Aired: 1/3/2012
Aired: 1/4/2012
Aired: 1/5/2012
Aired: 1/6/2012
Aired: 1/9/2012
Aired: 1/10/2012
Aired: 1/11/2012
Aired: 1/12/2012
Aired: 1/17/2012
Aired: 1/18/2012
Aired: 1/19/2012
Aired: 1/20/2012
Aired: 1/23/2012
Aired: 1/24/2012
Aired: 1/25/2012
Aired: 1/26/2012
Aired: 1/30/2012
Aired: 1/31/2012
Aired: 2/1/2012
Director Martin Scorsese ("Hugo"); Kenneth Branagh ("My Week With Marilyn"). Also: Angels & Airwaves perform.
Aired: 2/2/2012
Aired: 2/6/2012
Aired: 2/7/2012
Aired: 2/8/2012
Aired: 2/9/2012
Aired: 2/13/2012
Aired: 2/14/2012
Aired: 2/15/2012
Aired: 2/16/2012
Aired: 2/21/2012
Aired: 2/22/2012
Aired: 2/23/2012
Aired: 2/26/2012
Oprah Winfrey; Musical Guest Coldplay
Aired: 2/27/2012
Aired: 2/28/2012
“Dancing with the Stars” contestant Maria Menounos; musical guest Mat Kearney.
Aired: 2/29/2012
Aired: 3/1/2012
Aired: 3/12/2012
Aired: 3/13/2012
Actor/comedian Will Ferrell; actress Ellie Kemper; music from Allen Stone.
Aired: 3/14/2012
Aired: 3/15/2012
Actor Channing Tatum; actress Genesis Rodriguez.
Aired: 3/19/2012
Actress Jessica Simpson; actor Gael García Bernal.
Aired: 3/20/2012
Actress Kristen Bell; actor/musician Ice Cube; musical guests KISS.
Aired: 3/21/2012
Aired: 3/22/2012
Aired: 3/26/2012
Actress Zooey Deschanel; actor Steven Seagal; musical guests Shinedown.
Aired: 3/27/2012
Aired: 3/28/2012
Aired: 3/29/2012
Aired: 4/2/2012
Aired: 4/3/2012
Aired: 4/4/2012
Aired: 4/5/2012
Aired: 4/9/2012
Aired: 4/10/2012
Aired: 4/11/2012
Aired: 4/12/2012
Aired: 4/16/2012
Aired: 4/17/2012
Aired: 4/18/2012
Aired: 4/19/2012
Aired: 4/23/2012
Actress Julia Louis-Dreyfus; Scrabble champions Andy Hoang & Erik Salgado; musical guests The Hives.
Aired: 4/24/2012
Aired: 4/25/2012
Aired: 4/26/2012
Aired: 4/30/2012
Aired: 5/1/2012
Aired: 5/2/2012
Aired: 5/3/2012
Aired: 5/7/2012
Aired: 5/8/2012
Aired: 5/9/2012
Aired: 5/10/2012
Aired: 5/16/2012
Aired: 5/17/2012
Aired: 5/18/2012
Aired: 5/21/2012
Aired: 5/22/2012
Aired: 5/23/2012
Aired: 5/24/2012
Aired: 6/4/2012
Aired: 6/5/2012
Actor/comedian Andy Samberg; National Spelling Bee Champion Snigdha Nandipati; musical guests Edward Sharpe & The Magnetic Zeros.
Aired: 6/6/2012
Aired: 6/7/2012
Aired: 6/12/2012
Aired: 6/14/2012
Aired: 6/19/2012
Aired: 6/21/2012
Aired: 6/25/2012
Aired: 6/26/2012
Aired: 6/27/2012
Aired: 6/28/2012
Aired: 7/9/2012
Aired: 7/10/2012
Aired: 7/11/2012
Aired: 7/12/2012
Aired: 7/16/2012
Aired: 7/17/2012
Aired: 7/18/2012
Aired: 7/19/2012
Aired: 7/23/2012
Aired: 7/24/2012
Aired: 7/25/2012
Aired: 7/26/2012
Aired: 8/13/2012
Aired: 8/14/2012
Aired: 8/15/2012
Aired: 8/16/2012
Aired: 8/20/2012
Aired: 8/21/2012
Aired: 8/22/2012
Aired: 8/23/2012
Aired: 9/4/2012
Aired: 9/5/2012
Aired: 9/6/2012
Aired: 9/10/2012
Aired: 9/11/2012
Aired: 9/12/2012
Aired: 9/13/2012
Aired: 9/17/2012
Aired: 9/18/2012
Aired: 9/19/2012
Aired: 9/24/2012
Aired: 9/25/2012
Aired: 9/26/2012
Aired: 9/27/2012
Aired: 10/1/2012
Aired: 10/2/2012
Aired: 10/3/2012
Aired: 10/4/2012
Zac Efron (The Paper Boy), Jack Black, Kyle Glass, Musical Guest Tenacious D
Aired: 10/8/2012
Ben Affleck (Argo), Demi Lovato (X Factor), Musical Guest Ben Howard
Aired: 10/9/2012
Megan Mullally (Smashed), Drew Lachey, Anna Trebunskaya, Helio Castroneves, Chelsie Hightower, Musical Guest Father John Misty
Aired: 10/10/2012
Will Arnett (Up All Night), Chris Elliot (The Guy Under the Sheets: The Unauthorized Autobiography), Musical Guest Dwight Yoakam
Aired: 10/11/2012
Kevin James (Here Comes the Boom), Ezra Miller (The Perks of Being a Wallflower)
Aired: 10/15/2012
Aziz Ansari (Parks and Recreation), Alana "Honey Boo Boo" Thompson and June "Mama" Shannon (Here Comes Honey Boo Boo), Musical Guest Josh Turner
Aired: 10/16/2012
Don Rickles (Performing at the Taj Mahal in Atlantic City), Dancing with the Stars Castoff, Musical Guest Miguel
Aired: 10/17/2012
Joel McHale (Community), Joe Walsh, Musical Guest Joe Walsh
Aired: 10/18/2012
Matthew Fox (Alex Cross), Emily VanCamp (Revenge), Musical Guest Paul Weller
Aired: 10/23/2012
Jerry O'Connell, Russell Peters, Musical Guest Prince
Aired: 10/24/2012
Axl Rose (The Guns and Roses Residency), Ana Gasteyer (Suburgatory), Musical Guest The Whigs
Aired: 10/25/2012
First Lady Michelle Obama, Halle Berry (Cloud Atlas), Musical Guest Ciara
Aired: 10/29/2012
Kelly Ripa (Live with Kelly and Michael), Musical Guest Alicia Keys
Aired: 10/30/2012
Howard Stern, Tracy Morgan, Musical Guest Sharon Jones & the Dap-Kings
Aired: 10/31/2012
David Letterman ("Late Show with David Letterman"), Musical Guest Vampire Weekend.
Aired: 11/1/2012
Jon Stewart ("The Daily Show") & Stephen Colbert ("The Colbert Report"), Musical Guest The Avett Brothers with the Brooklyn Philharmonic.
Aired: 11/5/2012
Robert Pattinson ("Twilight Saga: Breaking Dawn - Part 2"), Chris Hardwick ("Chris Hardwick: Mandroid"), Musical Guest Ben Folds Five.
Aired: 11/7/2012
John Goodman ("Flight"), Hayden Penettiere ("Nashville"), Music Guest Machine Gun Kelly.
Aired: 11/8/2012
Kirstie Alley ("The Art of Men (I Prefer Mine Al Dente)"), Animal Trainer Dave Salmoni, Musical Guest Tyler Bryant & The Shakedown.
Aired: 11/9/2012
Daniel Craig ("Sky Fall"), Stephenie Meyer ("Twilight Saga: Breaking Dawn - Part 2"), Musical Guest Boys Like Girls.
Aired: 11/12/2012
Jessica Lange ("American Horry Story"), Adam Pally ("Happy Endings"), Musical Guest Game feat. Tyga & Wiz Khalifa.
Aired: 11/13/2012
Christina Applegate ("Up All Night"), "Dancing with the Stars" Castoffs, Musical Guest Youngblood Hawk.
Aired: 11/14/2012
Martin Short, Suraj Sharma ("Life of Pi"), Musical Guest Ne-Yo.
Aired: 11/15/2012
Mel Brooks, Jake Tapper ("The Outpost: An Untold Story of American Valor"), Musical Guest Jason Aldean.
Aired: 11/19/2012
Eric Stonestreet ("Modern Family"), L.A. Reid ("X Factor"), Muiscal Guests Aimee Mann & James Mercer.
Aired: 11/20/2012
Andy Garcia ("A Dark Truth"), "Dancing with the Stars" Castoffs, Musical Guest Andy Allo.
Aired: 11/21/2012
Tim Allen ("Last Man Standing"), Manny Pacquiao, Musical Guest Flo Rida.
Aired: 11/26/2012
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.
Aired: 11/27/2012
Reba McEntire ("Malibu Country"), Mike Tyson, Melissa Rycroft & Tony Dovolani ("Dancing with the Stars"), Musical Guest Future.
Aired: 11/28/2012
Eric Bana ("Dead Fall"), Damian Lewis ("Homeland"), Musical Guest Wiz Khalifa.
Aired: 12/10/2012
Ted Danson ("CSI: Crime Scene Investigation"), Emilia Clarke ("Game of Thrones"), Musical Guest Larry g(EE)
Aired: 12/11/2012
Leslie Mann ("This Is 40"), Seth MacFarlane as Ted ("Ted"), Musical Guest Sarah Jaffe
Aired: 12/12/2012
John Krasinski ("Promised Land"), Mike Birbiglia ("Sleepwalk with Me"), Musical Guest Atlas Genius
Aired: 12/13/2012
TV host Carson Daly; actor Zachary Knighton ("Happy Endings"); musical guest Dan Deacon
Aired: 12/17/2012
Hugh Jackman ("Les Misérables"), Jenna Fischer ("The Office"), Musical Guest 2 Chainz.
Aired: 12/18/2012
Samuel L. Jackson ("Django Unchained"); the cast of "Jersey Shore": Snooki, JWoww, Pauly D., Vinny, Sami, Ronnie, Mike and Deena; Musical Guest Ed Sheeran
Aired: 12/19/2012
Aired: 12/20/2012