Season 4 (2007)
Episodes
- 1. Frank Caliendo / Sherman Alexie / Clay Walker
- 2. Gavin de Becker / Dwight Yoakam
- 3. Julie Chen / Dario Franchitti / Matt Baetz
- 4. Jason Alexander / Barbara Morgan / Scott Kelly / Wendy Kamenoff
- 5. Eric Idle / Les Stroud / Finger Eleven
- 6. Alan Alda / Alex O'Loughlin
- 7. Jeff Goldblum / Paul Haggis / Mandy Moore
- 8. Phil McGraw / Kaley Cuoco / Bob Dubac
- 9. James Woods / Ben Lee
- 10. Terrence Howard / Jennifer Westfeldt / Zap Mama
- 11. 50 Cent / Emily Deschanel
- 12. D.L. Hughley / Kaitlin Olson / Hannibal Buress
- 13. Marg Helgenberger / Seth MacFarlane / The National
- 14. Jennifer Love Hewitt / Oliver Hudson / Cary Brothers
- 15. Greg Kinnear / Paul Morrissey / Raul Midon
- 16. Juliette Lewis / David Boreanaz
- 17. Chi McBride / Teri Polo / Steve Bertrand
- 18. Kevin Smith / Tasha Smith / J.L. Cauvin
- 19. Anjelica Huston / Pat Monahan / Cathy Ladman
- 20. Josh Duhamel / Radha Mitchell / Diana Krall
- 21. Jimmy Smits / Michelle Monaghan / Shout Out Louds
- 22. Tim Daly / Nia Long / Ron Pearson
- 23. Fred Willard / Saffron Burrows / Modest Mouse
- 24. Tom Arnold / Tori Amos
- 25. Kevin Robbins
- 26. Michael Caine / Lizzy Cooperman
- 27. Vicente Fox / Leslie Bibb / Ron Pearson
- 28. Ian McKellen / Jena Malone / Avril Lavigne
- 29. John Larroquette / They Might Be Giants
- 30. Kenneth Branagh / Todd Sawyer
- 31. Kristin Chenoweth / Clive Barker / James Jonah
- 32. Steve Carell / Good Charlotte
- 33. John Lydon / Steve Jones / Joe Theisman / The Sex Pistols
- 34. Anthony Hopkins / Yvonne Strahovski
- 35. Seth Green / Dwight Yoakam
- 36. Dominic Monaghan / Jason Randal
- 37. Leonard Nimoy / Lyle Lovett
- 38. RZA / Greg Proops
- 39. Marion Cotillard / Kevin Fitzgerald / Rogue Wave
- 40. Emile Hirsch / Wolfgang Puck
- 41. Val Kilmer / Michael Gates Gill / Ian Hunter
- 42. Alec Baldwin / Lena Headey / Spoon
- 43. Ben Kingsley / Laura Prepon / Lupe Fiasco
- 44. Drew Carey / Seth Gabel / Kate Nash
- 45. James McAvoy / Jon Cryer / Blake Lewis
- 46. Trace Adkins / Julie Benz
- 47. Ted Danson / Ali Wentworth / Dean Edwards
- 48. Sylvester Stallone / Steve Wiebe / Ayo
- 49. Tony Shalhoub / Becki Newton / Ryan Sickler
- 50. Carmen Electra / Justin Bartha / Margaret Cho
- 51. Ringo Starr
- 52. Diane Lane / James Johan
- 53. Denis Leary / Bonnie Somerville / Deana Carter
- 54. Raquel Welch / Antonio Gates / Lyle Lovett
- 55. Jessica Alba / Adam Arkin / Ryan Sickler
- 56. Julia Louis-Dreyfus / Lindsay Sloane / Sebastian Maniscalco
- 57. Eva Longoria Parker / Allen Covert / Al Madrigal
- 58. Kristen Bell / Wicked Tinkers
- 59. Amy Ryan / Terry Crews / Sebastian Maniscalco
- 60. Bradley Whitford / Lake Bell / Cynthia Littleton
- 61. Jon Favreau / Alicia Coppola / Shelby Lynne
- 62. Jessica Alba / Dierks Bentley / Mo'Nique
- 63. Julie Chen / Natasha Bedingfield
- 64. Susan Sarandon / Bonnie Somerville
- 65. Michael Clarke Duncan / Angela Kinsey
- 66. Evangeline Lilly / Adam Goldberg / Bebel Gilberto
- 67. Jeffrey Tambor / Ivana Miličević / Bobby Miyamoto
- 68. Alice Cooper / Angela Kinsey / Wyclef Jean
- 69. Andre Benjamin / Craig Bierko / Melinda Hill
- 70. Tom Selleck / Dario Franchitti / Ziggy Marley
- 71. Don Rickles / Joe Mantegna
- 72. Fred Willard / Rachel Bilson
- 73. Jennifer Beals / Carrie Ann Inaba / Little Big Town
- 74. Regis Philbin / Alice Smith
- 75. Eric Bana / Patricia Clarkson / Barry Manilow
- 76. Natasha Henstridge / Carl Bernstein / Steve Mazan
- 77. Dweezil Zappa / Jason Randal / Coolio
- 78. Brooke Shields / Ming Tsai / Michelle Biloon
- 79. Christina Ricci / Dee Dee Myers / Collective Soul
- 80. Dennis Hopper / Yunjin Kim / Nicole Atkins
- 81. Wanda Sykes / Saffron Burrows / Grizzly Bear
- 82. Amy Sedaris / Shanna Moakler / Blake Shelton
- 83. Ray Romano / Kate Flannery / Jeff Caldwell
- 84. Kate Beckinsale / Ken Tucker
- 85. Parker Posey / Graham Colton
- 86. Laurence Fishburne / Rashida Jones / Joe Devito
- 87. Thandie Newton / Dom Irrera / Bell X1
- 88. Pamela Anderson / Christian Siriano / Judith Smith-Levin
- 89. Aisha Tyler / Richard Branson
- 90. Forest Whitaker / Jean-Michel Cousteau / Your Lips Your Lips
- 91. Marg Helgenberger / Kylie Minogue
- 92. Jennifer Love Hewitt / Jonny Lee Miller
- 93. Jena Malone / Mrs. Hughes
- 94. Bob Saget / Jennifer Esposito
- 95. Anne Heche / Deion Sanders / Clinton Jackson
- 96. Roseanne Barr / Kaley Cuoco / Counting Crows
- 97. Alyson Hannigan / Todd Allen
- 98. Christina Applegate / Brittany Snow / Gene Pompa
- 99. John Waters / Daniel Lanois
- 100. Julie Andrews / David Krumholtz
- 101. Jackie Chan / Cobie Smulders / Bell X1
- 102. Alyssa Milano / Henry Winkler / Jason Aldean
- 103. Kristen Bell / Oliver Hudson
- 104. Ben Stein / Alicia Witt / Andrew Norelli
- 105. Jason Segel / Connie Schultz
- 106. Ewan McGregor / Morrissey
- 107. Kathy Griffin / Scott Kennedy / Morrissey
- 108. Jeff Bridges / Sophia Myles / Grand Archives
- 109. Helen Hunt / Sarah Chalke / She & Him
- 110. Lake Bell / Kal Penn
- 111. Hugh Laurie / Michael Starr
- 112. John Goodman / Jason Aldean
- 113. Felicity Huffman / Mike Doughty
- 114. Emily Deschanel / Melvin Lardy
- 115. Rachel Griffiths / Christopher Gorham
- 116. John Stamos / Judith Smith-Levin / Jaymay
- 117. John Cusack / Paraminder Nagra
- 118. Tony Danza / Maura Tierney
- 119. David Boreanaz / Carrot Top
- 120. Reba McEntire / Vinnie Jones
- 121. Paulina Porizkova / Matt Costa
- 122. Clay Aiken / Chelsea Handler
- 123. Laura Dern / k.d. lang
- 124. Steven Wright / Carson Kressley
- 125. Julia Louis-Dreyfus
- 126. Kristin Davis / Joel McHale / Drake Witham
- 127. Jane Kaczmarek / Greg Proops
- 128. Jeff Foxworthy / Poppy Montgomery
- 129. Chelsea Handler / Emmanuelle Chriqui
- 130. Evan Handler / Betty White / MGMT
- 131. Rachel Dratch / Carl Reiner / Augustana
- 132. Stockard Channing / Bill Engvall
- 133. Jenna Fischer / Wolfgang Puck
- 134. Elizabeth Perkins / Coolio
- 135. Alfred Molina / Salman Rushdie
- 136. John Hiatt / Virginia Madsen / Darin Strauss
- 137. Don Cheadle / Olivia Thirlby
- 138. Lewis Black / Billy Bob Thornton / The Boxmasters
- 139. Jeffrey Tambor / The Fratellis
- 140. David Hasselhoff / Miriam Shor / Amos Lee
- 141. Lawrence Block / Chris O'Donnell / Phantom Planet
- 142. Stanley Bing / Sigourney Weaver / Three 6 Mafia
- 143. James McAvoy / Bengt Washburn
- 144. Holly Hunter
- 145. Tricia Helfer / Steven Wright
- 146. Tyler Matthew Davis / Richard Lewis / Duffy
- 147. Chris Isaak / Debbie Reynolds
- 148. Julie Andrews / Raymond Crowe
- 149. Ben Kingsley / Popovich Comedy Pet Theater
- 150. Ron Perlman / Rita Rudner
- 151. Criss Angel / Mary Steenburgen
- 152. Jarod Miller / Aisha Tyler / Keaton Simons
- 153. Julie Chen / Adam Scott / Ricky Skaggs
- 154. Val Kilmer / Les Stroud / Curt Smith
- 155. Lance Morrow / Amanda Peet
- 156. Xzibit / Griffin House
- 157. Eric Idle / Nancy Travis
- 158. Belinda Carlisle / Jet Li
- 159. Tom Sullivan / Michelle Yeoh / Jakob Dylan
- 160. Jean-Michel Cousteau / Will Ferrell
- 161. Rainn Wilson / Cory Kahaney / The Hold Steady
- 162. Cheryl Hines / Harry Shearer
- 163. Regis Philbin / Paula Patton
- 164. Eddie Izzard / Julie Chen / Jamie Lidell
- 165. Jack Black / Kate Mara / Conor Oberst
- 166. Toby Keith
- 167. Robert Downey Jr. / Amy Smart
- 168. Kate Mara / Kiefer Sutherland
- 169. Julie Chen / Craig Robinson
- 170. Ben Kingsley / Idina Menzel
- 171. Radha Mitchell / Aaron Karo