Acclaimed actress Rachel McAdams and actor Johnny Galecki make special appearances in the next episode, alongside a musical performance by talented singer-songwriter Allison Iraheta.
1. Kathy Griffin, Sally Hawkins, Mike Birbiglia
Aired: Jan 6, 20092. Ron Howard, Jeffrey Dean Morgan, Gabe Dixon Band
Aired: Jan 7, 20093. Anne Hathaway, Jensen Ackles, Lenka
Aired: Jan 8, 20094. Michael Imperioli, Jason Mesnick, Zac Brown Band
Aired: Jan 9, 20095. Kiefer Sutherland, Malcolm Gladwell, David Cook
Aired: Jan 13, 20096. Mickey Rourke, Rowdy Roddy Piper, Michael Strahan, Morgan Murphy
Aired: Jan 14, 20097. Dustin Hoffman, jet pack pilot Eric Scott, Crooked X
Aired: Jan 15, 20098. Kevin James, Evan Rachel Wood, Delta Spirit
Aired: Jan 16, 20099. Sarah Silverman, Soulja Boy Tellem
Aired: Jan 20, 200910. Randy Jackson, Diablo Cody, Thriving Ivory
Aired: Jan 21, 200911. Brendan Fraser, Jonathan Goodwin, Blake Shelton
Aired: Jan 22, 2009Aired: Jan 23, 200913. Miranda Cosgrove, Eric McCormack, Boz Scaggs, Dov Davidoff
Aired: Jan 27, 200914. Adam Carolla, Brody Jenner, Disturbed
Aired: Jan 28, 200915. Andy Garcia, macaroni and cheese box collector Ian Golder, Kraak and Smaak
Aired: Jan 29, 200916. Kristen Bell, Carlos Bernard, Benji Hughes
Aired: Jan 30, 200917. John Cleese, Chris Ayres, the Bird and the Bee
Aired: Feb 3, 200918. Justin Long, Camilla Belle, Nick Kroll
Aired: Feb 4, 200919. Vanessa Minnillo, Morrissey
Aired: Feb 5, 200920. Teri Hatcher, Larry Wilmore, Jazmine Sullivan
Aired: Feb 6, 200921. Amy Brenneman, Steve-O, the Little Ones
Aired: Feb 10, 200922. Andy Dick, Grant Show, the Red Jumpsuit Apparatus
Aired: Feb 11, 200923. Demetri Martin, Marisa Tomei, Mishka, a special appearance by Matthew McConaughey
Aired: Feb 12, 200924. Johnny Knoxville, Trisha Helfer, Mark Seliger
Aired: Feb 13, 200925. Tyler Perry, Blues Traveler
Aired: Feb 17, 200926. Naomi Watts, Whitney Port, K'Naan
Aired: Feb 18, 200927. Rosie Perez, Danny McBride, Anya Marina
Aired: Feb 19, 200928. Dev Patel, Robin Roberts, Kinky
Aired: Feb 20, 200929. The Jonas Brothers, Jimmie Johnson, Darius Rucker
Aired: Feb 23, 2009Aired: Feb 24, 200931. Rob Lowe, Khloe Kardashian, Living Things
Aired: Feb 25, 200932. Calista Flockhart, John Michael Higgins, Nick DiPaolo
Aired: Feb 26, 200933. Evangeline Lilly, Jason Mesnick, New Kids on the Block
Aired: Mar 2, 200934. Charles Gibson, Lil' Wayne, Robyn
Aired: Mar 3, 200935. Bonnie Hunt, Nathan Fillion, Oren Lavie
Aired: Mar 4, 200936. Kate Walsh, Carla Gugino, Raphael Saadiq
Aired: Mar 5, 200937. Heidi Klum, Bryan Cranston, Chris Cornell
Aired: Mar 10, 200938. Jaime Pressly, animal trainer Kirstin McMillan, the Pretenders
Aired: Mar 11, 200939. David Hasselhoff, Eliza Dushku, Pendulum
Aired: Mar 12, 200940. Kristin Stewart, Dwayne Johnson, the Dream
Aired: Mar 13, 2009Aired: Mar 17, 200942. Andy Samberg, Ashley Scott, MSTRKRFT
Aired: Mar 18, 200943. John Cena, Christopher Mintz-Plasse, the Duke Spirit
Aired: Mar 19, 200944. Portia de Rossi, Melissa Rycroft, Motley Crue
Aired: Mar 20, 2009Aired: Mar 24, 200946. John Stamos, Dr. Drew Pinsky, Blue October
Aired: Mar 25, 200947. Ozzy, Sharon, Jack and Kelly Osbourne, Bobby Cannavale, Todd Glass
Aired: Mar 26, 200948. Paul Giamatti, Jim Gaffigan, Keri Hilson featuring Lil Wayne
Aired: Mar 27, 2009Aired: Mar 31, 200950. Amy Poehler, Jordana Brewster, Les Claypool
Aired: Apr 1, 200951. Vin Diesel, Anna Faris, Eli Young Band
Aired: Apr 2, 2009Aired: Apr 3, 200953. Jorge Garcia, David Alan Grier, "Dancing with the Stars" castoff Steve-O, Mims
Aired: Apr 14, 200954. Christina Applegate, Mike Tyson, Dana Gould
Aired: Apr 15, 200955. Zac Efron, Patti Stanger, Franz Ferdinand
Aired: Apr 16, 200956. Six-year-old genius Pranav Veera, Pete Yorn
Aired: Apr 17, 200957. Billy Bob Thornton, "Dancing with the Stars" castoff Lawrence Taylor
Aired: Apr 21, 200958. Justin Timberlake, Eliza Coupe, the Whip
Aired: Apr 22, 200959. Channing Tatum, Elisha Cuthbert, Depeche Mode
Aired: Apr 23, 200960. Jamie Foxx, Elizabeth Mitchell
Aired: Apr 24, 200961. Michael J. Fox, "Dancing With the Stars" castoff Chuck Wicks, Asher Roth
Aired: Apr 28, 200962. Dominic Monaghan, J.J. Abrams, Bang Camaro
Aired: Apr 29, 200963. Brooke Shields, Balthazar Getty, Kumail Nanjiani
Aired: Apr 30, 200964. Matthew McConaughey, Kara DioGuardi, Jason Aldean
Aired: May 1, 2009Aired: May 5, 200966. David Spade, Zoe Saldana, Black Eyed Peas
Aired: May 6, 200967. Hugh Jackman, John Cho, Flo Rida
Aired: May 7, 200968. Chris Pine, Aziz Ansari, Scott Weiland
Aired: May 8, 200969. Paula Abdul, "Dancing With the Stars" castoff Ty Murray, Todd Glass
Aired: May 12, 200970. Matthew Fox, Benjamin McKenzie, Ciara
Aired: May 13, 200971. Adrien Brody, Steve "Lips" Kudlow and Robb Reiner, the Airborne Toxic Event
Aired: May 14, 2009Aired: May 15, 200973. Ben Stiller, Shawn Johnson and Mark Ballas, No Doubt
Aired: May 20, 200974. Tim Daly, Common, Busta Rhymes
Aired: May 21, 200975. Hank Azaria, Anton Yelchin, Eminem
Aired: May 22, 200976. Danny McBride, Nia Vardalos, Taking Back Sunday
Aired: Jun 2, 200977. Heather Graham, Lance Krall, Katie Melua
Aired: Jun 3, 200978. Thomas Haden Church, Ed Helms, 311
Aired: Jun 4, 200979. Paris Hilton, Ken Jeong, Blink 182
Aired: Jun 9, 200980. Artie Lange, Adam Perry Lang, No Doubt
Aired: Jun 11, 200981. Ty Pennington, David Sedaris, the Jonas Brothers
Aired: Jun 16, 200982. Roseanne Barr, Ryan Kwanten
Aired: Jun 17, 200983. Kathy Griffin, Ramon Rodriguez, Ben Harper
Aired: Jun 18, 2009Aired: Jun 19, 200985. David Arquette, Jill Wagner, Linkin Park
Aired: Jun 23, 200986. Josh Duhamel, Tracy Hutson, Bat For Lashes
Aired: Jun 24, 200987. Shia LaBeouf, June Diane Raphael, Eric Hutchinson
Aired: Jun 25, 200988. Megan Fox, David Cross, Phoenix
Aired: Jun 26, 200989. Samuel L. Jackson, Jamie-Lynn Sigler, Sean Patrick McGraw
Aired: Jul 14, 200990. Larry King, Marissa Miller, Chester French
Aired: Jul 15, 200991. Josh Lucas, Terrell Owens, Pitbull
Aired: Jul 16, 200992. Teri Hatcher, Danica Patrick, Daughtry
Aired: Jul 17, 200993. Seth Green, "Bachelorette" Jillian Harris, Zac Sunderland
Aired: Jul 21, 200994. Zooey Deschanel, Rev. Al Sharpton, Jewel
Aired: Jul 22, 200995. Katherine Heigl, David and Shaun Cassidy, La Roux
Aired: Jul 23, 200996. Tom Arnold, "Trailer Park Boys" Rob Wells, John Paul Tremblay and Mike Smith
Aired: Jul 24, 200997. Leslie Mann, Eric Winter, Parachute
Aired: Jul 28, 200998. Jonah Hill, Mary McCormack, Ryan Sheckler
Aired: Jul 29, 200999. Seth Rogen, Melissa Sagemiller, Jack's Mannequin
Aired: Jul 30, 2009100. Anne Heche, Aubrey Plaza, Diane Birch
Aired: Jul 31, 2009101. Ashton Kutcher, Nigel Lythgoe, the Script
Aired: Aug 4, 2009102. Vanessa Hudgens, Eli Roth, Miike Snow
Aired: Aug 5, 2009103. Sienna Miller, Dave Salmoni, Doug Benson
Aired: Aug 6, 2009104. Quentin Tarantino, Rachel Nichols, pizza throwers Chris Green, Sam Niemeier, and Ryan Larose
Aired: Aug 7, 2009105. Gordon Ramsay, Rob Zombie, Friendly Fires
Aired: Aug 25, 2009106. Robin Williams, Bobcat Goldthwait, Matt & Kim
Aired: Aug 26, 2009107. Shaquille O'Neal, Selena Gomez, Darius Rucker
Aired: Aug 27, 2009108. Dylan McDermott, B.J. Novak, the Dead Weather
Aired: Aug 28, 2009109. Kyra Sedgwick, Patton Oswalt, DataRock
Aired: Sep 1, 2009110. Emile Hirsch, Amber Valletta, St. Vincent
Aired: Sep 2, 2009111. Kathie Lee Gifford, Milo Ventimiglia, R. Kelly
Aired: Sep 3, 2009112. Gerard Butler, Nate Berkus, Maxwell
Aired: Sep 4, 2009113. Jennifer Connelly, Jeff Ross, Boys Like Girls
Aired: Sep 8, 2009
114. Kathy Griffin, Ryan Kwanten, Brendan Benson
Aired: Sep 9, 2009115. Nick Cannon, Former Gov. Rod Blagojevich, White Lies
Aired: Sep 10, 2009116. Julie Bowen, Rumer Willis, the Used
Aired: Sep 11, 2009117. Eva Longoria Parker, Kelly Clarkson, a special appearance by Matt Damon and Joel McHale
Aired: Sep 15, 2009118. David Alan Grier, 10-year-old vacuum cleaner expert Gregory Evans, Pink
Aired: Sep 16, 2009119. Jenna Elfman, Danny Pudi, Lives of Famous Men, a special appearance by Rachael Ray
Aired: Sep 17, 2009120. Christian Slater, Ed O'Neill, Sofia Vergara, Shakira
Aired: Sep 18, 2009121. David Duchovny, Carmelo Anthony, Kid Cudi
Aired: Sep 22, 2009122. Courteney Cox, Jessica Capshaw, "Dancing with The Stars" castoff Ashley Hamilton
Aired: Sep 23, 2009Aired: Sep 24, 2009124. LeBron James & his high school basketball teammates, Esther Dean, Chris Bianco
Aired: Sep 25, 2009125. Ricky Gervais, "Dancing with the Stars" castoff Kathy Ireland, Alice in Chains
Aired: Sep 29, 2009126. Rebecca Romijn, Joseph Fiennes, Alice in Chains
Aired: Sep 30, 2009127. Hayden Panettiere, Matthew Rhys, Joss Stone
Aired: Oct 1, 2009128. Woody Harrelson, Whitney Port, Shinedown
Aired: Oct 2, 2009129. Patricia Heaton, Debi Mazar, Tom DeLay, Gossip
Aired: Oct 6, 2009130. Joel McHale, Richard Belzer, KISS
Aired: Oct 7, 2009131. Kelsey Grammer, Stana Katic, Motorhead
Aired: Oct 8, 2009132. Michael Moore, Malin Ackerman, the Backstreet Boys
Aired: Oct 9, 2009133. Jack Black, “Dancing with the Stars” castoff Chuck Liddell, Cobra Starship
Aired: Oct 13, 2009Aired: Oct 14, 2009135. Taye Diggs, Kristin Cavallari, Harper Simon
Aired: Oct 15, 2009136. Serena Williams, Dr. Drew Pinsky, Eric Church
Aired: Oct 16, 2009137. Edward Norton, Paul Shaffer, the latest "Dancing with the Stars" castoff, the Sounds
Aired: Oct 20, 2009138. Salma Hayek, Rico Rodriguez, Dead by Sunrise
Aired: Oct 21, 2009Aired: Oct 22, 2009140. Terry Bradshaw, Catherine Keener, Echo & the Bunnymen
Aired: Oct 23, 2009141. Dr. Mehmet Oz, “Dancing with the Stars” castoffs Melissa Joan Hart & Louie Vito, Morningwood
Aired: Oct 27, 2009142. James Marsden, Atticus Shaffer, Flyleaf
Aired: Oct 28, 2009143. Jason Schwartzman, Rod Stewart
Aired: Oct 29, 2009Aired: Oct 30, 2009Aired: Nov 3, 2009146. Joshua Jackson, Big Bird, Ghostface Killah featuring Raheem DeVaughn
Aired: Nov 4, 2009147. Jesse Williams, Florence + the Machine
Aired: Nov 5, 2009148. Ted Danson, Khloe Kardashian, Lamar Odom, Chickenfoot
Aired: Nov 6, 2009149. Chris O'Donnell, Bill Simmons, “Dancing with the Stars” castoff Aaron Carter, Amerie
Aired: Nov 10, 2009150. Dominic Monaghan, Holly Hibner & Mary Kelly, Los Lonely Boys
Aired: Nov 11, 2009151. Danny DeVito, Streeter Seidell & Amir Blumenfeld, Switchfoot
Aired: Nov 12, 2009152. Sean “Diddy” Combs, Super Dave Osborne, Huey Lewis & the News
Aired: Nov 13, 2009153. John Stamos, Emily VanCamp, the latest "Dancing with the Stars" castoff, OneRepublic
Aired: Nov 17, 2009John Stamos and Emily VanCamp team up to conquer a heart-pumping challenge, a...
Aired: Nov 18, 2009155. Carrie Underwood, Heidi Montag & Spencer Pratt
Aired: Nov 19, 2009156. Robert Pattinson, Kristen Stewart, Taylor Lautner, Death Cab for Cutie
Aired: Nov 20, 2009The next episode of the popular vampire drama series will showcase the iconic...
157. Heidi Klum, Ron Artest, Weezer
Aired: Nov 23, 2009158. Charlize Theron, Regis Philbin, "Dancing with the Stars" winner Donny Osmond, Wolfmother
Aired: Nov 24, 2009159. Charles Barkley, Peter Facinelli, Leona Lewis
Aired: Nov 25, 2009160. Magic Johnson, Kellan Lutz, Trey Songz
Aired: Dec 1, 2009161. Matt Dillon, Nikki Reed, Birdman featuring Jay Sean
Aired: Dec 2, 2009162. Jake Gyllenhaal, Ashley Greene, Honor Society
Aired: Dec 3, 2009163. Don Rickles, Anika Noni Rose, Band of Skulls
Aired: Dec 4, 2009164. Pee-wee Herman, Jackie, Tito & Marlon Jackson, Passion Pit
Aired: Dec 8, 2009165. William Shatner, animal trainer Kristin McMillan, Jay Sean
Aired: Dec 9, 2009166. Steven Seagal, Eddie Pepitone
Aired: Dec 10, 2009167. Ray Romano, Kim Kardashian, the Mighty Mighty Bosstones
Aired: Dec 11, 2009168. Zach Braff, Nigel Lythgoe, Michael McDonald
Aired: Dec 15, 2009169. Ty Pennington, 8-year-old Chicken Whisperer Joshua McCarthy, Norah Jones
Aired: Dec 16, 2009170. Rachel McAdams, Johnny Galecki, Allison Iraheta
Aired: Dec 17, 2009Acclaimed actress Rachel McAdams and actor Johnny Galecki make special appear...
171. John Krasinski, James Cameron, Mary J. Blige
Aired: Dec 18, 2009Appearances
