Episode: 1 Mila Kunis, Tom Hanks Episode: 2 Chris Pine, Patricia Arquette, Modest Mouse Episode: 3 Kevin Hart, Will Ferrell, Leon Bridges Episode: 4 David Beckham, Claire Danes, Bob Odenkirk Episode: 5 Thomas Lennon, Matthew Perry, Aubrey Plaza, Echosmith Episode: 6 Katie Couric, Jeremy Piven, Emmy Rossum, Olly Murs Episode: 7 Jeff Goldblum, Beck, Rick Schwartz Episode: 8 Jordana Brewster, Dave Grohl, Rainn Wilson Episode: 9 Rob Corddry, Megan Mullally, Tig Notaro Episode: 10 Josh Gad, James Van Der Beek, Jessie Ware Episode: 11 Christoph Waltz, Erin Foster, Sara Foster, George Ezra Episode: 12 Jon Cryer, Freida Pinto, Grace Helbig, Andy Grammer Episode: 13 Nick Kroll, Naomi Campbell, Katharine McPhee Episode: 14 Michael Douglas, Simon Cowell, Jenny Lewis Episode: 15 Rosario Dawson, Sharon Osbourne, Tony Hale Episode: 16 Ben McKenzie, Mark Ronson, Kristen Stewart Episode: 17 Courteney Cox, Oscar Isaac, Joel McHale, Natalie La Rose Episode: 18 Kat Dennings, Beth Behrs, Jason Alexander, Estelle Episode: 19 Julie Chen, Gordon Ramsay, The Ting Tings Episode: 20 Tituss Burgess, Anna Faris Episode: 21 Russell Crowe, Kathryn Hahn, Eddie Izzard, Kodaline Episode: 22 Idina Menzel, Kumail Nanjiani, Manic Street Preachers Episode: 23 Arnold Schwarzenegger, Whitney Cummings, Gavin James Episode: 24 Kaley Cuoco-Sweeting, LL Cool J, OK Go Episode: 25 Dana Carvey, Elizabeth Olsen Episode: 26 Helen Hunt, Nicholas Hoult Episode: 27 Mark Harmon, Zoe McLellan Episode: 28 Susan Sarandon, Brooklyn Decker, Tori Kelly Episode: 29 James Marsden, Kat Graham, Brandon Flowers Episode: 30 One Direction Episode: 31 Anna Kendrick, Brittany Snow, Hailee Steinfeld Episode: 32 Rebecca Romijn, Sam Rockwell Episode: 33 Lisa Kudrow, Zach Woods, Ashima Shiraishi Episode: 34 Halle Berry, Jeffrey Dean Morgan Episode: 35 Hannah Simone, Pete Holmes, Noel Gallagher Episode: 36 Guy Pearce, Connie Britton Episode: 37 Allison Janney, Jerry Ferrara, Paul Dano Episode: 38 Elizabeth Banks, Jane Fonda, Lily Tomlin Episode: 39 Nick Offerman, Ellie Kemper, Thomas Middleditch, Palma Violets Episode: 40 Betty White, Kyle MacLachlan Episode: 41 Chris Pratt, Bryce Dallas Howard, Jake Johnson Episode: 42 David Duchovny, Kit Harington, Tamia Episode: 43 Melora Hardin, Jack Antonoff, Amy Landecker Episode: 44 Kathy Griffin, Derek Luke, The Lone Bellow Episode: 45 Jessica Szohr, Aasif Mandvi, Nick Thune Episode: 46 Carla Gugino, Chris Hardwick Episode: 47 Carli Lloyd, Chris Tucker, Judy Greer Episode: 48 Jim Gaffigan, Shiri Appleby, Best Coast Episode: 49 Cat Deeley,Kid Cudi, Ed Cage & Nicole Paris Episode: 50 Ian McKellen, James Wolk, Adam Lambert Episode: 51 Christina Hendricks, Laverne Cox, Cody Simpson Episode: 52 Chris Colfer, Paula Abdul Episode: 53 Denis Leary, Kristin Chenoweth, American Authors Episode: 54 Cobie Smulders, Judd Apatow, Mark Duplass, Life of Dillon Episode: 55 Mark Ruffalo, Amy Smart, Jason Schwartzman Episode: 56 Trevor Noah, Odette Annable, Eric Idle Episode: 57 Felicity Huffman, Hannibal Buress, Twin Shadow Episode: 58 Christina Applegate, Christian Slater, Elle King Episode: 59 Matt LeBlanc, William H. Macy, Don Cheadle Episode: 60 Gordon Ramsay, Matilda Ramsay, Josh Charles, Milky Chance Episode: 61 Adam Pally, Jeffrey Tambor, Nicole Richie, Laura Marling Episode: 62 Joel McHale, Rosemarie DeWitt, Gary Barlow Episode: 63 Kevin Bacon, Alison Pill, Wolf Alice Episode: 64 Carl Reiner, Jason Segel, Marc Maron Episode: 65 Neil Patrick Harris, Craig Robinson Episode: 66 Lake Bell, Chiwetel Ejiofor, Little Mix Episode: 67 Patrick Stewart, Anthony Davis, Morrissey Episode: 68 Owen Wilson, Johnny Knoxville, Natasha Leggero, Robin Thicke Episode: 69 Ben Kingsley, Bill Hader, Zac Efron Episode: 70 YouTube stars, Boyce Avenue Episode: 71 Bradley Cooper, Andrew Garfield, Jake McDorman, Wiz Khalifa featuring Fall Out Boy Episode: 72 Jason Sudeikis, Chris Bosh Episode: 73 Jeremy Renner, Alison Brie Episode: 74 Show's Past Highlights, Leon Bridges Episode: 75 Adam Scott, Wilmer Valderrama, Marian Hill Episode: 76 Pauley Perrette, Alice Cooper Episode: 77 Chris O' Donnell, Emily Mortimer Episode: 78 Terry Crews, Meagan Good, Dylan O'Brien, Big Sean Episode: 79 Allison Janney, Jesse Tyler Ferguson, Leona Lewis Episode: 80 Emma Roberts, Kristen Schaal, Royal Blood Episode: 81 Brit Marling, Kunal Nayyar, Fifth Harmony Episode: 82 Mel Brooks, Jerrod Carmichael Episode: 83 Carol Burnett, Fred Savage, Marcia Gay Harden, Catfish & The Bottlemen Episode: 84 Zachary Levi, Matt Damon, Nitro Circus Episode: 85 Patricia Arquette, Matt Walsh, Jeremy Irvine, A$AP Rocky Episode: 86 Jessica Alba, Ben Schwartz, Grace Episode: 87 Julianne Moore, John Stamos, Jack Hanna Episode: 88 Chris Parnell, Nina Dobrev, R. City Episode: 89 Jamie Lee Curtis, Sharon Osbourne, Elyes Gabel Episode: 90 Nathan Lane, Rachel Bloom, The Maccabees Episode: 91 Aaron Sorkin, Bradley Whitford Episode: 92 Jeff Daniels, Kirsten Dunst, FFS Episode: 93 Colin Hanks, Juliette Lewis, Matthew Fox, Echosmith Episode: 94 Cindy Crawford, Matt Bomer, Raury Episode: 95 Luke Wilson, Mary Lynn Rajskub, Travis Mills Episode: 96 Rebecca Romijn, David Koechner, Kid Chef Estie Kung, Kygo Episode: 97 Billy Bob Thornton, Brie Larson, Josh Groban, Aston Merrygold Episode: 98 Kate Hudson, Billy Eichner, Ruth Wilson Episode: 99 Dennis Quaid, Mamie Gummer Episode: 100 Josh Duhamel, Kelly Osbourne, Richard Barker Episode: 101 Ken Jeong, Erin Andrews, Bloc Party Episode: 102 Bridget Moynahan, Paul Feig, Nicholas Hytner, The Charlatans Episode: 103 LL Cool J, Alanis Morissette Episode: 104 Anna Faris, Joshua Jackson, Gavin James Episode: 105 Christoph Waltz, Carey Mulligan, Johnny Galecki Episode: 106 Melissa Benoist, Olivia Wilde, Saoirse Ronan Episode: 107 Natalie Dormer, Ty Burrell, Jeezy Episode: 108 Ethan Hawke, Harry Connick Jr., Anthony Anderson, X Ambassadors Episode: 109 Anthony Mackie, Rainn Wilson, Justin Bieber Episode: 110 Bryan Cranston, Joseph Gordon-Levitt, Jacqueline Novak Episode: 111 Rob Lowe, David Spade, Shawn Mendes Episode: 112 Roseanne Barr, Gina Rodriguez, Ellie Goulding, DNCE Episode: 113 Chrissy Teigen, James Van Der Beek, Jay Duplass, Tove Lo Episode: 114 Taye Diggs, Amy Landecker, 5 Seconds of Summer Episode: 115 Krysten Ritter, Ted Danson, The Chainsmokers Episode: 116 Toni Collette, Frank Grillo, James Bay Episode: 117 Billy Crystal, One Direction Episode: 118 Gwendoline Christie, Bryshere "Yazz" Gray, Coldplay Episode: 119 Taraji P. Henson, Justin Bartha, Jermaine Fowler Episode: 120 Tyler Oakley, Hank Azaria, Rick Ross Episode: 121 Chris Hardwick, Lewis Hamilton, Cage the Elephant Episode: 122 Josh Groban, Justin Long, Daya Episode: 123 Domhnall Gleeson, Mike Epps, Chvrches, One Direction Episode: 124 Amber Heard, Luke Bracey, Wanda Sykes, Carly Rae Jepsen Episode: 125 Seth MacFarlane, Lily Tomlin Episode: 126 Sarah Silverman, Taylor Kinney, Alicia Vikander, Jamie Lee Episode: 127 Sarah Hyland, Jack McBrayer, Rami Malek Episode: 128 Kurt Russell, Paul Dano, Gilles Grimandi Episode: 129 Gael Garcia Bernal, Meghan Trainor, Transviolet Episode: 130 Morgan Freeman, Zooey Deschanel, Tim Roth Episode: 131 Betty White, Amar'e Stoudemire, Jack Hanna, Rachel Platten Episode: 132 Tim Robbins, America Ferrera, Adam Devine, Adele Episode: 133 Gillian Anderson, Tyler Perry, JR JR Episode: 134 Jane Lynch, Carrie Brownstein, Joel Edgerton Episode: 135 J.K. Simmons, Josh Holloway, X Ambassadors Episode: 136 Rashida Jones, Lily James, Sean Hayes, BØRNS Episode: 137 Nathan Fillion, Randall Park, Cirque Kurios Episode: 138 Josh Radnor, Maggie Grace, Nathan Sykes, Chris Martin Episode: 139 Rosie O'Donnell, Nikki Glaser, Addison Osta Smith Episode: 140 Eva Longoria, Tom Ellis, 5 Seconds of Summer Episode: 141 Zac Efron, Anna Kendrick, Adam DeVine, Carpool Karaoke with Elton John Episode: 142 Mayim Bialik, Piers Morgan, Charlie Puth Episode: 143 Von Miller, Jennifer Jason Leigh, Joe Mangeniello, Glen Hansard Episode: 144 LL Cool J, Viola Davis, Malin Akerman Episode: 145 Chiwetel Ejiofor, Grace Helbig, Jake Lacy, Albert Hammond Jr. Episode: 146 Chelsea Handler, Jason Schwartzman, Alessia Cara Episode: 147 Selma Blair, Juno Temple, Ben Feldman, Sia Episode: 148 Ryan Reynolds, Katie Holmes, Judd Apatow, Lianne La Havas Episode: 149 Katie Couric, Gillian Jacobs, Anders Holm Episode: 150 Dr. Phil, Shad Moss, Cristin Milioti, Awolnation Episode: 151 Khloe Kardashian, Josh Duhamel Episode: 152 Norman Reedus, Jenna Dewan Tatum, Miguel Episode: 153 Casey Affleck, Lucy Hale Episode: 154 Ellen Page, Paul Rust, Jenny Slate Episode: 155 JJ Redick, Freida Pinto, Saffron Burrows Episode: 156 Lea Michele, Ginnifer Goodwin Episode: 157 Gerard Butler, Will Forte, M. Ward Episode: 158 Queen Latifah, David Walliams, Elle King Episode: 159 Neve Campbell, Jay Duplass, Mark Duuplass, Gwen Stefani Episode: 160 Martin Short, Will Arnett Episode: 161 Connie Britton, Mark Cuban, Cameron Esposito Episode: 162 Amanda Peet, Max Greenfield, Panic! At The Disco Episode: 163 Paul Rudd, Diane Lane Episode: 164 Colin Farrell, Wanda Sykes, Jack Hanna, Demi Lovato