S14E01 - Andy Kindler, motocross demo with Travis Pastrana, Baby Gramps

S14E02 - Zach Braff, Jeff Brendenburg, The Roots

S14E03 - Snoop Dogg, Charlie Hill, OK Go

S14E04 - Julianne Moore, radio-show hosts Opie and Anthony

S14E05 - Al Franken, Todd Snider

S14E06 - Maria Sharapova, Martha Stewart, Justin Timberlake

S14E07 - Ashton Kutcher, Sam Hornish, Jr., TV on the Radio

S14E08 - Dwayne "The Rock" Johnson, Norm MacDonald

S14E09 - Anne Heche, Luke Ravenstahl, The Who

S14E10 - Johnny Knoxville, Rachael Ray

S14E11 - Dr. Phil McGraw, Willie Tyler and Lester, Sekou Bunch

S14E12 - Patrick Dempsey, Jay Johnson and Darwin, Kasabian

S14E13 - Marg Helgenberger, Ronn Lucas and Scorch, Diana Krall

S14E14 - Ted Turner, Jeff Dunham and Walter, Fergie

S14E15 - LeBron James, Todd Oliver and Irving, Ludacris

S14E16 - Ray Liotta, Elvis Costello & Tony Bennett, Billy Garcia

S14E17 - Billy Bob Thornton, Lily Capehart, Sean Lennon

S14E18 - Amanda Peet, Nigella Lawson, Bob Seger

S14E19 - Sir Richard Branson, Dane Cook, Monica

S14E20 - Nathan Lane, Jeff Caldwell

S14E21 - Pete Rose, Roy Wood Jr., Cecilia Mansilla

S14E22 - Andy Dick, Keith Olbermann, Brazilian Girls

S14E23 - Alec Baldwin, Vladae the Dog Wizard, Jerry Lee Lewis & Neil Young

S14E24 - Frank Caliendo, Rachael Harris, Xzibit, Phil Pfister

S14E25 - Amy Sedaris, Trey Anastasio

S14E26 - Robin Williams, J.P. Calderon, Sam Moore with Wynonna

S14E27 - Nicky Hilton, Bob Woodward, Joseph Arthur

S14E28 - Jon Stewart, Nick Lachey

S14E29 - Katie Couric, Brian Kiley, Alan Jackson

S14E30 - Diddy, Neil Patrick Harris

S14E31 - Tom Arnold, Brian Regan, the latest "Survivor: Cook Islands" castaway

S14E32 - Tina Fey, Mike Golic & Mike Greenberg, The Killers

S14E33 - Julia Louis-Dreyfus, Jay Thomas, John Legend

S14E34 - Tim Robbins, Gene Rurka, Russell Thompkins Jr. and The New Stylistics

S14E35 - Bill O'Reilly, Jeff Altman, Tilly and the Wall

S14E36 - Borat, Tiki Barber, Beck

S14E37 - Rachel Weisz, David Rakoff, Morningwood

S14E38 - Gary Sinise, Joanne Carson, Jim Norton

S14E39 - Rosie O'Donnell, Lady Sovereign

S14E40 - Martin Short, Kinky Friedman

S14E41 - Will Ferrell, Jack Hanna

S14E42 - Dustin Hoffman, Jamie Oliver, The Metropolitan Opera

S14E43 - Kiefer Sutherland, Jenna Fischer, Rocco DeLuca

S14E44 - Daniel Craig, documentary film subject Teri Horton, Elvis Costello, Rosanne Cash

S14E45 - Robin Williams, Rich Little, George Jones

S14E46 - Jack Black & Kyle Gass, Fred Travalena, Tenacious D

S14E47 - Ellen DeGeneres, Gordie Brown, +44

S14E48 - Christopher Guest, Frank Caliendo, The Game

S14E49 - Sen. John Edwards, Kevin Pollak, Will Arnett

S14E50 - Jerry Seinfeld, Dan Patrick

S14E51 - Hugh Jackman, Chris Elliott, Jimmie Johnson

S14E52 - Matthew Broderick, Lupe Fiasco & Jill Scott

S14E53 - Eugene Levy, John Mayer

S14E54 - Helen Hunt, DJ Shadow, Q-Tip and Lateef

S14E55 - Kate Winslet, Tom Waits

S14E56 - George Clooney, The Decemberists

S14E57 - Richard Simmons, Kate Walsh, Ciara

S14E58 - Jennifer Connelly, Tom Dreesen, Shiny Toy Guns

S14E59 - Danny DeVito, 16-year-old duct tape expert William Beacom, Silversun Pickups

S14E60 - Matt Damon, Barbara Walters

S14E61 - Howard Stern, Gwen Stefani

S14E62 - Kid Scientists, Regis Philbin, Robert Randolph

S14E63 - Will Smith, Evanescence

S14E64 - Clint Eastwood, Matthew Fox

S14E65 - Frank Caliendo as John Madden, Ben Stiller, Rodrigo & Gabriela

S14E66 - Beyonce, Marv Albert, The Dears

S14E67 - Renée Zellweger, holiday toy demonstration, Taking Back Sunday

S14E68 - Tom Brokaw, Cold War Kids

S14E69 - Cate Blanchett, Jay Thomas, Darlene Love

S14E70 - Martin Short, Donal Logue

S14E71 - Matt Lauer, Artie Lange, Augustana

S14E72 - Cedric the Entertainer, Wesley Autrey, Switchfoot

S14E73 - Donald Trump, Mary Lynn Rajskub

S14E74 - David Arquette, Jennifer Hudson

S14E75 - Penelope Cruz, Gary Mule Deer, Ben E. King

S14E76 - Peter O'Toole, Marc Maron

S14E77 - Julianne Moore, Madonna, The Hold Steady

S14E78 - Kristin Chenoweth, John Witherspoon, Josh Ritter

S14E79 - Amy Sedaris, Jason Randal, America with Ryan Adams & Ben Kweller

S14E80 - Paul Newman, Sebastian Bourdais, Diana Ross

S14E81 - Tina Fey, Terri and Bindi Irwin

S14E82 - Harry Shearer, Vera Farmiga, Mat Kearney

S14E83 - Dan Rather, Tricia Helfer, Andy Kindler

S14E84 - Kevin Spacey, Alicia Keys, Nellie McKay & The Brooklyn Philharmonic

S14E85 - Ricky Gervais, Forest Whitaker, The Shins

S14E86 - Frank Caliendo, Mandy Moore, Rosanne Cash

S14E87 - Bill Murray, LeBron James

S14E88 - David Spade, Alexandra Pelosi, Dustin Kensrue

S14E89 - Dr. Phil McGraw, Fall Out Boy

S14E90 - Randy Jackson, Harry Connick Jr., Regis

S14E91 - Chris Elliott, Kelly Ripa, John Mellencamp

S14E92 - Jack Hanna, Katherine Heigl, Patty Griffin

S14E93 - Rachael Ray, Frank Caliendo, The Fab Faux

S14E94 - Drew Barrymore, Rickie Lee Jones, Kevin Johnson with Clyde & Matilda

S14E95 - Peyton Manning, Dan Horn with Orson, The Cat Empire

S14E96 - Martha Stewart, Otto Petersen with George, Norah Jones

S14E97 - Sienna Miller, NAS, Jim Barber with Seville

S14E98 - Tracy Morgan, Gabrielle Union, Brad Cummings and Rex

S14E99 - Jim Carrey, Daytona 500 winner Kevin Harvick

S14E100 - Barbara Walters, David Neeleman, K-os

S14E101 - John Travolta, Eric Nerhus, a performance from the Broadway musical "Spring Awakening"

S14E102 - Billy Bob Thornton, Rashida Jones, Barenaked Ladies

S14E103 - Samuel L. Jackson, Jim Gaffigan

S14E104 - Jake Gyllenhaal, Brand New

S14E105 - Evangeline Lilly, Jeff MacGregor, bubble blowing guy Tom Noddy

S14E106 - Sen. John McCain, Robin Thicke

S14E107 - Bob Woodruff, John Mayer

S14E108 - Charles Grodin, Dan Naturman

S14E109 - Chris Rock, Sandra Oh, Amy Winehouse

S14E110 - Jeff Goldblum, Barbara McQueen

S14E111 - Richard Gere, Explorers Club chef Gene Rurka, Aqualung

S14E112 - Bernie Mac, Paula Abdul, Joss Stone

S14E113 - Adam Sandler, Don Cheadle, Danica Patrick, Todd Barry, Lucinda Williams

S14E114 - Jack Black, Lara Logan, beer launching refrigerator creator John Cornwell

S14E115 - Will Ferrell, Kings of Leon, Rachel Smith

S14E116 - Patricia Arquette, Paul Mooney, Macy Gray

S14E117 - Al Franken, Isla Fisher

S14E118 - Rosario Dawson, Bloc Party, Piedmont bird callers

S14E119 - Donald Trump, Jon Heder

S14E120 - Sen. Barack Obama, Halle Berry, Zach Johnson

S14E121 - David Duchovny, Ryan Howard, Andrew Bird

S14E122 - Alec Baldwin, Debbie Parkhurst and her dog Toby, LCD Soundsystem

S14E123 - Bruce Willis, Jason Randal

S14E124 - Bill Cosby, Angela Kinsey

S14E125 - Kelly Ripa, Simon Pegg

S14E126 - Craig Ferguson, Dave Della Terza, Avril Lavigne

S14E127 - Edie Falco, Paul Scheer, Son Volt

S14E128 - Garry Shandling, Paul Teutul Sr. and Jr., Tokyo Police Club

S14E129 - Jessica Biel, Ira Glass, Regina Spektor

S14E130 - Brian Williams, Steven Wright, a Top Ten list presented by Sanjaya Malakar

S14E131 - David Hyde Pierce, Ivanka Trump, Corinne Bailey Rae

S14E132 - Nicolas Cage, Barry Sonnenfeld, The Fratellis

S14E133 - Steve Martin, Dave Cota and A.J. the parakeet, Derek Jeter

S14E134 - Frank Caliendo as President George W. Bush, Andy Dick, Jarvis Cocker

S14E135 - Kirsten Dunst, Rob Magnotti, Dinosaur Jr.

S14E136 - Tobey Maguire, John Byner, Modest Mouse

S14E137 - Drew Barrymore, Mike MacRae, Ben Kweller

S14E138 - Marcia Cross, Joe Piscopo, Tori Amos

S14E139 - Ray Romano, Reggie Reg, Dennis Haysbert

S14E140 - Regis Philbin, Darlene Love

S14E141 - Jane Fonda, Tom Ruprecht, Kelly Clarkson

S14E142 - Lindsay Lohan, Tom Dreesen, The Kooks

S14E143 - Dr. Phil McGraw, Jack Hanna

S14E144 - Charles Grodin, Jake Johannsen

S14E145 - Mike Myers, America Ferrera

S14E146 - Don Rickles, Michael Imperioli, Wilco, a Top Ten List presented by Masi Oka

S14E147 - Ricky Gervais, Mary Lynn Rajskub, Mavis Staples, a Top Ten List presented by Bob Barker

S14E148 - Kid Scientists, Luke Wilson, Rufus Wainwright, a Top Ten List presented by Homer Simpson

S14E149 - Teri Hatcher, Jonah Hill, Elvis Costello

S14E150 - Rudolph Giuliani, Mike West, Jesus & Mary Chain

S14E151 - Charles Barkley, Seth Rogen, Michael Martin Murphey

S14E152 - Stupid Pet Tricks, Rosie Perez, Dr. Dog

S14E153 - Al Gore, Jim Short

S14E154 - Kevin Spacey, Alexis Bledel

S14E155 - Matt Damon, Indianapolis 500 winner Dario Franchitti, Bright Eyes

S14E156 - Chevy Chase, Amanda Beard, Satellite Party

S14E157 - Nicole Richie, Artie Lange, Chrisette Michele

S14E158 - Amy Sedaris, Chuck "The Iceman" Liddell, Jordan Zevon

S14E159 - Ellen Barkin, Brian Regan

S14E160 - Denis Leary, Flight of the Conchords, Neal Seaver

S14E161 - Kyra Sedgwick, Sir Richard Branson, Maroon 5

S14E162 - Bear Grylls, Jeremy Piven, Elvis Perkins

S14E163 - John Cusack, Pink Martini, Turkey Gobbling Champions

S14E164 - Michael Moore, Bill Burr

S14E165 - Bruce Willis, Tony Parker, diving dogs

S14E166 - Amanda Peet, John Krasinski, Bryan Ferry

S14E167 - Claire Danes, Dan Patrick & Keith Olbermann, Ryan Adams & The Cardinals

S14E168 - Robin Williams, Julie Chen

S14E169 - Dennis Kucinich, Shia LaBeouf, Morrissey

S14E170 - Don Cheadle, Smashing Pumpkins, Venus Williams

S14E171 - Sienna Miller, Michael Cera, Interpol

S14E172 - Diddy, Emma Watson, Spoon

S14E173 - Paul Teutul Sr. and Jr., Vera Farmiga, Joe Matarese

S14E174 - Queen Latifah, Alan Zweibel, Smashing Pumpkins

S14E175 - Michelle Pfeiffer, Jonah Hill, Michel Lauziere

S14E176 - Adam Sandler, Mike Golic and Mike Greenberg, Mute Math

S14E177 - John Travolta, Paula Abdul, Teddy Thompson

S14E178 - Kevin James, Jose Andres, White Rabbits

S14E179 - Julia Stiles, Pete Jordan, Nick Griffin

S14E180 - Drew Carey, Nikki Blonsky, Grinderman

S14E181 - Paul Rudd, Tony Dungy, The National

S14E182 - Catherine Zeta-Jones, Bob Sarlatte, Porter Wagoner

S14E183 - Sharon Osbourne, Brian Kiley, Yeah Yeah Yeahs

S14E184 - Anne Hathaway, Jim Gaffigan, Buffalo Tom

S14E185 - Andy Samberg, Catherine Bell, The Bravery

S14E186 - Sen. Joe Biden, Seth Rogen, Gogol Bordello

S14E187 - Matt Damon, Jeff Altman, Angelique Kidjo

S14E188 - Jackie Chan, Chelsea Handler, Michael Buble

S14E189 - Glenn Close, Judd Apatow, Chris & Rich Robinson

S14E190 - Jeff Goldblum, Hayden Panettiere, New Pornographers

S14E191 - Samuel L. Jackson, Christiane Amanpour, Tom Russell

S14E192 - Richard Gere, Tom Dreesen, Velvet Revolver

S14E193 - Tina Fey, Venus Williams, Steve Earle

S14E194 - Tom Arnold, Kristin Gore, Jim McDonald

S14E195 - Susan Sarandon, Rick Reilly, Feist

S14E196 - Kevin Bacon, Kat Von D, T.I. with Wyclef

S14E197 - Ellen DeGeneres, Jeff Garlin, Against Me!

S14E198 - Sen. Hillary Rodham Clinton, Willie Nelson & Kenny Chesney

S14E199 - Amy Sedaris, Will Arnett