Episode 1 - Howie Mandel, Amanda Bynes, Emmylou Harris

Episode 2 - Jamie Foxx, Tim Gunn, Paolo Nutini

Episode 3 - Dane Cook, Ali Larter, LCD Soundsystem

Episode 4 - Jessica Alba, D.L. Hughley, Cold War Kids

Episode 5 - Hugh Laurie, Sherri Shepherd, The Editors

Episode 6 - Dwayne "The Rock" Johnson, Dennis Kucinich, Diana Krall

Episode 7 - Jennifer Love Hewitt, Jeff Corwin, Reba McEntire with Vince Gill

Episode 8 - Steve Carell, Madison Pettis, Bright Eyes

Episode 9 - Ben Stiller, Tony Snow, Raul Midon

Episode 10 - Teri Hatcher, Kevin McKidd, Queen Latifah

Episode 11 - Patricia Heaton, Emeril Lagasse, Tori Amos

Episode 13 - Tom Selleck, Carlos Mencia, Bobbie and Willie Nelson

Episode 14 - John Larroquette, Chelsea Handler, Matchbox Twenty

Episode 15 - Cate Blanchett, Tyler Perry, Annie Lennox

Episode 16 - Ben Affleck, Jim Norton, The Shins

Episode 17 - Jaime Pressly, Brady Barr, Blue Man Group

Episode 18 - Dana Carvey, Malin Akerman, Plain White T's

Episode 19 - Joaquin Phoenix, Gordon Ramsay, Vanessa Carlton

Episode 20 - Christina Applegate, Bill O'Reilly, Alicia Keys

Episode 21 - James Spader, Lara Logan, Steve Byrne

Episode 22 - Reese Witherspoon, David Koechner, PJ Harvey

Episode 23 - Sen. Barack Obama, Orny Adams, Keith Urban

Episode 24 - Jerry Seinfeld, Amy Ryan, Evanescence

Episode 25 - Halle Berry, Greg Grunberg, Dwight Yoakam

Episode 26 - Russell Crowe, Jenna Bush, Carrie Underwood

Episode 27 - Tom Cruise, Rep. Ron Paul, Sex Pistols

Episode 28 - Eva Mendes, Marjorie Johnson, Barry Manilow

Episode 29 - Denzel Washington, Dave Salmoni, LeAnn Rimes

Episode 30 - Steve Carell, Manny Ramirez, Backstreet Boys

Episode 31 - Gov. Mike Huckabee, Emeril Lagasse, Chingy

Episode 32 - Howie Mandel, Jason Lewis, Joe Nichols

Episode 33 - Animals With Jarod Miller, John Caparulo, Blake Lewis

Episode 34 - Ron Paul, Christopher Titus, Shakira

Episode 35 - Pamela Anderson, Mary J. Blige

Episode 36 - Jules Sylvester and animals, Maria Bartiromo, Finger Eleven

Episode 37 - Jimmy Kimmel, Elon Gold, OneRepublic

Episode 38 - Arsenio Hall, Melanie Metz & Peggy Willenberg, Seether

Episode 39 - Marilu Henner, Brady Barr, Jordan Sparks

Episode 40 - Bill Maher, Carrie Ann Inaba & Bruno Tonioli, Taylor Swift

Episode 41 - Chris Matthews, John Roy, Jill Scott

Episode 42 - D.L. Hughley, Joe Ligotti, Sara Bareilles

Episode 43 - Mitt Romney, Ryan Sheckler, Jonas Brothers

Episode 44 - Simon Cowell & Ryan Seacrest, Tavis Smiley, Shaggy

Episode 45 - David Gregory, Performing Birds, Puddle Of Mudd

Episode 46 - Adam Carolla, Richard Roeper, Shooter Jennings

Episode 47 - Animals With Julie Scardina, Chelsea Handler, Buckcherry

Episode 48 - Hulk Hogan, Mad Scientist David Willey, Natasha Bedingfield

Episode 49 - Chazz Palminteri, Alison Sweeney, Dierks Bentley

Episode 50 - Lester Holt, Blue Ribbon Baker Marjorie Johnson, Raheem DeVaughn

Episode 51 - Animals with Dave Salmoni, Tom Green, Maroon 5

Episode 52 - Sen. John McCain, Rudy Giuliani, Shelby Lynne

Episode 53 - Tom Brokaw, Terrell Owens, Graham Colton

Episode 54 - Dan Rather, Mike Rowe, Josh Kelley

Episode 55 - Insects with Brent Karner, Stephen Baldwin, J. Holiday

Episode 56 - Frank Caliendo, Chimp Rescuer Eugene Cussons, Flo Rida

Episode 57 - Arsenio Hall, Paula Deen, James Blunt

Episode 58 - Brian Williams, Ahmed Ahmed, Enrique Iglesias

Episode 59 - Larry the Cable Guy, Bobby Knight, Andrea Bocelli

Episode 60 - Larry the Cable Guy, Bruno Tonioli, Glen Hansard & Markéta Irglová

Episode 61 - Joan Embery and Animals, Larry the Cable Guy, Mika

Episode 62 - Russell Crowe, Larry the Cable Guy, Willie Nelson

Episode 63 - Kristen Chenoweth, Russell Peters, Lifehouse

Episode 64 - Reese Witherspoon, Alex Cambert, Gary Allan

Episode 65 - Will Ferrell, Hayden Christensen, The Hives

Episode 66 - Garth Brooks, Christina Ricci

Episode 67 - Heidi Klum, James McAvoy, John Fogerty

Episode 68 - Colin Farrell, Bill O'Reilly, Herbie Hancock

Episode 69 - Eric Bana, Catherine O'Hara, Tift Merritt

Episode 70 - Dennis Quaid, David Koechner, Lupe Fiasco

Episode 71 - Billy Ray Cyrus, Miley Cyrus, Brooke Shields

Episode 72 - Wanda Sykes, Bryan Cranston, Cat Power

Episode 73 - Dave Salmoni and Animals, Patricia Arquette, The Punch Brothers

Episode 74 - Dominic Monaghan, Ethan Bortnick, Sheryl Crow

Episode 75 - America Ferrera, Bob Saget, The Blind Boys of Alabama

Episode 76 - Bill Cosby, Novak Djokovic, Landon Pigg

Episode 77 - Howie Mandel, Minnie Driver

Episode 78 - Gordon Ramsay

Episode 79 - Kate Beckinsale, Carlos Mencia, The Bravery

Episode 80 - Terry Bradshaw, James Carville & Mary Matalin, Michael McDonald

Episode 81 - Ryan Phillippe, Lisa Lampanelli, Jim Lauderdale

Episode 82 - John Edwards, Leslie Mann, Nada Surf

Episode 83 - Adam Carolla, Geraldo Rivera, The Black Crowes

Episode 84 - Peter O'Toole, Katt Williams, Leona Lewis

Episode 85 - Abigail Breslin, Seth Meyers, Steve Earle

Episode 86 - John Krasinski, Joe Torre, José González

Episode 87 - Conan O'Brien, Anderson Cooper, Allison Moorer

Episode 88 - John Larroquette, Kid Inventors, k.d. lang

Episode 89 - Jodie Foster, Cedric the Entertainer, Lili Haydn

Episode 90 - Mike Huckabee; Emeril Lagasse; Chingy

Republican Presidential Candidate Mike Huckabee; Chef Emeril Lagasse; Chingy performs; JibJab Cartoon and Tonight Show Free For All.

Episode 91 - Steve Carell, Kathie Lee Gifford, Ani DiFranco

Episode 92 - Sen. Hillary Clinton, Patton Oswalt, Ferras

Episode 93 - David Spade, Nora Hardwick, Ben Lee

Episode 94 - Pamela Anderson; Mary J. Blige

Pamela Anderson; Mary J. Blige performs from the CD "Growing Pains."

Episode 95 - Jules Sylvester; Maria Bartiromo; Finger Eleven

Jules Sylvester and reptiles; Maria Bartiromo; Finger Eleven performs from the CD "Them VS. You VS. Me."

Episode 96 - Jimmy Kimme; Elon Gold; OneRepublic

From "jimmy kimme live!," Jimmy Kimme; Stand-up comedian, Elon Gold; the music of OneRepublic ("Dreaming Out Loud"); A Priest, A Rabbi, and a Minister Tell Jokes.

Episode 97 - Keanu Reeves, Chelsea Handler, The Redwalls

Episode 98 - William Shatner, Tricia Helfer, Ryan Bingham

Episode 99 - Mark Harmon, Corbin Maxey, Ray J

Episode 100 - Brad Garret; Ingrid Michaelson; John Melendez

Brad Garrett from "Til Death" and John Melendez from "One, Two, Many". The music of Ingrid Michaelson performing from the CD "Girls and Boys"

Episode 101 - Charles Barkley, The Young@Heart Chorus

Episode 102 - Ewan McGregor, John Cho & Kal Penn, Seether

Episode 103 - Tracey Ullman, Jason Taylor, Flogging Molly

Episode 104 - Dave Salmoni, Norm MacDonald, Ashlee Simpson

Episode 105 - Julia Louis-Dreyfus, Jason Segel, Goldfrapp

Episode 106 - Patrick Dempsey, Ed Begley Jr., Tegan and Sara

Episode 107 - Gov. Arnold Schwarzenegger, Marilu Henner, Old 97's

Episode 108 - Hugh Laurie, Doug Fine, Prince

Episode 109 - Helen Hunt, Gov. Bobby Jindal, Duffy

Episode 110 - Dr. Phil McGraw, the Lopez family, Natasha Bedingfield

Episode 111 - Cindy McCain, Ed Helms, Augustana

Episode 112 - Robin Williams, Terrence Howard, Serj Tankian

Episode 113 - Sally Field, Jesse Ventura, Sleepercar

Episode 114 - Robert Downey Jr., Carlos Mencia, Rascal Flatts

Episode 115 - Julie Scardina and animals, Christina Ricci, KT Tunstall

Episode 116 - Former President Jimmy Carter, Jon Favreau, P.O.D.

Episode 117 - Jenna Fischer, Robert Schimmel, Trace Adkins

Episode 118 - Harrison Ford, William Moseley, Carly Simon

Episode 119 - Jack Black, Clay Aiken

Episode 120 - Evangeline Lilly, Ben Barnes, Switchfoot

Episode 121 - Rainn Wilson, Howard Dean, Kate Nash

Episode 122 - Dana Delany, Adam Carolla, Dwight Yoakam

Episode 123 - Matthew Fox, Kathleen Edwards

Episode 124 - Simon Cowell, Rob Schneider, Josh Groban

Episode 125 - Sylvester Stallone, Irma & Ray Ziff, Jason Mraz

Episode 126 - Adam Sandler, Hilary Duff, Al Green

Episode 127 - Laura & Jenna Bush, David Cook, Tristan Prettyman

Episode 128 - Terry Bradshaw, Turkey Baster Virtuoso Ray Sanders, Colbie Caillat

Episode 129 - William Shatner, Chelsea Handler, Newton Faulkner

Episode 130 - Liv Tyler, Judd Apatow, Usher

Episode 131 - Jeff Foxworthy, Arianna Huffington, N.E.R.D.

Episode 132 - Dave salmoni; Patricia Arquette; Punch Brothers

Amazing animals with Dave salmoni! From "medium" Patricia Arquette! The music of Punch Brothers! " Jaywalking."

Episode 133 - Will Smith, Pete Sampras, Ed Harcourt

Episode 134 - Russel Brand, Bill Engvall, Aimee Mann

Episode 135 - Justin Timberlake, Karen Allen, Sheryl Crow

Episode 136 - Dana Carvey, Spencer Breslin, Priscilla Ahn

Episode 137 - Mike Myers, Abigail Breslin, David Cook

Episode 138 - Larry the Cable Guy, Bob Costas, Ashanti

Episode 139 - Anne Hathaway; Gabriel Iglesias; Amos Lee

Anne Hathaway "Get Smart" - Comedian Gabriel Iglesias; Amos Lee: Performance from the CD "Last Days at the Lodge"; Headlines.

Episode 140 - Ryan Phillippe; Lisa Lampanelli; Jim Lauderdale

Ryan Phillippe from "Stop-Loss", Lisa Lampanelli from "Drillbit Taylor" and music of Jim Lauderdale from the CD "Honey Songs".

Episode 141 - Dwayne "The Rock" Johnson, Tom Papa, Against Me!

Episode 142 - Wanda Sykes, James McAvoy, Duffy

Episode 143 - Bette Midler, Al Roker

Episode 144 - Selma Blair, Kevin Nealon, Steve Tyrell

Episode 145 - Aaron Eckhart, Dara Torres, Los Lonely Boys

Episode 146 - Animal Expert Jarod Miller, David Koechner, Sara Bareilles

Episode 147 - Conan O'Brien; Anderson Cooper; Allison Moorer

Conan O'Brien; Anderson Cooper; Allison Moorer: Performance from the CD "Mockingbird"; and Mo Rocca on spring break in Florida.

Episode 148 - John Larroquette; Kid Inventors; K.D. Lang

John Larroquette "Boston Legal"; Kid Inventors; K.D. Lang: Performance from the CD "Watershed"; "The 99 Cent Shopping Spree."

Episode 149 - Jodie Foster; Cedric the Entertainer; Lili Hayden

Jodie Foster, Cedric the Entertainer, the music of Lili Hayden and "headlines."

Episode 150 - David Beckham; Sherri Shepherd; B-52s

Soccer great, David Beckham, from "the view," Sherri Shepherd, the music of the B-52s. And "famous ad slogans and their first drafts."

Episode 151 - Steve Carell; Kathie Lee Gifford; Ani LiFranco

Steve Carell; from the "Today" Show, Kathie Lee Gifford. The music of Ani LiFranco. And "Photo Booth."

Episode 152 - Hillary Clinton; Patto Oswalt; Ferras

Senator Hillary Clinton, comedian Patto Oswalt; the Music of Ferras, and "jaywalking."

Episode 153 - David Spade; Nora Hardwick; Ben Lee

David Spade "Rules of Engagement"; 102-year-old Nora Hardwick, Britain's oldest driver; Ben Lee performs from the CD " Ripe."

Episode 154 - Thomas Haden Church; Sig & Edgar Hansen; Jimmy Eat World

Thomas Haden Church from "Smart People", Sig & Edgar Hansen from "The Deadliest Catch". The music of Jimmy Eat World from the CD "Chase This Light".

Episode 155 - Dennis Quaid; Russell Brand; Brett Dennen

Dennis Quaid from "Smart People", Russell Brand from "Forgetting Sarah Marshall". The music of Brett Dennen performing "Ain't No Reason" from the CD "More So Much More".

Episode 156 - Ellen Page; Donny & Marie Osmond; Angie Stone

Ellen Page from "Smart People", Donny & Marie Osmond from the "Miss USA Pageant". The music of Angie Stone performing from the CD "The Art of Love and War".

Episode 157 - Keanu Reeves; Chelsea Handler; The Redwalls

Keanu Reeves from the movie "Street Kings", Chelsea Handler, the music of The Redwalls performing from the CD "The Redwalls".

Episode 158 - William Shatner; Tricia Helfer; Ryan Bingham

William Shatner from "Boston Legal", Tricia Helfer from "Battlestar Galactica". The music of Ryan Bingham performing from the CD "Mescalito".

Episode 159 - Mark Harmon; Corbin Maxey; Ray J

Mark Harmon from "NCIS" and 18-year-old reptile expert Corbin Maxey. The music of Ray J performing from the CD "All I Feel".

Episode 160 - Brad Garrett; John Melendez; Ingrid Michaelson

Brad Garrett from "Til Death" and John Melendez from "One, Two, Many". The music of Ingrid Michaelson performing from the CD "Girls and Boys"

Episode 161 - Charles Barkley; Young @ Heart Chorus

Charles Barkley and 3 Senior Rock Stars from "Young @ Heart Chorus". The music of Young @ Heart Chorus.

Episode 162 - Rosie Perez, Robin Thicke

Episode 163 - Bill Cosby, Emma Stone, John Mellencamp with T Bone Burnett

Episode 164 - Ben Stiller, Jonas Brothers

Episode 165 - Robert Downey Jr., Anna Faris, Toby Keith

Episode 166 - Jack Black, Pillsbury Bake-Off-Champ Carolyn Gurtz, Conor Oberst

Episode 167 - Nick Nolte, Carrot Top, Solomon Burke

Episode 168 - Hugh Laurie; Doug Fine; Prince

Hugh Laurie "House"; Doug Fine "Environmental Author"; Prince: Performance from the CD "Planet Earth"; Jaywalking.

Episode 169 - Sen. John McCain, Dara Torres, Juliana Hatfield

Episode 170 - Norm MacDonald, Nastia Liukin, B.B. King

Episode 171 - Bill Maher, Henry Cejudo, Low vs Diamond

Episode 172 - Gordon Ramsay, Natalie Coughlin, Missy Higgins

Episode 173 - Arsenio Hall, Shawn Johnson, Chuck Berry

Episode 174 - Russell Brand, Eva Longoria Parker, Ingrid Michaelson

Episode 175 - Billy Bob Thornton, Ethan Bortnick, Brian Wilson

Episode 176 - Howie Mandel, Sanya Richards, The Game

Episode 177 - Jenna Fischer; Robert Schimmel; Trace Adkins

Jenna Fischer "The Office"; Comedian Robert Schimmel; Trace Adkins: Performing "You're Gonna Miss This" from the CD "American Man".

Episode 178 - Harrison Ford; William Moseley; Carly Simon

Harrison Ford "Indiana Jones"; William Moseley "The Chronicles of Narnia Prince Caspian"; Carly Simon: Performing "Hold Out Your Heart" from the CD "This Kind of Love"; The Audience Wants to Know.

Episode 179 - Jules Sylvester, Annette Bening, Leona Lewis

Episode 180 - Matthew McConaughey, T. Boone Pickens, Al Green

Episode 181 - Jamie Lee Curtis, Jerome Bettis, Alejandro Escovedo

Episode 182 - Hugh Laurie, Dame Edna, Raphael Saadiq

Episode 183 - Matthew Fox; Kathleen Edwards

Matthew Fox "Speed Racer"; Kathleen Edwards: Performance from the CD "Asking for Flowers"

Episode 184 - Simon Cowell; Rob Schneider; Josh Groban

Simon Cowell "American Idol"; Rob Schneider "You Don't Mess with the Zohan"; Josh Groban: Performance from the "Awake Live CD/DVD"; Headlines

Episode 185 - Sylvester Stallone; Irma & Ray Ziff; Jason Mraz

Sylvester Stallone "Rambo"; Couple married 75 yrs. Irma & Ray Ziff; Jason Mraz: Performance from the CD "We Sing, We Dance, We Steal Things"; Does this Impress Ed Asner?

Episode 186 - Adam Sandler; Hillary Duff; Al Green

Adam Sandler "You Don't Mess with the Zohan"; Hillary Duff "War, Inc."; Al Green: Performance from the CD "Lay It Down"; Summer Movie Knockoffs.

Episode 187 - Laura & Jenna Bush; David Cook; Tristan Prettyman

Laura & Jenna Bush; American Idol winner David Cook; Tristan Prettyman: Performance from the CD "Hello"; Brian Herzlinger Talks to Third Graders who Want to become a President.

Episode 188 - Terry Bradshaw; Ray Sanders; Colbie Caillat

Terry Bradshaw; Turkey baster virtuoso Ray Sanders; Colbie Caillat: Performance from the CD "Little Things;" Amaon.com's Worst Sellers.

Episode 194 - Ellen Degeneres; Jerry O'Connell; Jazmine Sullivan