
- Episode 1 Christina Ricci, Mike ‘The Situation’ Sorrentino, Paul ‘DJ Pauly D’ DelVecchio, Vinny Guadagnino, Ronnie Ortiz-Magro, Mariachi El Bronx
- Episode 2 Kelsey Grammer, Octavia Spencer, Lloyd
- Episode 3 Tracy Morgan, Chris Paul, tUnE-yArDs
- Episode 4 Don Cheadle, David Cross, Boyz II Men
- Episode 5 Channing Tatum, Ben Flajnik, Uh Huh Her
- Episode 6 Randy Jackson, Dermot Mulroney, Will Hoge
- Episode 7 Woody Harrelson, Yvonne Strahovski, Rodney Atkins
- Episode 8 Meryl Streep, Stephen Merchant, Kina Grannis
- Episode 9 Katherine Heigl, Ne-Yo, Grouplove
- Episode 10 Will Arnett, Madeleine Stowe, Dana Gould
- Episode 11 Tom Arnold, Keke Palmer, Filter
- Episode 12 Terrence Howard, Thomas Horn, Safetysuit
- Episode 13 Kiefer Sutherland, Bear Grylls, Young the Giant
- Episode 14 Elizabeth Banks, Ben McKenzie, Mindless Behavior
- Episode 15 Cuba Gooding Jr., Sara Hyland, Big Freedia
- Episode 16 Andre Agassi, J.B. Smoove, Seal
- Episode 17 Kate Walsh, Marc Maron, Fishbone
- Episode 18 Martin Scorsese, Kenneth Branagh, Angels and Airwaves
- Episode 19 John Krasinski, Eloise Mumford, Gotye Director Martin Scorsese ("Hugo"); Kenneth Branagh ("My Week With Marilyn"). Also: Angels & Airwaves perform.
- Episode 20 Gary Oldman, Tim Heidecker & Eric Wareheim, Korn
- Episode 21 Michelle Williams, Angela ‘Big Ang’ Raiola, Pitbull
- Episode 22 Antonio Banderas, Damon Wayans Jr., 50 Cent
- Episode 23 Nathan Fillion, Josh Hutcherson, Far East Movement
- Episode 24 Courteney Cox, Mario Manningham & Ahmad Bradshaw, Tony Bennett
- Episode 25 Jeff Goldblum, David Alan Grier, Lana Del Rey
- Episode 26 John Goodman, Kevin Nealon, Robin Thicke
- Episode 27 Sean ‘Diddy’ Combs, ‘Science Bob’ Pflugfelder, Miley Cyrus
- Episode 28 Chris Pine, Khloe Kardashian Odom, Puscifer
- Episode 29 Eric Stonestreet, Kate Upton, Jake Owen
- Episode 30 Jessica Alba, Rep. Barney Frank, Nathan Myhrvold, Tower of Power
- Episode 31 Joel McHale, Justin Theroux, Die Antwoord
- Episode 32 After the Oscars Special Oprah Winfrey; Musical Guest Coldplay
- Episode 33 Steven Tyler, Harvey Weinstein, Melanie Fiona
- Episode 34 Maria Menounos; Mat Kearney “Dancing with the Stars” contestant Maria Menounos; musical guest Mat Kearney.
- Episode 35 Ed Helms, Leslie Bibb, Wallpaper
- Episode 36 Joan Rivers, Nicki Minaj
- Episode 37 Dr. Phil McGraw; “The Bachelor” runner-up Lindzi Cox; Keane
- Episode 38 Will Ferrell; actress Ellie Kemper; Allen Stone Actor/comedian Will Ferrell; actress Ellie Kemper; music from Allen Stone.
- Episode 39 Jonah Hill; Busy Philipps; The Crystal Method feat. Martha Reeves
- Episode 40 Channing Tatum; actor Genesis Rodriguez Actor Channing Tatum; actress Genesis Rodriguez.
- Episode 41 Jessica Simpson; Gael García Bernal Actress Jessica Simpson; actor Gael García Bernal.
- Episode 42 Kristen Bell; actor Ice Cube; KISS performs Actress Kristen Bell; actor/musician Ice Cube; musical guests KISS.
- Episode 43 Don Rickles; Amanda de Cadenet; Dr. Teeth and the Electric Mayhem
- Episode 44 Kristin Chenoweth; racecar driver Jimmie Johnson; Neon Trees
- Episode 45 Zooey Deschanel; actor Steven Seagal; Shinedown Actress Zooey Deschanel; actor Steven Seagal; musical guests Shinedown.
- Episode 46 Ashton Kutcher and Justin Bieber; All-American Rejects
- Episode 47 Adam Carolla; professional basketball player Kevin Durant; White Rabbits
- Episode 48 Carson Daly; actress Kristen Schaal
- Episode 49 Seann William Scott; actress Christa Miller; Eli Young Band
- Episode 50 Edie Falco; Amy Schumer
- Episode 51 Jason Biggs; Lionel Richie and Billy Currington
- Episode 52 Anthony Davis; actress Lena Headey; NeedToBreathe
- Episode 53 LL Cool J; actor James Van Der Beek; Josh Baze
- Episode 54 David Spade; Slash feat. Myles Kennedy
- Episode 55 Ashley Judd; director Bobcat Goldthwait; The Civil Wars
- Episode 56 Danny McBride; actress Dianna Agron; The Shins
- Episode 57 Zac Efron; actress Krysten Ritter; Noel Gallagher
- Episode 58 Mark Harmon; Dancing With the Stars castoff; Ashanti performs
- Episode 59 Jennifer Love Hewitt; Chef Georgia Pellegrini; Jason Mraz
- Episode 60 Gabourey Sidibe; Morgan Spurlock; Kasabian
- Episode 61 Julia Louis-Dreyfus; Andy Hoang & Erik Salgado; The Hives Actress Julia Louis-Dreyfus; Scrabble champions Andy Hoang & Erik Salgado; musical guests The Hives.
- Episode 62 John Cusack; Vintage Trouble
- Episode 63 Sharon Osbourne; Max Greenfield; LP
- Episode 64 Emily Blunt; Dave Salmoni; Adam Lambert
- Episode 65 Vanessa Williams; Jonny Lee Miller; Andrew Bird
- Episode 66 David Arquette; Civil Twilight
- Episode 67 William H. Macy; Eva Green; Brad
- Episode 68 Scarlett Johansson; Roger Daltrey
- Episode 69 Kristen Stewart; Chloë Grace Moretz; B.o.B.
- Episode 70 Johnny Depp; Casey Wilson; Silversun Pickups
- Episode 71 Steve Harvey; Dev Patel; Glenn Frey
- Episode 72 Dr. Phil McGraw; Carrie Underwood
- Episode 73 Drew Carey; Rita Wilson
- Episode 74 Matthew Morrison; Beth Stern; Delta Spirit
- Episode 75 Kristin Bell; Dax Shepard; Jason Mantzoukas; The Cult
- Episode 76 Kathy Griffin; Emily Maynard; Gavin DeGraw
- Episode 77 Patricia Heaton; Nikolaj Coster-Waldau; Lisa Marie Presley
- Episode 78 Josh Brolin; Bethenny Frankel; Kimbra
- Episode 79 Charlize Theron; Manny Pacquiao; Graffiti6
- Episode 80 Christina Ricci; Chef Adam Perry; fun.
- Episode 81 Andy Samberg; Edward Sharpe and the Magnetic Zeros Actor/comedian Andy Samberg; National Spelling Bee Champion Snigdha Nandipati; musical guests Edward Sharpe & The Magnetic Zeros.
- Episode 82 Kim Kardashian, Kourtney Kardashian and Khloe Kardashian Odom; Adam Carolla; K’Naan
- Episode 83 Edward Norton; Leighton Meester; Dead Sara
- Episode 84 Martin Short; Cee Lo Green; Goodie Mob
- Episode 85 Jada Pinkett Smith; Matt Kemp; The Temper Trap
- Episode 86 Sally Field; Kevin Love; Waka Flocka Flame
- Episode 87 Anderson Cooper; Scott Caan; Metric
- Episode 88 Katy Perry; Alex Pettyfer; The Offspring
- Episode 89 Louis C.K.; Zoe Kazan
- Episode 90 Matt LeBlanc; Selma Blair; Linkin Park
- Episode 91 Howie Mandel; Chris Bosh; Linkin Park
- Episode 92 Paul Reubens; Dreama Walker; Marina and the Diamonds
- Episode 93 Gary Oldman; Rob Riggle; The Dirty Heads
- Episode 94 Wanda Sykes; Joel Kinnaman; Serj Tankian
- Episode 95 Billy Crudup; Fred Willard; Grace Potter and the Nocturnals
- Episode 96 Bryan Cranston; Larry King; Zac Brown Band
- Episode 97 Russell Brand; Olivia Munn; Matisyahu
- Episode 98 Kate Beckinsale; Chris Harrison; Rubblebucket
- Episode 99 Charlie Sheen; Nicole ‘Snooki’ Polizzi; Huey Lewis & Joe Cocker
- Episode 100 Ben Stiller; Emily Maynard; The Head and the Heart
- Episode 101 Jeremy Renner; Aaron Paul; Nas
- Episode 102 Colin Farrell; Rosemarie DeWitt; Trey Songz
- Episode 103 Jessica Biel; Rick Ross
- Episode 104 David Duchovny; Jeff Ross; Alabama Shakes
- Episode 105 Joseph Gordon-Levitt; Rebel Wilson; Good Old War
- Episode 106 Thomas Haden Church; Rick Bayless; JJAMZ
- Episode 107 Jennifer Garner; Paul Scheer; The Fixx
- Episode 108 Tom Arnold; Ashley Greene; The Wood Brothers
- Episode 109 Gordon Ramsay; Jordin Sparks; Andy Grammer
- Episode 110 Robert Pattinson; Rick & Corey Harrison; Poliça
- Episode 111 Kyra Sedgwick; Nick Prueher & Joe Pickett; Josh Doyle
- Episode 112 Jamie Foxx; Cat Deeley; Imagine Dragons
- Episode 113 Bob Newhart; Kevin Hart; Miss Willie Brown
- Episode 114 Matt Stone & Trey Parker; Adam Scott; Everclear
- Episode 115 Lea Michele; Simon Bird; The Avett Brothers
- Episode 116 Dr. Phil McGraw; Dakota Johnson; Rita Ora
- Episode 117 Britney Spears & Simon Cowell; Slightly Stoopid
- Episode 118 Terry Bradshaw; Dave Matthews
- Episode 119 Matthew Perry; Josh Hamilton; Kreayshawn
- Episode 120 Richard Gere; Josh Radnor
- Episode 121 Julie Bowen; Nate Parker; The Afghan Whigs
- Episode 122 Julianna Margulies; Jessie Tyler Ferguson; The Killers
- Episode 123 Melanie Griffith; Kerry Washington; Alanis Morissette
- Episode 124 Keanu Reeves; Ginnifer Goodwin; Green Day
- Episode 125 Selena Gomez; Lenny Venito; Tony Bennett
- Episode 126 Zooey Deschanel; Maggie Grace; Electric Approach
- Episode 127 Ty Burrell; Chris Paul; Psy
- Episode 128 Amy Poehler; Alan Arkin; Garbage
- Episode 129 Zac Efron; Jack Black & Kyle Gass; Tenacious D Zac Efron (The Paper Boy), Jack Black, Kyle Glass, Musical Guest Tenacious D
- Episode 130 Ben Affleck; Demi Lovato; Ben Howard Ben Affleck (Argo), Demi Lovato (X Factor), Musical Guest Ben Howard
- Episode 131 Megan Mullally; Father John Misty Megan Mullally (Smashed), Drew Lachey, Anna Trebunskaya, Helio Castroneves, Chelsie Hightower, Musical Guest Father John Misty
- Episode 132 Will Arnett; Chris Elliott; Dwight Yoakam Will Arnett (Up All Night), Chris Elliot (The Guy Under the Sheets: The Unauthorized Autobiography), Musical Guest Dwight Yoakam
- Episode 133 Kevin James; Ezra Miller Kevin James (Here Comes the Boom), Ezra Miller (The Perks of Being a Wallflower)
- Episode 134 Aziz Ansari; Alana “Honey Boo Boo” Thompson & June “Mama” Shannon; Josh Turner Aziz Ansari (Parks and Recreation), Alana "Honey Boo Boo" Thompson and June "Mama" Shannon (Here Comes Honey Boo Boo), Musical Guest Josh Turner
- Episode 135 Don Rickles; Dancing with the Stars Castoff; Miguel Don Rickles (Performing at the Taj Mahal in Atlantic City), Dancing with the Stars Castoff, Musical Guest Miguel
- Episode 136 Joel McHale; Joe Walsh Joel McHale (Community), Joe Walsh, Musical Guest Joe Walsh
- Episode 137 Matthew Fox; Emily VanCamp; Paul Weller Matthew Fox (Alex Cross), Emily VanCamp (Revenge), Musical Guest Paul Weller
- Episode 138 Russell Peters; Prince Jerry O'Connell, Russell Peters, Musical Guest Prince
- Episode 139 Axl Rose; Ana Gasteyer; The Whigs Axl Rose (The Guns and Roses Residency), Ana Gasteyer (Suburgatory), Musical Guest The Whigs
- Episode 140 Michelle Obama; Halle Berry; Ciara First Lady Michelle Obama, Halle Berry (Cloud Atlas), Musical Guest Ciara
- Episode 141 Kelly Ripa; Alicia Keys Kelly Ripa (Live with Kelly and Michael), Musical Guest Alicia Keys
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Episode 142
Howard Stern; Tracy Morgan; Sharon Jones and the Dap-Kings
Howard Stern, Tracy Morgan, Musical Guest Sharon Jones & the Dap-Kings
- Episode 143 David Letterman; Vampire Weekend David Letterman ("Late Show with David Letterman"), Musical Guest Vampire Weekend.
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Episode 144
Jon Stewart & Stephen Colbert; The Avett Brothers with the Brooklyn Philharmonic
Jon Stewart ("The Daily Show") & Stephen Colbert ("The Colbert Report"), Musical Guest The Avett Brothers with the Brooklyn Philharmonic.
- Episode 145 Robert Pattinson; Chris Hardwick; Ben Folds Five Robert Pattinson ("Twilight Saga: Breaking Dawn - Part 2"), Chris Hardwick ("Chris Hardwick: Mandroid"), Musical Guest Ben Folds Five.
- Episode 146 John Goodman; Hayden Panettiere; Machine Gun Kelly John Goodman ("Flight"), Hayden Penettiere ("Nashville"), Music Guest Machine Gun Kelly.
- Episode 147 Kirstie Alley; Dave Salmoni; Tyler Bryant & The Shakedown Kirstie Alley ("The Art of Men (I Prefer Mine Al Dente)"), Animal Trainer Dave Salmoni, Musical Guest Tyler Bryant & The Shakedown.
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Episode 148
Daniel Craig; Stephenie Meyer; Boys Like Girls
Daniel Craig ("Sky Fall"), Stephenie Meyer ("Twilight Saga: Breaking Dawn - Part 2"), Musical Guest Boys Like Girls.
- Episode 149 Jessica Lange; Adam Pally; Game feat. Tyga & Wiz Khalifa Jessica Lange ("American Horry Story"), Adam Pally ("Happy Endings"), Musical Guest Game feat. Tyga & Wiz Khalifa.
- Episode 150 Christina Applegate; Youngblood Hawk Christina Applegate ("Up All Night"), "Dancing with the Stars" Castoffs, Musical Guest Youngblood Hawk.
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Episode 151
Martin Short; Suraj Sharma; Ne-Yo
Martin Short, Suraj Sharma ("Life of Pi"), Musical Guest Ne-Yo.
- Episode 152 Mel Brooks; Jake Tapper; Jason Aldean Mel Brooks, Jake Tapper ("The Outpost: An Untold Story of American Valor"), Musical Guest Jason Aldean.
- Episode 153 Eric Stonestreet; L.A. Reid; Aimee Mann & James Mercer Eric Stonestreet ("Modern Family"), L.A. Reid ("X Factor"), Muiscal Guests Aimee Mann & James Mercer.
- Episode 154 Two Dancing with the Stars Castoffs; Andy Allo Andy Garcia ("A Dark Truth"), "Dancing with the Stars" Castoffs, Musical Guest Andy Allo.
- Episode 155 Tim Allen; Manny Pacquiao; Flo Rida Tim Allen ("Last Man Standing"), Manny Pacquiao, Musical Guest Flo Rida.
- Episode 156 Ryan Seacrest; Erin Andrews; Soundgarden Ryan Seacrest ("Dick Clark's New Year's Rockin' Eve with Ryan Seacrest 2013"), Erin Andrews (FOX's College Football Pregame Show), Musical Guest Soundgarden.
- Episode 157 Reba McEntire; Mike Tyson; Youngblood Future Reba McEntire ("Malibu Country"), Mike Tyson, Melissa Rycroft & Tony Dovolani ("Dancing with the Stars"), Musical Guest Future.
- Episode 158 Eric Bana; Damian Lewis; Wiz Khalifa Eric Bana ("Dead Fall"), Damian Lewis ("Homeland"), Musical Guest Wiz Khalifa.
- Episode 159 Ted Danson; Emilia Clarke; Larry g(EE) Ted Danson ("CSI: Crime Scene Investigation"), Emilia Clarke ("Game of Thrones"), Musical Guest Larry g(EE)
- Episode 160 Leslie Mann; Ted; Sarah Jaffe Leslie Mann ("This Is 40"), Seth MacFarlane as Ted ("Ted"), Musical Guest Sarah Jaffe
- Episode 161 John Krasinski; Mike Birbiglia; Atlas Genius John Krasinski ("Promised Land"), Mike Birbiglia ("Sleepwalk with Me"), Musical Guest Atlas Genius
- Episode 162 Zachary Knighton; Dan Deacon TV host Carson Daly; actor Zachary Knighton ("Happy Endings"); musical guest Dan Deacon
- Episode 163 Hugh Jackman; Jenna Fischer; 2 Chainz Hugh Jackman ("Les Misérables"), Jenna Fischer ("The Office"), Musical Guest 2 Chainz.
- Episode 164 Samuel L Jackson; Jersey Shore cast; Ed Sheeran Samuel L. Jackson ("Django Unchained"); the cast of "Jersey Shore": Snooki, JWoww, Pauly D., Vinny, Sami, Ronnie, Mike and Deena; Musical Guest Ed Sheeran
- Episode 165 Eric Stonestreet; L.A. Reid; Aimee Mann and James Mercer
- Episode 166 Jessica Lange; Adam Pally; Game featuring Tyga