Season 10
- Episode 1 Pink, Patrick Dempsey, Gabrielle Douglas, McKayla Maroney, Kyla Ross 9/10/2012
- Episode 2 Britney Spears, Simon Cowell 9/11/2012
- Episode 3 Dave Matthews Band, Allison Janney, Reese Witherspoon 9/12/2012
- Episode 4 Kate Hudson, Little Big Town 9/13/2012
- Episode 5 Justin Bieber, Phillip Phillips 9/14/2012
- Episode 6 Bethenny Frankel, Kellie Pickler, the top four from "So You Think You Can Dance" 9/17/2012
- Episode 7 Clint Eastwood, Pattie Mallette, Carly Rae Jepsen 9/18/2012
- Episode 8 Michael J. Fox, L.A. Reid, PSY 9/19/2012
- Episode 9 Amy Poehler, Ricky Gervais 9/20/2012
- Episode 10 Dennis Quaid, Jenna Dewan-Tatum 9/21/2012
- Episode 11 Bethenny Frankel, Viola Davis, Pamela Anderson 9/24/2012
- Episode 12 Zooey Deschanel, Maggie Elizabeth Jones, No Doubt 9/25/2012
- Episode 13 Joseph Gordon-Levitt, Kerry Washington, No Doubt 9/26/2012
- Episode 14 Jennifer Garner, Dwight Howard, Green Day 9/27/2012
- Episode 15 Selena Gomez, Kobe Bryant, the Killers 9/28/2012
- Episode 16 Liam Neeson, Gilles Marini & Peta Murgatroyd, Cher Lloyd 10/1/2012
- Episode 17 Lea Michele, David Spade, Matchbox Twenty 10/2/2012
- Episode 18 Eric Dane, Mike Sorrentino, Paul DelVecchio, Ronnie Ortiz-Magro, Vinny Guadagnino, OneRepublic 10/3/2012
- Episode 19 Zac Efron, Rebel Wilson, Ed Sheeran 10/4/2012
- Episode 20 Annette Bening, Cheryl Hines, Shawn Johnson & Derek Hough 10/5/2012
- Episode 21 Colin Farrell, Nolan Gould, Cody Simpson 10/8/2012
- Episode 22 Matthew Perry, Justin Bartha 10/9/2012
- Episode 23 Eric Stonestreet, Rachel Maddow, Joshua Radin 10/10/2012
- Episode 24 Bethenny Frankel, Octavia Spencer 10/11/2012
- Episode 25 Kate Walsh, Mike Epps, Anthony Robles 10/12/2012
- Episode 26 Joel McHale, Sabrina Bryan & Louis Van Amstel, the Script with will.i.am 10/15/2012
- Episode 27 Emma Watson, Kym Douglas, D.L. Hughley, the Wallflowers 10/16/2012
- Episode 28 Matthew Fox, Ellie Goulding 10/17/2012
- Episode 29 Nicole Richie, Nina Conti 10/18/2012
- Episode 30 Jessica Lange, Beth Behrs, Hunter Hayes 10/22/2012
- Episode 31 Portia De Rossi, Jerry O'Connell, LL Cool J, Victoria Jackson & Ali Guthy 10/23/2012
- Episode 32 Helen Hunt, Mason Cook 10/24/2012
- Episode 33 Taylor Swift 10/25/2012
- Episode 34 Halle Berry 10/26/2012
- Episode 35 Madonna 10/29/2012
- Episode 36 Steve Harvey, Macklemore & Ryan Lewis 10/30/2012
- Episode 37 Jane Lynch 10/31/2012
- Episode 38 Emmitt Smith, Cheryl Burke 11/1/2012
- Episode 39 Denzel Washington, Jenna Fischer, Luke Bryan 11/2/2012
- Episode 40 Julie Bowen, Peter Facinelli, Elizabeth Reaser 11/5/2012
- Episode 41 Heidi Klum, Nikki Reed, Mackenzie Foy 11/6/2012
- Episode 42 Bethenny Frankel, Russell Brand 11/7/2012
- Episode 43 Miley Cyrus, Maggie Grace, Jackson Rathbone 11/8/2012
- Episode 44 Robert Pattinson, Taylor Lautner, Kirstie Alley 11/9/2012
- Episode 45 Adam Levine, Jennifer Hudson, Maroon 5 11/12/2012
- Episode 46 Andrew Garfield, Alison Eastwood & Donald Schultz, Ne-Yo 11/13/2012
- Episode 47 Rihanna, Blue Man Group 11/14/2012
- Episode 48 Keira Knightley, One Direction 11/15/2012
- Episode 49 Vanessa Williams, Jason Aldean 11/16/2012
Season 9
- Episode 1 Ashton Kutcher 9/12/2011
- Episode 2 David Arquette, Sidewinder, Taylor Swift 9/13/2011
- Episode 3 Jon Cryer, Chaz Bono 9/14/2011
- Episode 4 Eve Longoria, Greyson Chance 9/15/2011
- Episode 5 David Beckham, Lady Antebellum, Maya Rudolph 9/16/2011
- Episode 6 Ellen’s Live Emmy Show 9/19/2011
- Episode 7 Demi Lovato, Kathy Bates, Christina Applegate 9/20/2011
- Episode 8 Joseph Gordon-Levitt & Seth Rogen, Bryce Dallas Howard & Anna Kendrick, Maroon 5 9/21/2011
- Episode 9 Brad Pitt, Chris Pratt, Kelly Clarkson 9/22/2011
- Episode 10 Jamie Foxx, Elisabetta Canalis & Val Chmerkovsky, Dr. Drew 9/23/2011
- Episode 11 Wanda Sykes, Joe Jonas, Julianne Hough & Kenny Wormald 9/26/2011
- Episode 12 Jennifer Garner, Cody Siminpson, Kevin Dillon 9/27/2011
- Episode 13 Simon Cowell, Paula Abdul, Nicole Scherzinger, L.A. Reid, Steve Jones, Luke Bryan 9/28/2011
- Episode 14 Heidi Klum, Nancy Pelosi, LeAnn Rimes 9/29/2011
- Episode 15 David Spade, Bethenny Frankel 9/30/2011
- Episode 17 Kellie Pickler, Joel McHale 10/4/2011
- Episode 18 Kim Kardashian & Kris Humphries 10/5/2011
- Episode 19 Zooey Deschanel, Ricki Lake & Derek Hough 10/6/2011
- Episode 20 Alyson Hannigan, Scotty McCreery, Blake Mycoskie 10/7/2011
- Episode 21 Steve Martin, Jack Black & Owen Wilson, Christina Grimmie 10/10/2011
- Episode 22 Liza Minnelli, Keith Urban 10/11/2011
- Episode 23 Glen Campbell, Ellen Pompeo 10/12/2011
- Episode 24 Kaley Cuoco, Adam Scott, Lupe Fiasco 10/13/2011
- Episode 25 Jesse Tyler Ferguson, Michael Strahan 10/14/2011
- Episode 26 Hilary Duff, J,R, Martinez & Karina Smirnoff, Logan Lerman 10/17/2011
- Episode 27 Martin Sheen & Emilio Estevez, Connie Britton, Philip Galanes 10/18/2011
- Episode 28 Taylor Swift, Abigail Breslin, Foster the People 10/19/2011
- Episode 46 Lauren Graham, Barry Deley, John Vietti 11/14/2011
- Episode 47 Amy Adams, Kina Grannis 11/15/2011
- Episode 48 Dylan McDermott, Miranda Lambert, Lil' P-Nut 11/16/2011
- Episode 49 Robin Williams, Selena Gomez & the Scene 11/17/2011
- Episode 50 Breaking Dawn (Part 1) Cast, Bruno Mars 11/18/2011
- Episode 51 Rihanna, Drew & Brittany Brees, Steve Spangler 11/21/2011
- Episode 52 Tim Allen, Mark Kelly, Daughtry 11/22/2011
- Episode 53 Sofia Vergara, Adam Levine, Gym Class Heroes 11/23/2011
- Episode 56 Alison Sweeney, Usher, David Guetta 11/29/2011
- Episode 57 Stevie Wonder, Kristin Chenoweth, Kym Douglas 11/30/2011
- Episode 58 Vince Vaughn, Shea Vaughn, Bono, Shailene Woodley, She & Him 12/1/2011
- Episode 60 Josh Duhamel, Laura Dern 12/5/2011
- Episode 61 Hilary Swank, Steve Jones, Sabrina Soto 12/6/2011
- Episode 62 Katherine Heigl, Lenny Kravitz 12/7/2011
- Episode 63 Paris Jackson, Pierce Brosnan, Bethenny Frankel 12/8/2011
- Episode 64 Lady Gaga 12/9/2011
- Episode 65 Allison Janney, Maggie Elizabeth Jones 12/12/2011
- Episode 66 Diane Keaton 12/13/2011
- Episode 67 Charlize Theron, Kevin Nealon, Christina Perri 12/14/2011
- Episode 68 Paris Jackson 12/15/2011
- Episode 69 Amy Poehler 12/16/2011
- Episode 70 Howie Mandel, Elle Fanning 1/3/2012
- Episode 71 Justin Bieber, Jesse Tyler Ferguson, Ellie Kemper, Mindless Behavior 1/4/2012
- Episode 72 The Jersey Shore Girls 1/5/2012
- Episode 73 Kirstie Alley, Casey Wilson, Jordyn Wieber 1/6/2012
- Episode 74 Kelly Osbourne, Shervin Lalezary, Nolan Gould, Gavin DeGraw 1/9/2012
- Episode 75 Woody Harrelson, Joshua Jackson, the Wanted 1/10/2012
- Episode 76 James Spader, Jeremy Irvine, Daniel J. Simons & Jonah Richard Lehrer 1/11/2012
- Episode 77 Meryl Streep, Ricky Gervais, Snow Patrol 1/12/2012
- Episode 78 Queen Latifah, Kenneth Branagh 1/13/2012
- Episode 79 Sofia Vergara, Big Time Rush 1/16/2012
- Episode 80 Steven Tyler, Timothy Oliphant, Chris Young 1/17/2012
- Episode 81 Colin Firth, Jeremy Irvine, Colbie Caillat 1/18/2012
- Episode 82 Rob Lowe, Adam Lambert 1/19/2012
- Episode 83 Kiefer Sutherland, Kevin Nealon 1/20/2012
- Episode 84 Shemar Moore, Kym Douglas 1/23/2012
- Episode 85 Sam Worthington, Michael Strahan, Seal 1/24/2012
- Episode 86 Mario Lopez, Ben Flajnik 1/25/2012
- Episode 87 Jimmy Kimmel, Melissa McCarthy, Earth Wind & Fire 1/26/2012
- Episode 88 Ted Danson, Kellie Pickler, Christopher Plummer 1/27/2012
- Episode 89 John Krasinski, 2Cellos 1/30/2012
- Episode 90 Simon Baker, Kristen Bell, Victoria Azarenka 1/31/2012
- Episode 91 Drew Barrymore, Octavia Spencer, Flo Rida 2/1/2012
- Episode 92 Michelle Obama, Daniel Radcliffe 2/2/2012
- Episode 93 Christina Aguilera, Adam Levine, Blake Shelton 2/3/2012
- Episode 94 Jim Parsons, Miley Cyrus 2/6/2012
- Episode 95 Martin Scorsese, Rachel McAdams 2/7/2012
- Episode 96 Julie Bowen, Josh Hutcherson, the Band Perry 2/8/2012
- Episode 97 Channing Tatum 2/9/2012
- Episode 98 Denzel Washington, Kat Dennings, LL Cool J 2/10/2012
- Episode 99 Jennifer Lopez, Marc Anthony, Jamie King 2/13/2012
- Episode 100 Kris Jenner, Bruce Jenner, Kevin Nealon 2/14/2012
- Episode 101 Ellen Pompeo, Dierks Bentley 2/15/2012
- Episode 102 Sean "Diddy" Combs, 2012 Sports Illustrated Swimsuit cover model Kate Upton 2/16/2012
- Episode 103 Reese Witherspoon, Nathan Lane 2/17/2012
- Episode 104 Amanda Seyfried 2/20/2012
- Episode 105 Taylor Swift, Zac Efron 2/21/2012
- Episode 106 Randy Jackson, Justin Theroux, Natasha Bedingfield 2/22/2012
- Episode 107 Jennifer Aniston, Cirque du Soleil's Juggling Ants 2/23/2012
- Episode 108 Seth Rogen, Bethenny Frankel 2/24/2012
- Episode 109 Meredith Vieira, Emily VanCamp 2/27/2012
- Episode 110 Kate Walsh 2/28/2012
- Episode 111 Cheryl Hines, Kacie Boguskie, Steve Spangler 2/29/2012
- Episode 112 Justin Bieber, Lauren Gray, Megan Mullally 3/1/2012
- Episode 113 Steve Harvey, Jason Mraz 3/2/2012
- Episode 114 Julianne Moore, Idina Menzel 3/5/2012
- Episode 115 Christian Slater, Lenny Kravitz, Novak Djokovic 3/6/2012
- Episode 116 Jon Hamm, Michael Weatherly, Sara Bareilles 3/7/2012
- Episode 117 Megan Fox, Carson Daly, Justin Willman 3/8/2012
- Episode 118 David Arquette, Robin Thicke 3/9/2012
- Episode 119 Jason Segel, Jennifer Morrison, Cirque du Soleil's Ants 3/12/2012
- Episode 120 Jessica Simpson, Ellie Kemper, Dierks Bentley & the Punch Brothers 3/13/2012
- Episode 121 Jonah Hill, Chris Rene 3/14/2012
- Episode 122 Ewan McGregor, Drew Brees, Toby Keith 3/15/2012
- Episode 123 Amanda Peet 3/16/2012
- Episode 124 Ed Helms, Kathy Freston 3/19/2012
- Episode 125 Armie Hammer, Kevin Nealon, Birdy 3/20/2012
- Episode 126 Elizabeth Banks, Casey James 3/21/2012
- Episode 127 Kristin Chenoweth, K'Naan featuring Nelly Furtado 3/22/2012
- Episode 128 Julia Roberts, Liam Hemsworth, Justin Bieber, Carly Rae Jepsen 3/23/2012
- Episode 129 Colin Farrell, Seann William Scott, Lionel Richie 4/2/2012
- Episode 130 Andrew Garfield, Edie Falco, Mo Isom 4/3/2012
- Episode 131 Emma Stone, Kenny Chesney, Tim McGraw, Time Salaz 4/4/2012
- Episode 132 Jennifer Love Hewitt, Rascal Flatts, Kym Douglas 4/5/2012
- Episode 133 Jason Biggs, Wayne Pacelle, Colbie Caillat, Common 4/6/2012
- Episode 134 Cee-Lo Green, Miranda Kerr, Chloe & Halle Bailey 4/9/2012
- Episode 135 Jane Lynch, Alison Sweeney, Bonnie Raitt 4/10/2012
- Episode 136 Khloe Kardashian Odom, Ellie Goulding 4/11/2012
- Episode 137 Maya Rudolph, Josh Bowman, Karmin 4/12/2012
- Episode 138 Sean Hayes, Gabrielle Union, Wayne Pacelle 4/13/2012
- Episode 139 Michelle Obama, Katharine McPhee, Neon Trees 4/16/2012
- Episode 140 Emily Blunt, Jason Mraz 4/17/2012
- Episode 141 Mariska Hargitay, Squeeze, Megan Hilty 4/18/2012
- Episode 142 Wanda Sykes, Bon Iver 4/19/2012
- Episode 143 Nicole Richie, Jennie Garth, Tom Shadyac 4/20/2012
- Episode 144 Sharon Osbourne, Maria Menounos & Derek Hough, Roberto Martin 4/23/2012
- Episode 145 Jesse Tyler Ferguson, Rita Wilson 4/24/2012
- Episode 146 Jack Black, Cobie Smulders 4/25/2012
- Episode 147 Sophia Grace & Rosie, Adam Levine, Colton Dixon 4/26/2012
- Episode 148 Hugh Grant 4/27/2012
- Episode 149 Diane Keaton, Donald Driver & Peta Murgatroyd 4/30/2012
- Episode 150 Jessica Alba, Scott Caan, Paul "DJ Pauly D" DelVecchio 5/1/2012
- Episode 151 Julianna Margulies, Kevin Nealon 5/2/2012
- Episode 152 Bill Clinton 5/3/2012
- Episode 153 Scarlett Johansson, Robert Downey Jr., "The Voice" castoff Jamar Rogers 5/4/2012
- Episode 154 Eva Mendes, Beth Stern 5/7/2012
- Episode 155 Johnny Depp, Chloe Grace Moretz, Michelle Pfeiffer, Alison Sweeney, Flo Rida 5/8/2012
- Episode 156 Carrie Underwood, Anna Kendrick 5/9/2012
- Episode 157 Nicki Minaj 5/10/2012
- Episode 158 Hilary Duff, Nick Cannon, Molly Sims 5/11/2012
- Episode 159 Kate Beckinsale, Taylor Kitsch, "The Voice" winner Jermaine Paul 5/14/2012
- Episode 160 Jennifer Lopez, Cameron Diaz, John Mayer, Victoria Justice 5/15/2012
- Episode 161 Steve Carell, Brooklyn Decker, Bobby Brown 5/16/2012
- Episode 162 Russell Brand 5/17/2012
- Episode 163 Kristen Bell, Dax Shepard 5/18/2012
- Episode 164 Howie Mandel, Cat Deeley 5/21/2012
- Episode 165 Katy Perry, Alanis Morissette 5/22/2012
- Episode 166 Will Smith, Justin Bieber 5/23/2012
- Episode 167 Charlize Theron 5/24/2012
- Episode 168 Matt LeBlanc, Olivia Munn 5/25/2012
- Episode 169 Ellie Kemper, Rufus Wainwright 5/28/2012
- Episode 170 Vince Vaughn, Kat Graham, Bethenny Frankel 5/29/2012
- Episode 171 Vanessa Williams, Sarah Hyland