Andy Kindler, motocross demo with Travis Pastrana, Baby Gramps
Zach Braff, Jeff Brendenburg, The Roots
Snoop Dogg, Charlie Hill, OK Go
Julianne Moore, radio-show hosts Opie and Anthony
Al Franken, Todd Snider
Maria Sharapova, Martha Stewart, Justin Timberlake
Ashton Kutcher, Sam Hornish, Jr., TV on the Radio
Dwayne "The Rock" Johnson, Norm MacDonald
Anne Heche, Luke Ravenstahl, The Who
Johnny Knoxville, Rachael Ray
Dr. Phil McGraw, Willie Tyler and Lester, Sekou Bunch
Patrick Dempsey, Jay Johnson and Darwin, Kasabian
Marg Helgenberger, Ronn Lucas and Scorch, Diana Krall
Ted Turner, Jeff Dunham and Walter, Fergie
LeBron James, Todd Oliver and Irving, Ludacris
Ray Liotta, Elvis Costello & Tony Bennett, Billy Garcia
Billy Bob Thornton, Lily Capehart, Sean Lennon
Amanda Peet, Nigella Lawson, Bob Seger
Sir Richard Branson, Dane Cook, Monica
Nathan Lane, Jeff Caldwell
Pete Rose, Roy Wood Jr., Cecilia Mansilla
Andy Dick, Keith Olbermann, Brazilian Girls
Alec Baldwin, Vladae the Dog Wizard, Jerry Lee Lewis & Neil Young
Frank Caliendo, Rachael Harris, Xzibit, Phil Pfister
Amy Sedaris, Trey Anastasio
Robin Williams, J.P. Calderon, Sam Moore with Wynonna
Nicky Hilton, Bob Woodward, Joseph Arthur
Jon Stewart, Nick Lachey
Katie Couric, Brian Kiley, Alan Jackson
Diddy, Neil Patrick Harris
Tom Arnold, Brian Regan, the latest "Survivor: Cook Islands" castaway
Tina Fey, Mike Golic & Mike Greenberg, The Killers
Julia Louis-Dreyfus, Jay Thomas, John Legend
Tim Robbins, Gene Rurka, Russell Thompkins Jr. and The New Stylistics
Bill O'Reilly, Jeff Altman, Tilly and the Wall
Borat, Tiki Barber, Beck
Rachel Weisz, David Rakoff, Morningwood
Gary Sinise, Joanne Carson, Jim Norton
Rosie O'Donnell, Lady Sovereign
Martin Short, Kinky Friedman
Will Ferrell, Jack Hanna
Dustin Hoffman, Jamie Oliver, The Metropolitan Opera
Kiefer Sutherland, Jenna Fischer, Rocco DeLuca
Daniel Craig, documentary film subject Teri Horton, Elvis Costello, Rosanne Cash
Robin Williams, Rich Little, George Jones
Jack Black & Kyle Gass, Fred Travalena, Tenacious D
Ellen DeGeneres, Gordie Brown, +44
Christopher Guest, Frank Caliendo, The Game
Sen. John Edwards, Kevin Pollak, Will Arnett
Jerry Seinfeld, Dan Patrick
Hugh Jackman, Chris Elliott, Jimmie Johnson
Matthew Broderick, Lupe Fiasco & Jill Scott
Eugene Levy, John Mayer
Helen Hunt, DJ Shadow, Q-Tip and Lateef
Kate Winslet, Tom Waits
George Clooney, The Decemberists
Richard Simmons, Kate Walsh, Ciara
Jennifer Connelly, Tom Dreesen, Shiny Toy Guns
Danny DeVito, 16-year-old duct tape expert William Beacom, Silversun Pickups
Matt Damon, Barbara Walters
Howard Stern, Gwen Stefani
Kid Scientists, Regis Philbin, Robert Randolph
Will Smith, Evanescence
Clint Eastwood, Matthew Fox
Frank Caliendo as John Madden, Ben Stiller, Rodrigo & Gabriela
Beyonce, Marv Albert, The Dears
Renée Zellweger, holiday toy demonstration, Taking Back Sunday
Tom Brokaw, Cold War Kids
Cate Blanchett, Jay Thomas, Darlene Love
Martin Short, Donal Logue
Matt Lauer, Artie Lange, Augustana
Cedric the Entertainer, Wesley Autrey, Switchfoot
Donald Trump, Mary Lynn Rajskub
David Arquette, Jennifer Hudson
Penelope Cruz, Gary Mule Deer, Ben E. King
Peter O'Toole, Marc Maron
Julianne Moore, Madonna, The Hold Steady
Kristin Chenoweth, John Witherspoon, Josh Ritter
Amy Sedaris, Jason Randal, America with Ryan Adams & Ben Kweller
Paul Newman, Sebastian Bourdais, Diana Ross
Tina Fey, Terri and Bindi Irwin
Harry Shearer, Vera Farmiga, Mat Kearney
Dan Rather, Tricia Helfer, Andy Kindler
Kevin Spacey, Alicia Keys, Nellie McKay & The Brooklyn Philharmonic
Ricky Gervais, Forest Whitaker, The Shins
Frank Caliendo, Mandy Moore, Rosanne Cash
Bill Murray, LeBron James
David Spade, Alexandra Pelosi, Dustin Kensrue
Dr. Phil McGraw, Fall Out Boy
Randy Jackson, Harry Connick Jr., Regis
Chris Elliott, Kelly Ripa, John Mellencamp
Jack Hanna, Katherine Heigl, Patty Griffin
Rachael Ray, Frank Caliendo, The Fab Faux
Drew Barrymore, Rickie Lee Jones, Kevin Johnson with Clyde & Matilda
Peyton Manning, Dan Horn with Orson, The Cat Empire
Martha Stewart, Otto Petersen with George, Norah Jones
Sienna Miller, NAS, Jim Barber with Seville
Tracy Morgan, Gabrielle Union, Brad Cummings and Rex
Jim Carrey, Daytona 500 winner Kevin Harvick
Barbara Walters, David Neeleman, K-os
John Travolta, Eric Nerhus, a performance from the Broadway musical "Spring Awakening"
Billy Bob Thornton, Rashida Jones, Barenaked Ladies
Samuel L. Jackson, Jim Gaffigan
Jake Gyllenhaal, Brand New
Evangeline Lilly, Jeff MacGregor, bubble blowing guy Tom Noddy
Sen. John McCain, Robin Thicke
Bob Woodruff, John Mayer
Charles Grodin, Dan Naturman
Chris Rock, Sandra Oh, Amy Winehouse
Jeff Goldblum, Barbara McQueen
Richard Gere, Explorers Club chef Gene Rurka, Aqualung
Bernie Mac, Paula Abdul, Joss Stone
Adam Sandler, Don Cheadle, Danica Patrick, Todd Barry, Lucinda Williams
Jack Black, Lara Logan, beer launching refrigerator creator John Cornwell
Will Ferrell, Kings of Leon, Rachel Smith
Patricia Arquette, Paul Mooney, Macy Gray
Al Franken, Isla Fisher
Rosario Dawson, Bloc Party, Piedmont bird callers
Donald Trump, Jon Heder
Sen. Barack Obama, Halle Berry, Zach Johnson
David Duchovny, Ryan Howard, Andrew Bird
Alec Baldwin, Debbie Parkhurst and her dog Toby, LCD Soundsystem
Bruce Willis, Jason Randal
Bill Cosby, Angela Kinsey
Kelly Ripa, Simon Pegg
Craig Ferguson, Dave Della Terza, Avril Lavigne
Edie Falco, Paul Scheer, Son Volt
Garry Shandling, Paul Teutul Sr. and Jr., Tokyo Police Club
Jessica Biel, Ira Glass, Regina Spektor
Brian Williams, Steven Wright, a Top Ten list presented by Sanjaya Malakar
David Hyde Pierce, Ivanka Trump, Corinne Bailey Rae
Nicolas Cage, Barry Sonnenfeld, The Fratellis
Steve Martin, Dave Cota and A.J. the parakeet, Derek Jeter
Frank Caliendo as President George W. Bush, Andy Dick, Jarvis Cocker
Kirsten Dunst, Rob Magnotti, Dinosaur Jr.
Tobey Maguire, John Byner, Modest Mouse
Drew Barrymore, Mike MacRae, Ben Kweller
Marcia Cross, Joe Piscopo, Tori Amos
Ray Romano, Reggie Reg, Dennis Haysbert
Regis Philbin, Darlene Love
Jane Fonda, Tom Ruprecht, Kelly Clarkson
Lindsay Lohan, Tom Dreesen, The Kooks
Dr. Phil McGraw, Jack Hanna
Charles Grodin, Jake Johannsen
Mike Myers, America Ferrera
Don Rickles, Michael Imperioli, Wilco, a Top Ten List presented by Masi Oka
Ricky Gervais, Mary Lynn Rajskub, Mavis Staples, a Top Ten List presented by Bob Barker
Kid Scientists, Luke Wilson, Rufus Wainwright, a Top Ten List presented by Homer Simpson
Teri Hatcher, Jonah Hill, Elvis Costello
Rudolph Giuliani, Mike West, Jesus & Mary Chain
Charles Barkley, Seth Rogen, Michael Martin Murphey
Stupid Pet Tricks, Rosie Perez, Dr. Dog
Al Gore, Jim Short
Kevin Spacey, Alexis Bledel
Matt Damon, Indianapolis 500 winner Dario Franchitti, Bright Eyes
Chevy Chase, Amanda Beard, Satellite Party
Nicole Richie, Artie Lange, Chrisette Michele
Amy Sedaris, Chuck "The Iceman" Liddell, Jordan Zevon
Ellen Barkin, Brian Regan
Denis Leary, Flight of the Conchords, Neal Seaver
Kyra Sedgwick, Sir Richard Branson, Maroon 5
Bear Grylls, Jeremy Piven, Elvis Perkins
John Cusack, Pink Martini, Turkey Gobbling Champions
Michael Moore, Bill Burr
Bruce Willis, Tony Parker, diving dogs
Amanda Peet, John Krasinski, Bryan Ferry
Claire Danes, Dan Patrick & Keith Olbermann, Ryan Adams & The Cardinals
Robin Williams, Julie Chen
Dennis Kucinich, Shia LaBeouf, Morrissey
Don Cheadle, Smashing Pumpkins, Venus Williams
Sienna Miller, Michael Cera, Interpol
Diddy, Emma Watson, Spoon
Paul Teutul Sr. and Jr., Vera Farmiga, Joe Matarese
Queen Latifah, Alan Zweibel, Smashing Pumpkins
Michelle Pfeiffer, Jonah Hill, Michel Lauziere
Adam Sandler, Mike Golic and Mike Greenberg, Mute Math
John Travolta, Paula Abdul, Teddy Thompson
Kevin James, Jose Andres, White Rabbits
Julia Stiles, Pete Jordan, Nick Griffin
Drew Carey, Nikki Blonsky, Grinderman
Paul Rudd, Tony Dungy, The National
Catherine Zeta-Jones, Bob Sarlatte, Porter Wagoner
Sharon Osbourne, Brian Kiley, Yeah Yeah Yeahs
Anne Hathaway, Jim Gaffigan, Buffalo Tom
Andy Samberg, Catherine Bell, The Bravery
Sen. Joe Biden, Seth Rogen, Gogol Bordello
Matt Damon, Jeff Altman, Angelique Kidjo
Jackie Chan, Chelsea Handler, Michael Buble
Glenn Close, Judd Apatow, Chris & Rich Robinson
Jeff Goldblum, Hayden Panettiere, New Pornographers
Samuel L. Jackson, Christiane Amanpour, Tom Russell
Richard Gere, Tom Dreesen, Velvet Revolver
Tina Fey, Venus Williams, Steve Earle
Tom Arnold, Kristin Gore, Jim McDonald
Susan Sarandon, Rick Reilly, Feist
Kevin Bacon, Kat Von D, T.I. with Wyclef
Ellen DeGeneres, Jeff Garlin, Against Me!
Sen. Hillary Rodham Clinton, Willie Nelson & Kenny Chesney
Amy Sedaris, Will Arnett
