out for the U.S. curling team, and Erick Erickson opposes the RNC's purity test.

Air date: 2010-01-05

Runtime: min

The military responds to the underwear bomber, and Riley Crane wins a contest to find 10 balloons.

Air date: 2010-01-06

Runtime: min

The Senate and House debate health care, and Charles Moore discovers a floating patch of garbage.

Air date: 2010-01-07

Runtime: min

America executes fewer prisoners, and James Fowler talks about the power of social networks.

Air date: 2010-01-11

Runtime: min

Eugene Jarecki speaks out against large banks, and Morgan Freeman says untrustworthy things.

Air date: 2010-01-12

Runtime: min

Obama won't admit we're in the middle of a war, and Raj Patel talks about "The Value of Nothing."

Air date: 2010-01-13

Runtime: min

Stephen examines the "Avatar" controversy and talks to John Heilemann about "Game Change."

Air date: 2010-01-14

Runtime: min

Americans walk away from their mortgages, and Stephen talks to Kathleen Sebelius.

Air date: 2010-01-18

Runtime: min

Stephen wants to dig for coal, and Emily Pilloton uses industrial design to help the world's needy.

Air date: 2010-01-19

Runtime: min

Stephen attempts to make an Olympic team, and Stephen Bosworth talks about North Korea.

Air date: 2010-01-20

Runtime: min

Stephen races speedskater Shani Davis and overcomes adversity to interview Dick Ebersol.

Air date: 2010-01-21

Runtime: min

Stephen reviews Obama's first year in office, examines airport terrorism and discusses national security with John Farmer, dean of Rutgers-Newark Law School.

Air date: 2010-01-25

Runtime: min

An unlikely candidate emerges for a New York Senate seat, and Kati Marton discusses communist Hungary.

Air date: 2010-01-26

Runtime: min

Paul Begala urges Democrats to fight back, and Mika Brzezinski balances work with parenting.

Air date: 2010-01-27

Runtime: min

Stephen demands an iPad and hopes Arthur Benjamin tells him what comes after 14.

Air date: 2010-01-28

Runtime: min

Stephen praises Bob McDonnell's speech, and David Gergen examines the State of the Union address.

Air date: 2010-02-01

Runtime: min

Stephen wins a Grammy, and Harold Ford Jr. defends his new support for gay marriage.

Air date: 2010-02-02

Runtime: min

Stephen pays tribute to J.D. Salinger, and Eliot Spitzer is happy to see Obama tough on Wall Street.

Air date: 2010-02-03

Runtime: min

Stephen has advice for getting America back to work, and John Durant wants us to live like cavemen.

Air date: 2010-02-04

Runtime: min

A former CIA agent makes startling revelations, and Henry Louis Gates, Jr. analyzes Stephen's DNA.

Air date: 2010-02-08

Runtime: min

Sarah Palin writes notes on her hand, and Jonathan Safran Foer urges Americans to eat less meat.

Air date: 2010-02-09

Runtime: min

Chris Dodd wants to take away corporate free speech, and George Stephanopoulos drinks a Heineken.

Air date: 2010-02-10

Runtime: min

Stephen profiles Chicago's 5th district, and Claire Danes discusses her role as Temple Grandin.

Air date: 2010-02-11

Runtime: min

Al Michaels considers an Al Qaeda bobsled team, and Stephen unveils his Vancouver poster to David Ross.

Air date: 2010-02-22

Runtime: min

Stephen offends Ujjal Dosanjh and invites Shaun White for a Canadian beer.

Air date: 2010-02-23

Runtime: min

Lindsey Vonn discusses her Austrian cheese remedy, and Bob Costas doesn't care who wins.

Air date: 2010-02-24

Runtime: min

Scott Hamilton discusses figure skating, while Ryan St. Onge and Jeret Peterson face an intervention.

Air date: 2010-02-25

Runtime: min

Shani Davis thanks the Colbert Nation for his medals, and Seth Wescott refuses to wear tight clothing.

Air date: 2010-03-01

Runtime: min

Michael Buble sings two national anthems, and Don Cheadle considers doing heroin for Darfur.

Air date: 2010-03-02

Runtime: min

Kids may be the key to our economic future, and David Brooks discusses moderate conservatism.

Air date: 2010-03-03

Runtime: min

Scheherazade Rehman debates Greece's economy, and Garry Wills says the president has too much power.

Air date: 2010-03-04

Runtime: min

Iraqi candidates sway voters with gifts, and Barry Schwartz explains the downside of too many choices.

Air date: 2010-03-08

Runtime: min

Ezra Klein details the reconciliation process, and Tom Hanks discusses his role as a history maker.

Air date: 2010-03-09

Runtime: min

Pringles recalls its two best flavors, and Annie Leonard says Americans have too much stuff.

Air date: 2010-03-10

Runtime: min

Charlie Cook discusses health care reconciliation, and Sean Carroll talks about the mystery of time.

Air date: 2010-03-11

Runtime: min

Scott Rasmussen interprets poll results, and David Aaronovitch discusses conspiracy theories.

Air date: 2010-03-15

Runtime: min

Stephen questions the media's focus and asks Robert Baer if the squirrel is in the basket.

Air date: 2010-03-16

Runtime: min

Stephen examines the way Americans eat and talks to Rebecca Skloot about the ethics of science.

Air date: 2010-03-17

Runtime: min

Doctors offer vasectomy deals for March Madness, and Stephen arm-wrestles Nell Irvin Painter.

Air date: 2010-03-18

Runtime: min

James Martin defends social justice, and Mary Matalin tries to avoid Republican talking points.

Air date: 2010-03-29

Runtime: min

Stephen breeds the elderly in captivity, and Claire McCaskill sends a message to Rush Limbaugh.

Air date: 2010-03-30

Runtime: min

Scandal rocks the church even harder than Creed, and Simon Johnson thinks banks have too much power.

Air date: 2010-03-31

Runtime: min

The federal government raids an anti-government militia, and Craig Mullaney discusses Afghanistan.

Air date: 2010-04-01

Runtime: min

David Frum gets fired from the Republican cult, and Judith Shulevitz discusses the Sabbath.

Air date: 2010-04-05

Runtime: min

Fox cancels "24," and Dean Kamen talks about his new advanced prosthetic arm invention.

Air date: 2010-04-06

Runtime: min

Scrabble changes its rules to allow proper names, and Al Sharpton fights for education reform.

Air date: 2010-04-07

Runtime: min

Jeff Goldblum blesses a cigarette, and David Simon talks about his new show, "Treme."

Air date: 2010-04-08

Runtime: min

Tonight Stephen welcomes astrophysicist and the director of the Hayden Planetarium, Neil DeGrasse Tyson

Air date: 2010-04-12

Runtime: min

Tonight Stephen welcomes the founder of Wikileaks, Julian Assange. Also, Stephen talks with Jeffrey Toobin about the replacement of Supreme Court Justice John Paul Stevens.

Air date: 2010-04-13

Runtime: min

Tonight Stephen welcomes New York Times journalist Jon Mooallem.

Air date: 2010-04-14

Runtime: min

Tonight Stephen welcomes the author of Reality Hunger: A Manifesto, David Shields. Also, Stephen talks with the host of This Week, Jake Tapper and Bill Adair from politicfact.com about fact checking the Sunday talk shows.

Air date: 2010-04-15

Runtime: min

Tonight Stephen welcomes athlete, actress and activist Aimee Mullins

Air date: 2010-04-19

Runtime: min

Tonight Stephen welcomes political pundit George Will. Also, Stephen talks with New York Times financial columnist Andrew Ross Sorkin

Air date: 2010-04-20

Runtime: min

Tonight Stephen welcomes the chief executive of Dreamworks animation, Jeffrey Katzenberg.

Air date: 2010-04-21

Runtime: min

Tonight Stephen welcomes Oregon State University's basketball coach and author of A Game of Character: A Family Journey from Chicago's Southside to the Ivy League and Beyond, Craig Robinson.

Air date: 2010-04-22

Runtime: min

Tonight Stephen welcomes musical group Gorillaz.

Air date: 2010-04-26

Runtime: min

Tonight Stephen welcomes singer Sharon Jones and the Dap Kings.

Air date: 2010-04-27

Runtime: min

Tonight Stephen welcomes the co-author of The Dangerous Book of Heroes, Conn Iggulden.

Air date: 2010-04-28

Runtime: min

Tonight Stephen welcomes the contributing editor for the Atlantic Monthly and author of Sonic Boom: Globalization at Mach Speed, Gregg Easterbrook.

Air date: 2010-04-29

Runtime: min

Tonight Stephen welcomes the band Ok Go. Also, Stephen talks with California's Lt. Governor Abel Moldonado about Proposition 14.

Air date: 2010-05-03

Runtime: min

Tonight Stephen welcomes Harvard law professor Elizabeth Warren. Also, Stephen talks with the president of the Salt Institute Lori Roman and the executive director of the Center for Science in the Public Interest Michael Jacobson about salt intake regulation.

Air date: 2010-05-04

Runtime: min

Tonight Stephen welcomes explorer, biologist and author of Adventures among Ants: A Global Safari with a Cast of Trillions, Mark Moffett. Also, Michael J. Fox interrupts the Word so that Stephen can sell his new book.

Air date: 2010-05-05

Runtime: min

Tonight Stephen welcomes the founder of StoryCorps and author of Mom: A Celebration of Mothers from StoryCorps, David Isay.

Air date: 2010-05-06

Runtime: min

Tonight Stephen welcomes environmentalist and author of Whole Earth Discipline: An Ecopragmatist Manifesto, Stewart Brand. Also, Stephen talks with The Atlantic Monthly columnist Andrew Sullivan about the British elections.

Air date: 2010-05-10

Runtime: min

Tonight Stephen welcomes the former Governor of New Mexico Gary Johnson, Also, Stephen talks with George Washington University's Scheherazade Rehman about the Greek bailout.

Air date: 2010-05-11

Runtime: min

Tonight Stephen welcomes historian and author of Hellhound on His Trail: The Stalking of Martin Luther King, Jr. and the International Hunt for His Assassin, Hampton Sides. Also, Stephen talks with Slate's legal correspondent Dahlia Lithwick about Elena Kagen's Supreme Court nomination.

Air date: 2010-05-12

Runtime: min

Tonight Stephen welcomes self help guru and author of The Shadow Effect: Illuminating the Hidden Power of Your True Self, Deepak Chopra.

Air date: 2010-05-13

Runtime: min

Tonight Stephen welcomes the band The Hold Steady.

Air date: 2010-06-01

Runtime: min

Manned spaceflight nears its end, and Ayaan Hirsi Ali lives under a constant death threat.

Air date: 2010-06-02

Runtime: min

Stephen shows shocking footage from Spain, and Lisa Miller spends seven minutes in Heaven.

Air date: 2010-06-03

Runtime: min

Stephen visits the offices of Consumer Reports, and Vampire Weekend performs.

Air date: 2010-06-07

Runtime: min

Stephen fundraises for a worthy cause, and Jonathan Alter discusses President Obama's first year.

Air date: 2010-06-08

Runtime: min

Stephen visits the Consumer Reports labs, and Mark Frauenfelder plays his cigar-box guitar.

Air date: 2010-06-09

Runtime: min

Michael Oren defends Israel's flotilla raid, and Sam Nunn warns of the nuclear terrorism threat.

Air date: 2010-06-10

Runtime: min

Marc Fisher debates soccer with Mark Starr, and Alan Bean shows off his moon dust paintings.

Air date: 2010-06-14

Runtime: min

Stephen recaps the Tony Awards, and Stephen Prothero is going to Hell in seven religions.

Air date: 2010-06-15

Runtime: min

Stephen has to stop hunting men and wants Carl Safina to change the color of his Blue Ocean Institute.

Air date: 2010-06-16

Runtime: min

Stephen gives a short, self-indulgent update on Twitter, and Devo performs.

Air date: 2010-06-17

Runtime: min

Stephen helps Bob Inglis win in South Carolina, and David Mamet discusses the dying theater.

Air date: 2010-06-21

Runtime: min

Stephen interviews for an astronaut position, and Wes Moore discusses the imprisoned Wes Moore.

Air date: 2010-06-22

Runtime: min

Stephen starts his astronaut training, and Gloria Steinem discusses the benefits of men raising kids.

Air date: 2010-06-23

Runtime: min

Stephen asks if Glenn Beck is a civil rights hero and talks to Tim Westergren about Pandora.

Air date: 2010-06-24

Runtime: min

Stephen completes astronaut training, and Michael Specter discusses the dangers of denying science.

Air date: 2010-06-28

Runtime: min

Michael Hastings discusses Rolling Stone article, and John Waters supports childhood rebellion.

Air date: 2010-06-29

Runtime: min

BP puts a positive spin on the oil spill, and Stephen interviews Mayor Julian Castro.

Air date: 2010-06-30

Runtime: min

Stephen plays one-on-one with Allan Houston, and Nicholas Carr criticizes the Internet.

Air date: 2010-07-01

Runtime: min

Texas Republicans want to criminalize homosexuality, and Manny Howard turns his backyard into a farm.

Air date: 2010-07-05

Runtime: min

Stephen joins Cindy Cohn on the Internet and talks to Michio Kaku about invisibility cloaks.

Air date: 2010-07-06

Runtime: min

Writer Garret Keizer talks about his new book: "The Unwanted Sound of Everything We Want: A Book About Noise"

Air date: 2010-07-07

Runtime: min

Actor and old friend Steve Carell faces off against Stephen Colbert

Air date: 2010-07-08

Runtime: min

Arturo Rodriguez, president of the United Farm Workers of America talks with Stephen about immigrant workers.

Air date: 2010-07-26

Runtime: min

Stephen downloads the solution to stop media piracy, and Hephzibah Anderson talks about her year without sex.

Air date: 2010-07-27

Runtime: min

Stephen questions the mission in Afghanistan and challenges Kevin Kline with Shakespeare.

Air date: 2010-07-28

Runtime: min

President Obama blows off the Boy Scouts, and Elon Musk discusses the future of electric cars.

Air date: 2010-07-29

Runtime: min

Bill O'Reilly issues a rare apology, and Stephen pours Andy Cohen a cocktail.

Air date: 2010-08-02

Runtime: min

Stephen previews the 2012 Olympics in London, and Jimmy Cliff performs.

Air date: 2010-08-03

Runtime: min

Stephen reads some of Barack Obama's private musings to Laura Ingraham.

Air date: 2010-08-04

Runtime: min

P.K. Winsome introduces Nielsen Mandela, and Michael Posner discusses international democracy.

Air date: 2010-08-05

Runtime: min

Californians can now legally marry their pot plant, and Savion Glover performs.

Air date: 2010-08-10

Runtime: min

Stephen names his Alpha Dog of the Week, and talks to Dylan Ratigan about Wall Street.

Air date: 2010-08-11

Runtime: min

Michelle Obama vacations in Spain, and David Finkel describes the Iraq War's effect on American troops.

Air date: 2010-08-12

Runtime: min

Stephen checks in on the state of America's seniors and talks to Chuck Close about art.

Air date: 2010-08-16

Runtime: min

Richard Clarke wants a smaller intelligence community, and John Fetterman revitalizes Braddock, PA.

Air date: 2010-08-17

Runtime: min

Stephen examines the meat industry and asks Barry Levine about his National Enquirer file.

Air date: 2010-08-18

Runtime: min

Laura Schlessinger gets in trouble, and Thomas French explains what it takes to build a zoo.

Air date: 2010-08-19

Runtime: min

Stephen finds out if there's still BP oil in the Gulf, and talks to Jon Krakauer about glory.

Air date: 2010-08-23

Runtime: min

President Obama must prove he's not Muslim, and Leslie Kean calls for an investigation of UFOs.

Air date: 2010-08-24

Runtime: min

Stephen examines Internet privacy and talks to Jeffrey Goldberg about conflict in the Middle East.

Air date: 2010-08-25

Runtime: min

Andrew Hacker dismisses for-profit colleges, and Heidi Cullen warns of extreme weather

Air date: 2010-08-26

Runtime: min

Glenn Beck re-founds America, and Richard Engel talks about the end of Operation Iraqi Freedom.

Air date: 2010-09-07

Runtime: min

The Tea Party wins midterm primaries, and Anthony Romero celebrates the ACLU's anniversary.

Air date: 2010-09-08

Runtime: min

Stephen kicks off his salute to the troops tonight with appearances by the Vice President of the United States and the general who shaved his head.

Air date: 2010-09-09

Runtime: min

David Petraeus honors the Colbert Nation, while Brent Cummings and Josh Bleill talk about their tours.

Air date: 2010-09-13

Runtime: min

Lisa Birnbach released "The Official Preppy Handbook" in 1980. Who'd have thought that 30 years later, we'd still have preppies but not books.

Air date: 2010-09-14

Runtime: min

Stephen solves the Ground Zero mosque crisis and listens to Sean Wilentz mumble about Bob Dylan.

Air date: 2010-09-15

Runtime: min

The Tea Party wins the Republican primaries, and Saul Griffith tries to solve global warming.

Air date: 2010-09-16

Runtime: min

Stephen announces his March to Keep Fear Alive and talks to Lawrence O'Donnell about Tea Partiers.

Air date: 2010-09-20

Runtime: min

A 106-year-old woman shares her secret to long life, and Pavement reunites after 11 years.

Air date: 2010-09-21

Runtime: min

Craigslist shuts down its adult services, and Google CEO Eric Schmidt searches for himself.

Air date: 2010-09-22

Runtime: min

President Obama gives a back-to-school speech, and Guillermo del Toro meets Stephen del Matador.

Air date: 2010-09-23

Runtime: min

Stephen concludes his migrant farm worker training and talks to Oscar Goodman about Las Vegas.

Air date: 2010-09-27

Runtime: min

The GOP blocks the repeal of "don't ask, don't tell," and Ken Burns talks about "The Tenth Inning."

Air date: 2010-09-28

Runtime: min

Democratic voters suffer from apathy, and Stephen doubts if Ross Douthat is that conservative.

Air date: 2010-09-29

Runtime: min

The koala population suffers from Chlamydia, and Steven Rattner discusses the auto industry bailout.

Air date: 2010-09-30

Runtime: min

Stephen questions poll reliability and talks to Aaron Sorkin in the hall while people hand them stuff.

Air date: 2010-10-04

Runtime: min

The Tea Party reaches out to kids, and Eugene Robinson discusses the four groups of black America.

Air date: 2010-10-05

Runtime: min

Stephen looks at the Mexican drug war, and Leon Botstein wants to eliminate two years of school

Air date: 2010-10-06

Runtime: min

The government tries to take control of America's food, and Mavis Staples and Jeff Tweedy perform.

Air date: 2010-10-07

Runtime: min

Joseph Califano debates Gary Johnson over Prop 19, and Davis Guggenheim addresses failing schools.

Air date: 2010-10-11

Runtime: min

Muslims might take over the food supply, and Robert Reich talks about the future of the U.S. economy.

Air date: 2010-10-12

Runtime: min

Schools find a new way to raise money, and M. Night Shyamalan isn't really here.

Air date: 2010-10-13

Runtime: min

Stephen questions whether it's fair to tax the rich, and Austan Goolsbee gives Obama economic advice.

Air date: 2010-10-14

Runtime: min

Stephen gives away free bus tickets to D.C., and Bill Bryson talks about sex in the Middle Ages.

Air date: 2010-10-25

Runtime: min

Stephen celebrates his fifth anniversary, and Nicholas Negroponte gives laptops to poor children.

Air date: 2010-10-26

Runtime: min

Stephen prepares for the apocalypse, and Garry Wills writes a book about himself.

Air date: 2010-10-27

Runtime: min

Stephen looks at the Democrats' chances in the midterms and gives Apolo Ohno a regret.

Air date: 2010-10-28

Runtime: min

The McRib returns on election day, and Maira Kalman falls in love with Abraham Lincoln.

Air date: 2010-11-01

Runtime: min

Christine O'Donnell prays, and Jonathan Alter says Obama's allergy to gimmickry has hurt him.

Air date: 2010-11-02

Runtime: min

Stephen covers the change sweeping through America with a live broadcast.

Air date: 2010-11-03

Runtime: min

Californians decide on Prop 19, and Doris Kearns Goodwin puts the midterm election into perspective.

Air date: 2010-11-04

Runtime: min

A popular children's TV character is outed, and Elvis Costello threatens to cut off Stephen's thumbs.

Air date: 2010-11-08

Runtime: min

Rand Paul wants to protect the rich, and Reza Aslan wants to bring down democracy through art.

Air date: 2010-11-09

Runtime: min

Stephen promises to lob softball questions at George W. Bush, and Cee Lo Green performs.

Air date: 2010-11-10

Runtime: min

Michelle Obama shakes hands with a conservative Muslim, and Stephen cooks for Martha Stewart.

Air date: 2010-11-11

Runtime: min

Wall Street hands out record bonuses, Nintendo goes to court, and Quincy Jones wants a Latin Grammy.

Air date: 2010-11-15

Runtime: min

Jeffrey Goldberg opposes full-body scanners, and David Stern misses short shorts.

Air date: 2010-11-16

Runtime: min

Stephen looks at the new trend in alcoholic energy drinks, and John Legend performs "Shine."

Air date: 2010-11-17

Runtime: min

Stephen wonders if America can trim its national debt, and Ian Frazier talks about Siberia.

Air date: 2010-11-18

Runtime: min

Joseph Gobbles shoots Jay the Intern, and Salvatore Giunta credits the bravery of American troops.

Air date: 2010-11-29

Runtime: min

The advice columnist and Colbert Report national spokes-gay returns to talk about his new anti-suicide initiative for gay teenagers.

Air date: 2010-11-30

Runtime: min

James Rubin discusses the WikiLeaks document dump, and Tom Vilsack brings a cheddar cheese head.

Air date: 2010-12-01

Runtime: min

The former education commissioner talks about her efforts to reform the Washington D.C. school system.

Air date: 2010-12-02

Runtime: min

Air date: 2010-12-06

Runtime: min

Obama tries to win over Republicans, and Garry Trudeau looks back on 40 years of "Doonesbury."

Air date: 2010-12-07

Runtime: min

Obama extends the Bush tax cuts, and David and Julie Eisenhower recall growing up in the White House.

Air date: 2010-12-08

Runtime: min

Stephen tests Steve Martin's art knowledge and tries to sell him last year's portrait.

Air date: 2010-12-09

Runtime: min

William Wegman arts up Stephen's portrait, and Julie Taymor talks about "The Tempest."

Air date: 2010-12-13

Runtime: min

Stephen wants to feed the economy that Jamie Lee Curtis yogurt and asks Patti Smith about her memoir.

Air date: 2010-12-14

Runtime: min

Stephen wins the Golden Tweet Award and takes issue with some of Stephen Sondheim's lyrics.

Air date: 2010-12-15

Runtime: min

America is at cyberwar, and Laird Hamilton shoots the curl of Stephen's rage.

Air date: 2010-12-16

Runtime: min

Jesus may be a liberal Democrat, Amy Sedaris makes a tie snake, and Paul Simon performs.