Episode 1
Episode 2
Episode 3
Episode 4
Episode 5
Episode 6
Episode 7
Episode 8
Episode 9
Episode 10
Episode 11
Episode 12
Episode 13
Episode 14
Episode 15
Episode 16
Episode 17
Episode 18
Episode 19
Director Martin Scorsese ("Hugo"); Kenneth Branagh ("My Week With Marilyn"). Also: Angels & Airwaves perform.
Episode 20
Episode 21
Episode 22
Episode 23
Episode 24
Episode 25
Episode 26
Episode 27
Episode 28
Episode 29
Episode 30
Episode 31
Episode 32
Oprah Winfrey; Musical Guest Coldplay
Episode 33
Episode 34
“Dancing with the Stars” contestant Maria Menounos; musical guest Mat Kearney.
Episode 35
Episode 36
Episode 37
Episode 38
Actor/comedian Will Ferrell; actress Ellie Kemper; music from Allen Stone.
Episode 39
Episode 40
Actor Channing Tatum; actress Genesis Rodriguez.
Episode 41
Actress Jessica Simpson; actor Gael García Bernal.
Episode 42
Actress Kristen Bell; actor/musician Ice Cube; musical guests KISS.
Episode 43
Episode 44
Episode 45
Actress Zooey Deschanel; actor Steven Seagal; musical guests Shinedown.
Episode 46
Episode 47
Episode 48
Episode 49
Episode 50
Episode 51
Episode 52
Episode 53
Episode 54
Episode 55
Episode 56
Episode 57
Episode 58
Episode 59
Episode 60
Episode 61
Actress Julia Louis-Dreyfus; Scrabble champions Andy Hoang & Erik Salgado; musical guests The Hives.
Episode 62
Episode 63
Episode 64
Episode 65
Episode 66
Episode 67
Episode 68
Episode 69
Episode 70
Episode 71
Episode 72
Episode 73
Episode 74
Episode 75
Episode 76
Episode 77
Episode 78
Episode 79
Episode 80
Episode 81
Actor/comedian Andy Samberg; National Spelling Bee Champion Snigdha Nandipati; musical guests Edward Sharpe & The Magnetic Zeros.
Episode 82
Episode 83
Episode 84
Episode 85
Episode 86
Episode 87
Episode 88
Episode 89
Episode 90
Episode 91
Episode 92
Episode 93
Episode 94
Episode 95
Episode 96
Episode 97
Episode 98
Episode 99
Episode 100
Episode 101
Episode 102
Episode 103
Episode 104
Episode 105
Episode 106
Episode 107
Episode 108
Episode 109
Episode 110
Episode 111
Episode 112
Episode 113
Episode 114
Episode 115
Episode 116
Episode 117
Episode 118
Episode 119
Episode 120
Episode 121
Episode 122
Episode 123
Episode 124
Episode 125
Episode 126
Episode 127
Episode 128
Episode 129
Zac Efron (The Paper Boy), Jack Black, Kyle Glass, Musical Guest Tenacious D
Episode 130
Ben Affleck (Argo), Demi Lovato (X Factor), Musical Guest Ben Howard
Episode 131
Megan Mullally (Smashed), Drew Lachey, Anna Trebunskaya, Helio Castroneves, Chelsie Hightower, Musical Guest Father John Misty
Episode 132
Will Arnett (Up All Night), Chris Elliot (The Guy Under the Sheets: The Unauthorized Autobiography), Musical Guest Dwight Yoakam
Episode 133
Kevin James (Here Comes the Boom), Ezra Miller (The Perks of Being a Wallflower)
Episode 134
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 (Performing at the Taj Mahal in Atlantic City), Dancing with the Stars Castoff, Musical Guest Miguel
Episode 136
Joel McHale (Community), Joe Walsh, Musical Guest Joe Walsh
Episode 137
Matthew Fox (Alex Cross), Emily VanCamp (Revenge), Musical Guest Paul Weller
Episode 138
Jerry O'Connell, Russell Peters, Musical Guest Prince
Episode 139
Axl Rose (The Guns and Roses Residency), Ana Gasteyer (Suburgatory), Musical Guest The Whigs
Episode 140
First Lady Michelle Obama, Halle Berry (Cloud Atlas), Musical Guest Ciara
Episode 141
Kelly Ripa (Live with Kelly and Michael), Musical Guest Alicia Keys
Episode 142
Howard Stern, Tracy Morgan, Musical Guest Sharon Jones & the Dap-Kings
Episode 143
David Letterman ("Late Show with David Letterman"), Musical Guest Vampire Weekend.
Episode 144
Jon Stewart ("The Daily Show") & Stephen Colbert ("The Colbert Report"), Musical Guest The Avett Brothers with the Brooklyn Philharmonic.
Episode 145
Robert Pattinson ("Twilight Saga: Breaking Dawn - Part 2"), Chris Hardwick ("Chris Hardwick: Mandroid"), Musical Guest Ben Folds Five.
Episode 146
John Goodman ("Flight"), Hayden Penettiere ("Nashville"), Music Guest Machine Gun Kelly.
Episode 147
Kirstie Alley ("The Art of Men (I Prefer Mine Al Dente)"), Animal Trainer Dave Salmoni, Musical Guest Tyler Bryant & The Shakedown.
Episode 148
Daniel Craig ("Sky Fall"), Stephenie Meyer ("Twilight Saga: Breaking Dawn - Part 2"), Musical Guest Boys Like Girls.
Episode 149
Jessica Lange ("American Horry Story"), Adam Pally ("Happy Endings"), Musical Guest Game feat. Tyga & Wiz Khalifa.
Episode 150
Christina Applegate ("Up All Night"), "Dancing with the Stars" Castoffs, Musical Guest Youngblood Hawk.
Episode 151
Martin Short, Suraj Sharma ("Life of Pi"), Musical Guest Ne-Yo.
Episode 152
Mel Brooks, Jake Tapper ("The Outpost: An Untold Story of American Valor"), Musical Guest Jason Aldean.
Episode 153
Eric Stonestreet ("Modern Family"), L.A. Reid ("X Factor"), Muiscal Guests Aimee Mann & James Mercer.
Episode 154
Andy Garcia ("A Dark Truth"), "Dancing with the Stars" Castoffs, Musical Guest Andy Allo.
Episode 155
Tim Allen ("Last Man Standing"), Manny Pacquiao, Musical Guest Flo Rida.
Episode 156
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 ("Malibu Country"), Mike Tyson, Melissa Rycroft & Tony Dovolani ("Dancing with the Stars"), Musical Guest Future.
Episode 158
Eric Bana ("Dead Fall"), Damian Lewis ("Homeland"), Musical Guest Wiz Khalifa.
Episode 159
Ted Danson ("CSI: Crime Scene Investigation"), Emilia Clarke ("Game of Thrones"), Musical Guest Larry g(EE)
Episode 160
Leslie Mann ("This Is 40"), Seth MacFarlane as Ted ("Ted"), Musical Guest Sarah Jaffe
Episode 161
John Krasinski ("Promised Land"), Mike Birbiglia ("Sleepwalk with Me"), Musical Guest Atlas Genius
Episode 162
TV host Carson Daly; actor Zachary Knighton ("Happy Endings"); musical guest Dan Deacon
Episode 163
Hugh Jackman ("Les Misérables"), Jenna Fischer ("The Office"), Musical Guest 2 Chainz.
Episode 164
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
Episode 166
