David Duchovny, Tim Gunn, Kevin Brennan

45 min

Clive Owen, Alan Alda, Dinosaur Jr.

45 min

Will Arnett, Terry Crews, Patti Scialfa

45 min

Jeff Garlin, Nicholas Art, Hot Hot Heat

45 min

Paul Giamatti, Alyson Hannigan, Bad Religion

45 min

Mary-Kate Olsen, Wayne Brady, Lyle Lovett

45 min

Billy Bob Thornton, Sen. Chris Dodd, Kenny Chesney

45 min

Patricia Heaton, Tiki Barber, The Used

45 min

Morgan Freeman, Cheryl Hines, KT Turnstall

45 min

Kelsey Grammer, Aries Spears, James Blunt

45 min

Brad Garrett, Joy Behar, Rogue Wave

45 min

Terrence Howard, Simon Pegg, Mystery

45 min

Meredith Vieira, Steven Wright, Ben Harper & the Innocent Criminals

45 min

Bob Costas, Jim Gaffigan, Rilo Kiley

45 min

Jamie Foxx, Heather Graham, Mike Birgbiglia

45 min

Ted Danson, Patton Oswalt, Devendra Banhart

45 min

Dwayne "The Rock" Johnson, Ed Helms, Bjork

45 min

Seth Meyers, Bret Michaels, Jose Gonzalez

45 min

Jerry O'Connell, Ken Burns, VHS or Beta

45 min

Ted Koppel, Jason Schwartzman, Dana Gould

45 min

Tina Fey, Kenneth Branagh, Ani DiFranco

45 min

Snoop Dogg, Connie Britton, Bloc Party

45 min

Jennifer Connelly, Fred Willard, Animal Collective

45 min

Joaquin Phoenix, Jim Gaffigan, Paramore

45 min

Mark Wahlberg, Michael Strahan, The Black Lips

45 min

Tracy Morgan, Emile Hirsch, A.J. Jacobs

45 min

Jon Bon Jovi, Eva Mendes, Klaxons

45 min

Anderson Cooper, Paget Brewster, Fionn Regan

45 min

Jake Gyllenhaal, Christina Hendricks, Ghostland Observatory

45 min

Anthony Hopkins, Joe Buck, Mute Math

45 min

John Cusack, James Lipton, Spoon

45 min

Josh Harnett, Jack McBrayer, Brother Ali

45 min

Charles Barkley, William Baldwin, Seether

45 min

Ethan Hawke, Susie Essman, Zappa Plays Zappa

45 min

Brian Williams, Roger Daltrey, Manchester Orchestra

45 min

Dane Cook, Emily Mortimer, Slash

45 min

Jerry Seinfeld, David Ortiz, Sondre Lerche

45 min

Bob Saget, Dwayne Perkins, Robert Gordon & Chris Spedding

45 min

Megan Mullally, Fonzworth Bentley, Kid Rock

45 min

Bill Maher, Jim Cramer, Mike Destefano

45 min

Hulk Hogan, Regina Hall, Nicole Atkins & the Sea

45 min

Donald Trump, Irina Markova and her performing dogs, Sia

45 min

Ice Cube, Dr. Drew Pinsky, Marah

45 min

Howie Mandel, Leigh Killian, Kate Nash

45 min

Brian Williams, David Wondrich, Doyle & Debbie

45 min

Lester Holt, Sue Johanson, Ingrid Michaelson

45 min

Tom Brokaw, Anthony Jeselnik, Bell X1

45 min

Pink, Lou Dobbs, Bettye LaVette

45 min

Chazz Palminteri, Erin Burnett, Louis XIV

45 min

Bret Michaels, Antonio Pierce, Lisa Loeb

45 min

Jim Gaffigan, Chuck Liddell, Joe Nichols

45 min

David Gregory, Travis Pastrana, Kate Walsh

45 min

Jeff Corwin, Colin Hanks, Matt Nathanson

45 min

Dr. Phil McGraw, David Borgenicht, Les Savy Fav

45 min

Shawn Thayer, Ingrid Backstrom, The Blind Boys of Alabama

45 min

Ann Curry, Mike Epps, OneRepublic

45 min

Michael Strahan, Sarah Bolger, Sheryl Crow

45 min

The Great Throwdini, Donny Deutsch, The Dillinger Escape Plan

45 min

Izabel Goulart, Len Berman, Nada Surf

45 min

Professor Peter H. Fisher, Dr. Bob Arnot, Eric Lindell

45 min

Carson Kressley, Jim DeRogatis & Greg Kot, Catherine Russell

45 min

Jim Cramer, José Andrés, Band of Horses

45 min

Matt Lauer, Ryan Reynolds, Simple Plan

45 min

Martin Short, Ray Allen, The Kooks

45 min

Neil Patrick Harris, Daniella Sarahyba, Yeasayer

45 min

Larry the Cable Guy, Tim Gunn, Jim Lauderdale

45 min

Anderson Cooper, Bill Hader, Jake Shimabukuro

45 min

Randy Jackson, Artie Lange, The Whigs

45 min

Barbara Walters, Wladimir Klitschko, Black Mountain

45 min

Nathan Lane, Michel Gondry, Secondhand Serenade

45 min

Will Arnett, Flavor Flav, Super Furry Animals

45 min

Will Ferrell, Rashida Jones, tae kwon do expert Fred Simmons

45 min

Tom Arnold, Todd Barry, Georgie James

45 min

Natalie Portman, Robert Schimmel, James Blunt

45 min

Christina Ricci, Jason Sudeikis, Shooter Jennings

45 min

Paul Giamatti, Mark 'Dr. Bugs' Moffett, Jaymay

45 min

Jonah Hill, John Tesh, Drive-By Truckers

45 min

Snoop Dogg, Carson Daly

45 min

Meredith Vieira, Harland Williams, Keith Robinson

45 min

Frank Caliendo, Cheryl Hines, The Bad Plus

45 min

Martha Stewart, Lance Krall, Billy Bragg

45 min

Ice-T, Brian Posehn, Stars

45 min

Tracy Morgan, Chris Hansen, Paul Thorn

45 min

David Schwimmer, Drake Bell, Yael Naim

45 min

Ryan Phillippe, Big Show, JB Smooth

45 min

Bob Costas, Marc Maron, Moby

45 min

Helen Mirren, yodeler Wylie Gustafson, Carbon/Silicon

45 min

John Leguizamo, George Takei, The Bravery

45 min

John Krasinski, Bode Miller, Cobra Starship

45 min

Christina Applegate, Lewis Black, Stephen Curry

45 min

George Wendt, Howard Bach, Hot Chip

45 min

Jarod Miller, David Gregory, John Oliver

45 min

Eddie Izzard, Morgan Spurlock, Tapes 'N Tapes

45 min

Sarah Jessica Parker, Eddie Izzard, They Might Be Giants

45 min

Patrick Stewart, Oliver Hudson, A.A. Bondy

45 min

Rachael Ray, Kal Penn, Grizzly Bear

45 min

Andy Richter, Jennifer Esposito, She + Him

45 min

Seth Green, Peter Greenberg, Radiohead

45 min

Amy Poehler, Danica Patrick, Dave Attell

45 min

Tina Fey, Fred Willard, Say Anything

45 min

Marisa Tomei, Anthony Anderson, Santogold

45 min

Jeff Garlin, Dax Shepard, The Kills

45 min

Gordon Ramsay, Rob Corddry, Feist

45 min

Sigourney Weaver, Darrell Hammond, Was (Not Was)

45 min

Matthew Broderick, Michelle Monaghan, Brian Turner

45 min

Patricia Heaton, Katt Williams, Thrice

45 min

Jason Lee, Eva Amurri, Galactic

45 min

Liam Neeson, B.J. Novak, The Duke Spirit

45 min

Emile Hirsch, Terrell Owens, Craig Baldo

45 min

Seth Meyers, Sophia Bush, Tokio Hotel

45 min

Jimmy Fallon, William Shatner, Gary Vaynerchuk

45 min

Steve Carell, Alyson Hannigan, Duffy

45 min

Brian Williams, Leighton Meester, The Black Keys

45 min

Seth MacFarlane, Carlos Mencia, MGMT

45 min

Alan Alda, John Cena, Everest

45 min

Kevin Nealon, Mary McCormack, DeVotchKa

45 min

Denis Leary, Anthony Bourdain, Mates of State

45 min

Harrison Ford, Eric McCormack, Atmosphere

45 min

Kevin Spacey, Cynthia Nixon, Brian Kiley

45 min

Kristin Davis, Ira Glass, Ryan Bingham

45 min

The Strike Beard Show

45 min

Jon Bon Jovi, Eva Mendes

45 min

Seann William Scott, Tim Meadows, The Raconteurs

45 min

Colin Firth, Hugh Rowland, Jackie Greene

45 min

Adam Sandler, Werner Herzog, Jewel

45 min

Wanda Sykes, Emmanuelle Chriqui, Lewis Black

45 min

Kim Cattrall, Matt Taibbi, Lightspeed Champion

45 min

Kate Hudson, Robert Smigel, James Hunter

45 min

Jeff Corwin, Mario Lopez, Jamie Lidell

45 min

Mark Wahlberg, Louis C.K., Sharon Jones and The Dap-Kings

45 min

Randy Jackson, Piper Perabo, Forever the Sickest Kids

45 min

Michael Strahan, D.L. Hughley, Brian Scolaro

45 min

Ann Curry, Mario Batali, The Lordz

45 min

Megan Mullally, Brittany Snow, Detroit Octane

45 min

Mike Myers, Jordana Spiro, Dolphina

45 min

Anne Hathaway, Romany Malco, My Morning Jacket

45 min

Jason Bateman, Masi Oka, Alejandro Escovedo

45 min

Ted Koppel, Emily Mortimer, Steel Train

45 min

Selma Blair, Sig Hansen, Little Jackie

45 min

Kyra Sedgwick, Jim Cramer, Joe Cocker

45 min

Al Roker, Paul Pierce, Pilobolus

45 min

Sean Hayes, Ed Helms, Tom Papa

45 min

Gary Oldman, Joe Buck, Kenny Chesney

45 min

Heidi Klum, Joel McHale, Daryl Hall & K.T. Tunstall

45 min

Seth Green, Russell Brand, Eugene Mirman

45 min

Aaron Eckhart, Caroline Rhea, Dr. Dog

45 min

Senator John McCain and The Steeldrivers

45 min

Carson Kressley, Keke Palmer, The Ting Tings

45 min

Jason Sudeikis, Dr. Wladimir

45 min

Kevin Costner, Maria Bello, Yuto Miyazawa & Gogol Bordello

45 min

Nathan Lane, Dylan Ratigan, Missy Higgins

45 min

Brendan Fraser, Steve Schirripa, The Airborne Toxic Event

45 min

America Ferrera, Judd Apatow, Dwayne Perkins

45 min

Seth Meyers, Sharon Osbourne, N*E*R*D

45 min

Javier Bardem, Danny McBride, The B-52s

45 min

Seth Rogen, Philippe Petit, Al Green

45 min

Kiefer Sutherland, Jim Gaffigan, Mason Jennings

45 min

Daniel Radcliffe, Steve Coogan, The Hold Steady

45 min

Vin Diesel, Dave Attell, The Virgins

45 min

Tiger Woods, Vanessa Minnillo, Jimmy Carr

45 min

Aaron Peirsol, Anthony Anderson, Lykke Li

45 min

Bob Costas, Sophia Bush, The Spring Standards

45 min