5x1 - John King

January 5, 2009

Stephen congratulates John King and the rest of the media on getting Obama elected.

5x3 - Benicio Del Toro

January 7, 2009

Benicio Del Toro talks about meeting Castro to prepare for "Che."

5x4 - Lawrence Lessig

January 8, 2009

Lawrence Lessig says the outdated copyright laws have turned our kids into criminals.

5x5 - Anthony Romero

January 12, 2009

Anthony Romero believes it will be a huge mistake if Barack Obama doesn't close Guantanamo immediately.

5x6 - Niall Ferguson

January 13, 2009

Niall Ferguson explains how money is a relationship between a creditor and a debtor.

5x7 - Alan Khazei

January 14, 2009

Barack Obama may be over-marketed, and Alan Khazei wants Americans to volunteer.

5x8 - David Gregory, Shepard Fairey

January 15, 2009

A look back on President Bush's relationship with the media -- Stephen wonders if tonight's the night they finally do it and Shepard Fairey's "Hope" poster belongs to everyone.

5x9 - Frank Rich

January 19, 2009

Frank Rich says George W. Bush delivers a message of hope for mediocrity.

5x10 - Jabari Asim

January 20, 2009

Tonight Stephen welcomes Washington Post columnist and author of The N Word: Who Can Say It, Who Shouldn't, and Why, Jabari Asim.

5x11 - Elizabeth Alexander

January 21, 2009

Elizabeth Alexander explains to Stephen the difference between a metaphor and a lie.

5x12 - Jon Meacham

January 22, 2009

Tonight Stephen welcomes Newsweek editor and author of American Lion: Andrew Jackson in the White House, Jon Meacham.

5x13 - Chris Mooney, Ed Young

January 26, 2009

Obama changes Bush's policy on science, and Ed Young thinks married people should have more sex.

5x14 - Philippe Petit

January 27, 2009

Documentary, "Man on Wire"

5x15 - Paul McCartney, Denis Dutton

January 28, 2009

5x16 - John Podesta

January 29, 2009

President and CEO, Center for American Progress

5x17 - Dan Zaccagnino

February 2, 2009

The government collapses in Iceland, and Stephen gets mad at Dan Zaccagnino.

5x18 - Henry Louis Gates Jr.

February 3, 2009

Henry Louis Gates, Jr. says Abraham Lincoln was always against slavery, but he wasn't a fan of black people.

5x19 - Steve Martin

February 4, 2009

Actor, "The Pink Panther 2"

5x20 - James Surowiecki, Jonah Lehrer

February 5, 2009

Stephen salutes the Boy Scouts, and Jonah Lehrer discusses the neuroscience of decision-making.

5x21 - TV on the Radio

February 9, 2009

Stephen welcomes musical guest TV On The Radio.

5x22 - Robert Ballard

February 10, 2009

It's tough times for the Republican Party, and Stephen gives a shout out to a former employee.

5x23 - Eleanor Holmes Norton, Steven Pinker

February 11, 2009

New York Times article, "My Genomic Self"

5x24 - David Ross, Ed Colbert, Adam Gopnik

February 12, 2009

Adam Gopnik claims that faith and fear no longer rule our lives because of Abraham Lincoln and Charles Darwin.

5x25 - Father James Martin, Helen Fisher

February 23, 2009

Tonight Stephen welcomes the chief scientific advisor for chemistry.com, anthropology professor and author of Why Him? Why Her?: Finding Real Love By Understanding Your Personality Type, Helen Fisher.

5x26 - Cliff Sloan

February 24, 2009

Cliff Sloan believes that Marbury v. Madison is significant because it established the rule of law.

5x27 - John Fetterman

February 25, 2009

Mayor John Fetterman believes Braddock, PA is a great place to spend some of the stimulus money.

5x28 - Kris Kristofferson

February 26, 2009

Stephen wants to know how Kris Kristofferson can be a country musician and a liberal at the same time.

5x29 - David Byrne

March 2, 2009

Late at night, who does David Byrne fear David Byrne is?

5x30 - Mark Bittman

March 3, 2009

President Obama taxes the rich to pay for universal health care, and South Carolina may finally end gun prostitution.

5x31 - Carl Wilson

March 4, 2009

Carl Wilson tries to understand the popularity of Celine Dion in "Let's Talk About Love" and will NASA name part of the space station after Stephen if he changes his name to Stephen Urine Filtration System?

5x32 - Steven Johnson

March 5, 2009

Steven Johnson talks about Joseph Priestley, the man who first realized that plants actually create the oxygen we breathe.

5x33 - Lisa Hannigan

March 9, 2009

Lisa Hannigan sewed the cover, liner notes and lyrics of her album "Sea Sew."

5x34 - William Gerstenmaier, Dr. Jay Keasling

March 10, 2009

Tonight Stephen welcomes microbiologist and member of the Joint BioEnergy Institute, Dr. Jay Keasling. Also Stephen talks with NASA's associate administrator for space operations Bill Gerstenmaier about the Kepler Probe and other space exploration.

5x35 - Howard Fineman

March 11, 2009

Tonight Stephen welcomes Newsweek correspondent and author of 'The Thirteen American Arguments: Enduring Debates that Define and Inspire Our Country', Howard Fineman.

5x36 - Simon Johnson, Peter Singer

March 12, 2009

Peter Singer urges Stephen to give money to poor people rather than enjoying it himself.

5x37 - Jonathan Chait, Neil Gaiman

March 16, 2009

Tonight Stephen welcomes the author of 'The Graveyard Book'.

5x38 - David Grann

March 17, 2009

Tonight Stephen welcomes the author of 'The Lost City of Z: A Tale of Deadly Obsession in the Amazon'.

5x39 - Juan Cole

March 18, 2009

Tonight Stephen welcomes the author of 'Engaging the Muslim World'.

5x40 - John McCardell

March 19, 2009

Tonight Stephen welcomes the president of Choose Responsibility.

5x41 - Derrick Pitts

March 30, 2009

The guest tonight is Derrick Pitts, Chief Astronomer at The Franklin Institute.

5x42 - David Plotz

March 31, 2009

David Plotz, Author of 'Good Book LP' talks to Stephen tonight.

5x43 - Dambisa Moyo

April 1, 2009

Author of "Dead Aid", Dambisa Moyo is the guest on tonight's show.

5x44 - Biz Stone

April 2, 2009

One of the co-founders of Twitter is the guest for tonight's show.

5x45 - Tom Brokaw, Rich Lowry

April 6, 2009

Tonight Stephen welcomes the co-author of Banquo's Ghosts, Rich Lowry.

5x46 - Queen Noor

April 7, 2009

Tonight Stephen welcomes Jordan's Queen Noor.

5x47 - Phil Bronstein

April 8, 2009

Tonight Stephen welcomes the editor at large for the San Francisco Chronicle, Phil Bronstein.

5x48 - Bart Ehrman

April 9, 2009

Tonight Stephen welcomes Bible expert and author of Jesus, Interrupted: Revealing the Hidden Contradictions in the Bible (And Why We Don't Know About Them), Bart Ehrman.

5x49 - Sunita L. Williams, Susie Orbach

April 14, 2009

Tonight Stephen welcomes psychotherapist and author of Bodies, Susie Orbach. Also, Stephen talks with NASA's Deputy Chief, Astronaut Office at the Johnson Space Center, Sunita Williams about the naming of the new node on the International Space Station.

5x50 - Jim Lehrer

April 15, 2009

Tonight Stephen welcomes the anchor of PBS' NewsHour and author of Oh, Jonny, Jim Lehrer.

5x51 - Kanishk Tharoor, Doug Kmiec

April 16, 2009

Tonight Stephen welcomes the former head of the Office of Legal Council for both President Reagan and George Bush Sr., and author of Can a Catholic Support Him? Asking the Big Questions about Barack Obama, Doug Kmiec. Also, Stephen talks with the associate editor for opendemocracy.net, Kanishk Tharoor.

5x52 - Ken Quinn, Sheriff Joe Arpaio

April 20, 2009

Sheriff Joe Arpaio denies that he focuses too much on illegal immigration.