EP171 - John Krasinski, James Cameron, Mary J. Blige
 EP170 - Rachel McAdams, Johnny Galecki, Allison Iraheta
 EP169 - Ty Pennington, 8-year-old Chicken Whisperer Joshua McCarthy, Norah Jones
 EP168 - Zach Braff, Nigel Lythgoe, Michael McDonald
 EP167 - Ray Romano, Kim Kardashian, the Mighty Mighty Bosstones
 EP166 - Steven Seagal, Eddie Pepitone
 EP165 - William Shatner, animal trainer Kristin McMillan, Jay Sean
 EP164 - Pee-wee Herman, Jackie, Tito & Marlon Jackson, Passion Pit
 EP163 - Don Rickles, Anika Noni Rose, Band of Skulls
 EP162 - Jake Gyllenhaal, Ashley Greene, Honor Society
 EP161 - Matt Dillon, Nikki Reed, Birdman featuring Jay Sean
 EP160 - Magic Johnson, Kellan Lutz, Trey Songz
 EP159 - Charles Barkley, Peter Facinelli, Leona Lewis
 EP158 - Charlize Theron, Regis Philbin, "Dancing with the Stars" winner Donny Osmond, Wolfmother
 EP157 - Heidi Klum, Ron Artest, Weezer
 EP156 - Robert Pattinson, Kristen Stewart, Taylor Lautner, Death Cab for Cutie
 EP155 - Carrie Underwood, Heidi Montag & Spencer Pratt
 EP154 - 50 Cent, Marv Albert
 EP153 - John Stamos, Emily VanCamp, the latest "Dancing with the Stars" castoff, OneRepublic
 EP152 - Sean “Diddy” Combs, Super Dave Osborne, Huey Lewis & the News
 EP151 - Danny DeVito, Streeter Seidell & Amir Blumenfeld, Switchfoot
 EP150 - Dominic Monaghan, Holly Hibner & Mary Kelly, Los Lonely Boys
 EP149 - Chris O'Donnell, Bill Simmons, “Dancing with the Stars” castoff Aaron Carter, Amerie
 EP148 - Ted Danson, Khloe Kardashian, Lamar Odom, Chickenfoot
 EP147 - Jesse Williams, Florence + the Machine
 EP146 - Joshua Jackson, Big Bird, Ghostface Killah featuring Raheem DeVaughn
 EP145 - Pamela Anderson, “Dancing with the Stars” castoffs Mark Dacascos & Michael Irvin, Manny “Pac-Man” Pacquiao, White Rabbits
 EP144 - Paris Hilton, Slipknot
 EP143 - Jason Schwartzman, Rod Stewart
 EP142 - James Marsden, Atticus Shaffer, Flyleaf
 EP141 - Dr. Mehmet Oz, “Dancing with the Stars” castoffs Melissa Joan Hart & Louie Vito, Morningwood
 EP140 - Terry Bradshaw, Catherine Keener, Echo & the Bunnymen
 EP139 - John C. Reilly, Nene Leakes, Kim Zolciak, an archery demonstration by Randy Oitker, the Temper Trap
 EP138 - Salma Hayek, Rico Rodriguez, Dead by Sunrise
 EP137 - Edward Norton, Paul Shaffer, the latest "Dancing with the Stars" castoff, the Sounds
 EP136 - Serena Williams, Dr. Drew Pinsky, Eric Church
 EP135 - Taye Diggs, Kristin Cavallari, Harper Simon
 EP134 - Jamie Foxx, Toby Keith
 EP133 - Jack Black, “Dancing with the Stars” castoff Chuck Liddell, Cobra Starship
 EP132 - Michael Moore, Malin Ackerman, the Backstreet Boys
 EP131 - Kelsey Grammer, Stana Katic, Motorhead
 EP130 - Joel McHale, Richard Belzer, KISS
 EP129 - Patricia Heaton, Debi Mazar, Tom DeLay, Gossip
 EP128 - Woody Harrelson, Whitney Port, Shinedown
 EP127 - Hayden Panettiere, Matthew Rhys, Joss Stone
 EP126 - Rebecca Romijn, Joseph Fiennes, Alice in Chains
 EP125 - Ricky Gervais, "Dancing with the Stars" castoff Kathy Ireland, Alice in Chains
 EP124 - LeBron James & his high school basketball teammates, Esther Dean, Chris Bianco
 EP123 - Rob Lowe, Lisa Lampanelli, pizza throwers Chris Green, Sam Niemeier and Ryan Larose, a special appearance by Tommy Lasorda
 EP122 - Courteney Cox, Jessica Capshaw, "Dancing with The Stars" castoff Ashley Hamilton
 EP121 - David Duchovny, Carmelo Anthony, Kid Cudi
 EP120 - Christian Slater, Ed O'Neill, Sofia Vergara, Shakira
 EP119 - Jenna Elfman, Danny Pudi, Lives of Famous Men, a special appearance by Rachael Ray
 EP118 - David Alan Grier, 10-year-old vacuum cleaner expert Gregory Evans, Pink
 EP117 - Eva Longoria Parker, Kelly Clarkson, a special appearance by Matt Damon and Joel McHale
 EP116 - Julie Bowen, Rumer Willis, the Used
 EP115 - Nick Cannon, Former Gov. Rod Blagojevich, White Lies
 EP114 - Kathy Griffin, Ryan Kwanten, Brendan Benson
 EP113 - Jennifer Connelly, Jeff Ross, Boys Like Girls
 EP112 - Gerard Butler, Nate Berkus, Maxwell
 EP111 - Kathie Lee Gifford, Milo Ventimiglia, R. Kelly
 EP110 - Emile Hirsch, Amber Valletta, St. Vincent
 EP109 - Kyra Sedgwick, Patton Oswalt, DataRock
 EP108 - Dylan McDermott, B.J. Novak, the Dead Weather
 EP107 - Shaquille O'Neal, Selena Gomez, Darius Rucker
 EP106 - Robin Williams, Bobcat Goldthwait, Matt & Kim
 EP105 - Gordon Ramsay, Rob Zombie, Friendly Fires
 EP104 - Quentin Tarantino, Rachel Nichols, pizza throwers Chris Green, Sam Niemeier, and Ryan Larose
 EP103 - Sienna Miller, Dave Salmoni, Doug Benson
 EP102 - Vanessa Hudgens, Eli Roth, Miike Snow
 EP101 - Ashton Kutcher, Nigel Lythgoe, the Script
 EP100 - Anne Heche, Aubrey Plaza, Diane Birch
 EP99 - Seth Rogen, Melissa Sagemiller, Jack's Mannequin
 EP98 - Jonah Hill, Mary McCormack, Ryan Sheckler
 EP97 - Leslie Mann, Eric Winter, Parachute
 EP96 - Tom Arnold, "Trailer Park Boys" Rob Wells, John Paul Tremblay and Mike Smith
 EP95 - Katherine Heigl, David and Shaun Cassidy, La Roux
 EP94 - Zooey Deschanel, Rev. Al Sharpton, Jewel
 EP93 - Seth Green, "Bachelorette" Jillian Harris, Zac Sunderland
 EP92 - Teri Hatcher, Danica Patrick, Daughtry
 EP91 - Josh Lucas, Terrell Owens, Pitbull
 EP90 - Larry King, Marissa Miller, Chester French
 EP89 - Samuel L. Jackson, Jamie-Lynn Sigler, Sean Patrick McGraw
 EP88 - Megan Fox, David Cross, Phoenix
 EP87 - Shia LaBeouf, June Diane Raphael, Eric Hutchinson
 EP86 - Josh Duhamel, Tracy Hutson, Bat For Lashes
 EP85 - David Arquette, Jill Wagner, Linkin Park
 EP84 - Kobe Bryant, Derek Fisher
 EP83 - Kathy Griffin, Ramon Rodriguez, Ben Harper
 EP82 - Roseanne Barr, Ryan Kwanten
 EP81 - Ty Pennington, David Sedaris, the Jonas Brothers
 EP80 - Artie Lange, Adam Perry Lang, No Doubt
 EP79 - Paris Hilton, Ken Jeong, Blink 182
 EP78 - Thomas Haden Church, Ed Helms, 311
 EP77 - Heather Graham, Lance Krall, Katie Melua
 EP76 - Danny McBride, Nia Vardalos, Taking Back Sunday
 EP75 - Hank Azaria, Anton Yelchin, Eminem
 EP74 - Tim Daly, Common, Busta Rhymes
 EP73 - Ben Stiller, Shawn Johnson and Mark Ballas, No Doubt
 EP72 - Eminem, Mike Tyson
 EP71 - Adrien Brody, Steve "Lips" Kudlow and Robb Reiner, the Airborne Toxic Event
 EP70 - Matthew Fox, Benjamin McKenzie, Ciara
 EP69 - Paula Abdul, "Dancing With the Stars" castoff Ty Murray, Todd Glass
 EP68 - Chris Pine, Aziz Ansari, Scott Weiland
 EP67 - Hugh Jackman, John Cho, Flo Rida
 EP66 - David Spade, Zoe Saldana, Black Eyed Peas
 EP65 - Zachary Quinto, "Dancing With the Stars" castoff Lil' Kim, 11-year-old Scrabble champions Andy Hoang and Erik Salgado
 EP64 - Matthew McConaughey, Kara DioGuardi, Jason Aldean
 EP63 - Brooke Shields, Balthazar Getty, Kumail Nanjiani
 EP62 - Dominic Monaghan, J.J. Abrams, Bang Camaro
 EP61 - Michael J. Fox, "Dancing With the Stars" castoff Chuck Wicks, Asher Roth
 EP60 - Jamie Foxx, Elizabeth Mitchell
 EP59 - Channing Tatum, Elisha Cuthbert, Depeche Mode
 EP58 - Justin Timberlake, Eliza Coupe, the Whip
 EP57 - Billy Bob Thornton, "Dancing with the Stars" castoff Lawrence Taylor
 EP56 - Six-year-old genius Pranav Veera, Pete Yorn
 EP55 - Zac Efron, Patti Stanger, Franz Ferdinand
 EP54 - Christina Applegate, Mike Tyson, Dana Gould
 EP53 - Jorge Garcia, David Alan Grier, "Dancing with the Stars" castoff Steve-O, Mims
 EP52 - Ben Affleck, Lily Allen
 EP51 - Vin Diesel, Anna Faris, Eli Young Band
 EP50 - Amy Poehler, Jordana Brewster, Les Claypool
 EP49 - "Dancing with the Stars" castoffs Steve Wozniak and Holly Madison, Will Arnett, Michelle Rodriguez
 EP48 - Paul Giamatti, Jim Gaffigan, Keri Hilson featuring Lil Wayne
 EP47 - Ozzy, Sharon, Jack and Kelly Osbourne, Bobby Cannavale, Todd Glass
 EP46 - John Stamos, Dr. Drew Pinsky, Blue October
 EP45 - "Dancing with the Stars" castoff Denise Richards, Zach Braff, Cheryl Hines, Charlie Wilson sits in with the band
 EP44 - Portia de Rossi, Melissa Rycroft, Motley Crue
 EP43 - John Cena, Christopher Mintz-Plasse, the Duke Spirit
 EP42 - Andy Samberg, Ashley Scott, MSTRKRFT
 EP41 - "Dancing with the Stars" castoff Belinda Carlisle, Chandra Wilson, Streeter Seidell and Amir Blumenfeld, Young Dubliners
 EP40 - Kristin Stewart, Dwayne Johnson, the Dream
 EP39 - David Hasselhoff, Eliza Dushku, Pendulum
 EP38 - Jaime Pressly, animal trainer Kirstin McMillan, the Pretenders
 EP37 - Heidi Klum, Bryan Cranston, Chris Cornell
 EP36 - Kate Walsh, Carla Gugino, Raphael Saadiq
 EP35 - Bonnie Hunt, Nathan Fillion, Oren Lavie
 EP34 - Charles Gibson, Lil' Wayne, Robyn
 EP33 - Evangeline Lilly, Jason Mesnick, New Kids on the Block
 EP32 - Calista Flockhart, John Michael Higgins, Nick DiPaolo
 EP31 - Rob Lowe, Khloe Kardashian, Living Things
 EP30 - Don Rickles, Ben Sollee
 EP29 - The Jonas Brothers, Jimmie Johnson, Darius Rucker
 EP28 - Dev Patel, Robin Roberts, Kinky
 EP27 - Rosie Perez, Danny McBride, Anya Marina
 EP26 - Naomi Watts, Whitney Port, K'Naan
 EP25 - Tyler Perry, Blues Traveler
 EP24 - Johnny Knoxville, Trisha Helfer, Mark Seliger
 EP23 - Demetri Martin, Marisa Tomei, Mishka, a special appearance by Matthew McConaughey
 EP22 - Andy Dick, Grant Show, the Red Jumpsuit Apparatus
 EP21 - Amy Brenneman, Steve-O, the Little Ones
 EP20 - Teri Hatcher, Larry Wilmore, Jazmine Sullivan
 EP19 - Vanessa Minnillo, Morrissey
 EP18 - Justin Long, Camilla Belle, Nick Kroll
 EP17 - John Cleese, Chris Ayres, the Bird and the Bee
 EP16 - Kristen Bell, Carlos Bernard, Benji Hughes
 EP15 - Andy Garcia, macaroni and cheese box collector Ian Golder, Kraak and Smaak
 EP14 - Adam Carolla, Brody Jenner, Disturbed
 EP13 - Miranda Cosgrove, Eric McCormack, Boz Scaggs, Dov Davidoff
 EP12 - Tim Roth, Joan Rivers
 EP11 - Brendan Fraser, Jonathan Goodwin, Blake Shelton
 EP10 - Randy Jackson, Diablo Cody, Thriving Ivory
 EP9 - Sarah Silverman, Soulja Boy Tellem
 EP8 - Kevin James, Evan Rachel Wood, Delta Spirit
 EP7 - Dustin Hoffman, jet pack pilot Eric Scott, Crooked X
 EP6 - Mickey Rourke, Rowdy Roddy Piper, Michael Strahan, Morgan Murphy
 EP5 - Kiefer Sutherland, Malcolm Gladwell, David Cook
 EP4 - Michael Imperioli, Jason Mesnick, Zac Brown Band
 EP3 - Anne Hathaway, Jensen Ackles, Lenka
 EP2 - Ron Howard, Jeffrey Dean Morgan, Gabe Dixon Band
 EP1 - Kathy Griffin, Sally Hawkins, Mike Birbiglia