16x1 - Paul Giamatti

January 3, 2011

The media calls Barack Obama the "comeback kid," and Paul Giamatti says "rapscallion.

16x2 - Sen. Kirsten Gillibrand

January 4, 2011

Republicans focus on 2010 issues, and Kirsten Gillibrand wants to reform the Senate filibuster rules.

16x3 - Jimmy Wales

January 5, 2011

John McCain gets cranky, and Jimmy Wales imagines Wikipedia's relevance in 500 years.

16x4 - Patton Oswalt

January 6, 2011

Facebook refuses to disclose its financial results, and Patton Oswalt uses a prisoner ghostwriter.

16x5 - Denis Leary

January 10, 2011

John Oliver reports on the Arizona shootings in his PJs, and Denis Leary discusses "Suck on This Year.

16x6 - Colin Firth

January 11, 2011

John Oliver celebrates Verizon's iPhone announcement, and Colin Firth talks about "The King's Speech.

16x7 - Tim Pawlenty

January 12, 2011

Members of Congress introduce gun legislation, and Tim Pawlenty defends Republican rhetoric.

16x8 - Ron Howard

January 13, 2011

John Hodgman makes NASCAR more exciting, and Ron Howard shares his enthusiasm for show business.

16x9 - Peter Bergen

January 17, 2011

Michael Steele steps down as RNC chairman, and Peter Bergen talks about progress in Afghanistan.

16x10 - Neil deGrasse Tyson

January 18, 2011

Jon promises Sarah Palin a classy conversation and reveals his love for Neil deGrasse Tyson.

16x11 - Paul Clemens

January 19, 2011

Glenn Beck appears on the "Today" show, and Paul Clemens discusses blue-collar decline.

16x12 - Kambiz Hosseini & Saman Arbabi

January 20, 2011

Steve Cohen compares Republicans to Nazis, and Kambiz Hosseini and Saman Arbabi call Jon a prophet.

16x13 - Anand Giridharadas

January 24, 2011

Wyatt Cenac dons a parrot suit in Mississippi, and Anand Giridharadas tells Jon the truth.

16x14 - James Franco

January 25, 2011

A reporter searches for homeless talent, and Jon composes an ode to James Franco's Oscar nomination.

16x15 - Jonathan Alter

January 26, 2011

Michele Bachmann looks off camera, and Jonathan Alter examines Obama's plans for the future.

16x16 - T. Boone Pickens

January 27, 2011

Bill O'Reilly defends his Nazi analogies, and T. Boone Pickens wants America on an energy plan.

16x17 - Bill Gates

January 31, 2011

Egyptian forces use American tear gas canisters, and Bill Gates works on curing polio.

16x18 - Michael Steele

February 1, 2011

Conservatives turn into political hypochondriacs, and Michael Steele must prove his identity.

16x19 - Matthew Perry

February 2, 2011

Republicans close the rape loophole, and Matthew Perry talks about his happy friend.

16x20 - Adm. Michael Mullen

February 3, 2011

Justin Bieber switches bodies with Jon, and Mike Mullen talks about the crisis in Egypt.

16x21 - Edward Glaeser

February 14, 2011

16x22 - January Jones

February 15, 2011

16x23 - Brian Williams

February 16, 2011

Anchor and Managing Editor, NBC Nightly News. The award-winning journalist and friend-of-the-show stops by.

16x24 - Ed Gillespie

February 17, 2011

16x25 - Lisa Ling

February 21, 2011

16x26 - Anderson Cooper

February 22, 2011

16x27 - Donald Rumsfeld

February 23, 2011

16x28 - Austan Goolsbee

February 24, 2011

16x29 - Howard Stern

February 28, 2011

CNN anchors take viewer requests, and Howard Stern hopes to talk to Charlie Sheen.

16x30 - Prince Zeid Ra'ad

March 1, 2011

Prince Zeid Ra'ad Representative, The Hashemite Kingdom of Jordan The U.N. representative of Jordan discusses King Abdullah II's new book, "Our Last Best Chance.

16x31 - Allison Stanger

March 2, 2011

16x32 - Diane Ravitch

March 3, 2011

16x33 - Sen. Rand Paul

March 7, 2011

16x34 - Brian Christian

March 8, 2011

Author Brian Christian ('The Most Human Human: What Talking with Computers Teaches Us About What It Means to Be Alive').

16x35 - Aaron Eckhart

March 9, 2011

From 'Battle: Los Angeles,' actor Aaron Eckhart.

16x36 - Trey Parker & Matt Stone

March 10, 2011

'South Park,' creators Trey Parker and Matt Stone.

16x37 - Sarah Vowell

March 21, 2011

Author, "Unfamiliar Fishes." The author discusses her new book about American colonization of Hawaii in the 1800s.

16x38 - T.J. English

March 22, 2011

The author of "The Savage City" discusses his new book about murder and corruption in New York City during the 1960s and 70s.

16x39 - Richard Lewis

March 23, 2011

16x40 - Bret Baier

March 24, 2011

16x41 - Dr. Mansour O.El-Kikhia

March 28, 2011

Republicans want to lower the corporate tax rate, and Mansour O. El-Kikhia discusses Libya.

16x42 - Miguel Nicoleles

March 29, 2011

Joe Biden works the room at a war speech, and Miguel Nicolelis helps paralyzed people walk again.

16x43 - Jake Gyllenhaal

March 30, 2011

Republicans appeal to their narrow base, and Jake Gyllenhaal considers marrying a stranger.

16x45 - Billy Crystal

April 4, 2011

The comedian and actor discusses his role as a vampire in an upcoming Funny Or Die short.

16x46 - Colin Quinn

April 5, 2011

The comedian discusses his one-man Broadway show and special on HBO.

16x47 - Mike Huckabee

April 6, 2011

The former governor of Arkansas discusses his views on government, families and his latest book.

16x48 - Jamie Oliver

April 7, 2011

The chef talks about healthy cooking habits and the upcoming season of his Emmy-winning series.

16x49 - Foo Fighters

April 11, 2011

The rock band visits to perform a song from their latest album.

16x50 - Governor Deval Patrick

April 12, 2011

The governor of Massachusetts discusses his rise from poverty and what gives him hope for America's future.

16x51 - Tracy Morgan

April 13, 2011

The actor and comedian discusses his role in the upcoming animated film.

16x52 - Ricky Gervais

April 14, 2011

The comedian talks about his new HBO special with Jerry Seinfeld, Chris Rock and Louis C.K.

16x53 - Gigi Ibrahim

April 25, 2011

John Oliver highlights royal wedding coverage, and Gigi Ibrahim talks about the Egyptian uprising.

16x54 - Elizabeth Warren

April 26, 2011

Olivia Munn looks into tiger mothering, and Elizabeth Warren wants to protect consumers.

16x55 - Bernie Sanders

April 27, 2011

Obama releases his long-form birth certificate, and Bernie Sanders fights for workers' rights.

16x56 - William Cohan

April 28, 2011

John Oliver talks to British taxpayers about the wedding, and William Cohan discusses Goldman Sachs.

16x57 - Philip K. Howard

May 2, 2011

The U.S. kills Osama bin Laden, and Philip K. Howard explains why the government can't make choices.

16x58 - Rachel Maddow

May 3, 2011

A royal wedding simulation reveals the consummation, and Rachel Maddow discusses Bin Laden's death.

16x59 - David Barton

May 4, 2011

The White House hides the Bin Laden photo, and David Barton discusses religion in the Constitution.

16x60 - Joe Meacham

May 5, 2011

Donald Trump steals the crazy oxygen from Sarah Palin, and Jon Meacham discusses the Civil War.

16x61 - Keira Knightley

May 9, 2011

Jason Jones visits the gayest city in America, and Keira Knightley learns about the Santorum.

16x62 - Will Ferrell

May 10, 2011

Republicans take credit for Bin Laden's death, and Will Ferrell simulates sex with a baseball bat.

16x63 - Albert Brooks

May 11, 2011

Common causes controversy, and Albert Brooks talks about his Kate Middleton obsession.

16x64 - Kristen Wiig

May 12, 2011

Newt Gingrich announces his candidacy on Twitter, and Kristen Wiig talks about "Bridesmaids.

16x65 - Jon Ronson

May 16, 2011

Osama bin Laden's porn stash is discovered, and Jon Ronson talks about psychopaths.

16x66 - Annie Jacobsen

May 17, 2011

Al Madrigal weighs in on immigration reform, and Annie Jacobsen talks about Area 51.

16x67 - Richard Beeman

May 18, 2011

Newt Gingrich outrages Republicans, and Richard Beeman discusses religion in government.

16x68 - Lisa P. Jackson

May 19, 2011

John Hodgman creates a Bin Laden conspiracy theory, and Lisa P. Jackson addresses EPA criticism.

16x69 - Jimmy Fallon

May 31, 2011

Sarah Palin takes a bus tour with her family, and Jimmy Fallon reads a thank you note.

16x70 - Bill Moyers

June 1, 2011

Donald Trump eats his pizza with a fork, and Bill Moyers discusses good journalism.

16x71 - Tim Tebow

June 2, 2011

Eric Cantor wants to justify tornado relief, and Tim Tebow talks about his missionary parents.

16x72 - Maziar Bahari

June 6, 2011

Sarah Palin offers her version of Paul Revere, and Maziar Bahari recounts his Iranian imprisonment.

16x73 - Fareed Zakaria

June 7, 2011

John Oliver promises to mock Anthony Weiner, and Fareed Zakaria discusses American labor.

16x74 - Larry King

June 8, 2011

Anthony Weiner apologizes to Bill Clinton, and Larry King prepares for his European stand-up tour.

16x75 - Howard Wasdin

June 9, 2011

Jon spins the penis wheel, and Howard Wasdin talks about SEAL Team Six.

16x76 - Alex Prud'homme

June 13, 2011

Nancy Pelosi calls on Anthony Weiner to resign, and Alex Prud'homme discusses water pollution.

16x77 - J.J. Abrams

June 14, 2011

Republican hopefuls gather for their second debate, and J.J. Abrams talks about writing for TV.

16x78 - Trey Parker & Matt Stone

June 15, 2011

Barack Obama visits Puerto Rico, and Trey Parker and Matt Stone become the Broadway establishment.

16x79 - Ray Nagin

June 20, 2011

Sam Bee reports on the smoking ban in NYC parks, and Ray Nagin discusses Hurricane Katrina.

16x80 - Cameron Diaz

June 21, 2011

PolitiFact checks Fox News for false statements, and Cameron Diaz removes Jon's stitches.

16x81 - Mitchell Zuckoff

June 22, 2011

Greece protests proposed austerity measures, and Mitchell Zuckoff recounts an unlikely WWII rescue.

16x82 - Bruce Headlam

June 23, 2011

John Hodgman battles hackers on their own turf, and Bruce Headlam discusses "Page One.

16x83 - Jennifer Aniston

June 27, 2011

New York legalizes gay marriage, and Jennifer Aniston talks about her movie, "Horrible Bosses.

16x84 - Louis C.K.

June 28, 2011

Rod Blagojevich has much to look forward to in prison, and Louis C.K. deconstructs fart jokes.

16x85 - Tom Hanks

June 29, 2011

Democrats and Republicans can't agree on the debt ceiling, and Tom Hanks discusses his movie "Larry Crowne.

16x86 - Bill Kristol

June 30, 2011

Mark Halperin calls Barack Obama a dick, and Bill Kristol discusses American war strategy in Afghanistan.

16x87 - Denis Leary

July 11, 2011

Aasif Mandvi finds out why America's birds are dying, and Denis Leary talks about potato Vodka.

16x88 - Kid Rock

July 12, 2011

China might repossess America if Republicans and Democrats don't come to an agreement over the debt crisis, and Kid Rock is a responsible parent with his own brand of beer.

16x89 - Matthew Richardson

July 13, 2011

Jerry Seinfeld helps Jon repress his urge to make gay jokes about Marcus Bachmann, and Matthew Richardson reveals his plan to solve America's mortgage crisis.

16x90 - Sgt. 1st Class Leroy Petry

July 14, 2011

The ongoing debt ceiling negotiations get heated, and Leroy Petry demonstrates his robotic hand.

16x91 - Daniel Radcliffe

July 18, 2011

Barack Obama breaks out his I-mean-business podium and sets a deadline to solve the debt ceiling crisis, and Daniel Radcliffe talks about the last "Harry Potter" movie.

16x92 - Pervez Musharraf

July 19, 2011

The Murdoch scandal turns ugly, and Pervez Musharraf enjoys a beverage and converses about Pakistan.

16x93 - Steve Carell

July 20, 2011

Rupert Murdoch throws his employees under the bus, his wife pummels a pie-wielding idiot, and Steve Carell loves his papa bear.

16x94 - Scott Miller

July 21, 2011

A battle for survival rages among GOP presidential candidates, Allen West doesn't hate women, and Scott Miller discusses William McKinley's ill-liked, anarchist assassin.