20x01 Whitney Cummings, Nicole
January 3, 2012 11:35 pm
20x02 Tracy Morgan, Rick & Corey Harrison, Shaggy
January 4, 2012 11:35 pm
20x03 Michelle Williams, Josh Lucas, Chris Cornell
January 5, 2012 11:35 pm
20x04 Glenn Close, Trevor Noah, Van Hunt
January 6, 2012 11:35 pm
20x05 Janet Jackson, Larry the Cable Guy, Eli Young Band
January 9, 2012 11:35 pm
20x06 Queen Latifah, Paul
January 10, 2012 11:35 pm
20x07 Liam Neeson, Jack's Mannequin
January 11, 2012 11:35 pm
20x08 Gerard Butler, Betty White
January 12, 2012 11:35 pm
20x09 Tilda Swinton, Jennifer Hudson, Graffiti6
January 13, 2012 11:35 pm
20x10 Sam Worthington, Sherri Shepherd, Adam Lambert
January 17, 2012 11:35 pm
20x11 Jennifer Garner, Ross Matthews, Parachute
January 18, 2012 11:35 pm
20x12 Wanda Sykes
January 19, 2012 11:35 pm
20x13 Steven Tyler, Ryan Seacrest, Randy Jackson, Sarah Colonna
January 20, 2012 11:35 pm
20x14 Madonna, Chris Colfer, Joe Perry
January 30, 2012 11:35 pm
20x15 Michelle Obama, Mark Harmon, Imelda May
January 31, 2012 11:35 pm
20x16 Daniel Radcliffe, Vanessa Hudgens, Evanescence
February 1, 2012 11:35 pm
20x17 Drew Barrymore, Blake Shelton
February 2, 2012 11:35 pm
20x18 Debra Messing, Jean Dujardin, Bush
February 3, 2012 11:35 pm
20x19 Dwayne Johnson, Miranda Cosgrove, Cirque du Soleil
February 6, 2012 11:35 pm
20x20 Chelsea Handler, Jon Huntsman, 2Cellos
February 7, 2012 11:35 pm
20x21 Chris Pine, Lisa Lampanelli, Anthony Hamilton
February 8, 2012 11:35 pm
20x22 Denzel Washington, Octavia Spencer, Estelle
February 9, 2012 11:35 pm
20x23 Rachel McAdams, Cee-Lo Green
February 10, 2012 11:35 pm
20x24 Jennifer Lopez, the Civil Wars
February 13, 2012 11:35 pm
20x25 Tyler Perry, Alexandra Wentworth, the Cranberries
February 14, 2012 11:35 pm
20x26 Bill Maher, Punch Brothers
February 15, 2012 11:35 pm
20x27 Amanda Seyfried, Billy Gardell, Monica, Brandy
February 16, 2012 11:35 pm
20x28 Christina Aguilera, Dave Salmoni, The Fray
February 17, 2012 11:35 pm
20x29 Taylor Swift, Michael Clarke Duncan, Robert Randolph, Los Lobos, Chris Layton
February 20, 2012 11:35 pm
20x30 Bill O'Reilly, Rob Riggle, Rumer
February 21, 2012 11:35 pm
20x31 Tim Allen, Rocket City Rednecks
February 22, 2012 11:35 pm
20x32 Meredith Vieira, Jackson Murphy
February 23, 2012 11:35 pm
20x33 Jennifer Aniston, Adam Levine
February 24, 2012 11:35 pm
20x34 Megan Fox, Michel Hazanavicius, Mariachi El Bronx
February 27, 2012 11:35 pm
20x35 Rob Schneider, Khloe Kardashian Odom, Mona
February 28, 2012 11:35 pm
20x36 Sen. John McCain, Elizabeth Olsen, Romeo Santos
February 29, 2012 11:35 pm
20x37 Julianne Moore, Dr. Brady Barr, Chickenfoot
March 1, 2012 11:35 pm
20x38 Emily Blunt, Geoff Stults, Scars on 45
March 2, 2012 11:35 pm
20x39 Jessica Simpson, Adam Carolla, Soja
March 12, 2012 11:35 pm
20x40 Jonah Hill, Bethenny Frankel, Shooter Jennings
March 13, 2012 11:35 pm
20x41 Channing Tatum, Drew Brees, Meat Loaf
March 14, 2012 11:35 pm
20x42 Kiefer Sutherland, Kathryn Hahn, Andy Grammer
March 15, 2012 11:35 pm
20x43 Jimmy Fallon, 8-year-old presidential whiz kid H.L. McCullough, Toby Keith
March 16, 2012 11:35 pm
20x44 Jamie Lee Curtis, Armie Hammer
March 19, 2012 11:35 pm
20x45 Rep. Ron Paul, Frank Caliendo, the Wanted
March 20, 2012 11:35 pm
20x46 Kim Kardashian
March 21, 2012 11:35 pm
20x47 Arsenio Hall, Lily Collins
March 22, 2012 11:35 pm
20x48 Christina Aguilera, Melanie Fiona featuring J. Cole
March 23, 2012 11:35 pm
20x49 Elizabeth Banks, Carson Daly
March 26, 2012 11:35 pm
20x50 The Pierces
March 27, 2012 11:35 pm
20x51 Rainn Wilson, Debbie Gibson, Gavin DeGraw
March 28, 2012 11:35 pm
20x52 Piers Morgan, Liam Hemsworth, Mat Kearney
March 29, 2012 11:35 pm
20x53 Nicole Richie, Alan Jackson
March 30, 2012 11:35 pm
20x54 Betty White, D.J. Pauly D
April 2, 2012 11:35 pm
20x55 Maya Rudolph, Jason Biggs, Gym Class Heroes
April 3, 2012 11:35 pm
20x56 David Gregory, Cee-Lo Green, Seal
April 4, 2012 11:35 pm
20x57 Zac Efron, Jennie Garth, Grace Potter and the Nocturnals
April 5, 2012 11:35 pm
20x58 Kristin Chenoweth, Julie Scardina, Rodrigo y Gabriela
April 6, 2012 11:35 pm
20x59 Jane Lynch, Kevin Hart, Esperanza Spalding
April 9, 2012 11:35 pm
20x60 Josh Hutcherson, Rachel Maddow, Eric Turner featuring Lupe Fiasco and Tinie Tempah
April 10, 2012 11:35 pm
20x61 Albert Brooks, Austin
April 11, 2012 11:35 pm
20x62 Blake Shelton, Chris Diamantopoulos, Feist
April 12, 2012 11:35 pm
20x63 Jason Segel, Anna Faris, Far East Movement
April 13, 2012 11:35 pm
20x64 Jesse Tyler Ferguson, Aubrey O'Day, Train
April 23, 2012 11:35 pm
20x65 Jack Black, Daniel Holzman & Michael Chernow, Beirut
April 24, 2012 11:35 pm
20x66 Adam Levine, Ziggy Marley
April 25, 2012 11:35 pm
20x67 Diane Keaton, Natalie Coughlin, Moby
April 26, 2012 11:35 pm
20x68 Mel Gibson, the Wanted
April 27, 2012 11:35 pm
20x69 Steve Martin, Rashida Jones, Steve Martin & the Steep Canyon Rangers
April 30, 2012 11:35 pm
20x70 Cameron Diaz, William Shatner, Lee Brice
May 1, 2012 11:35 pm
20x71 Scarlett Johansson, Blake Shelton, K'Naan featuring Nelly Furtado
May 2, 2012 11:35 pm
20x72 Robert Downey Jr., Katharine McPhee, Toast To Freedom
May 3, 2012 11:35 pm
20x73 Kristen Stewart, James Morrison
May 4, 2012 11:35 pm
20x74 Michelle Pfeiffer, Bear Grylls, Snow Patrol
May 7, 2012 11:35 pm
20x75 Rick Santorum, Taylor Kitsch, B.o.B., O.A.R.
May 8, 2012 11:35 pm
20x76 Garry Shandling, Alison Brie, the winner of 'The Voice'
May 9, 2012 11:35 pm
20x77 Howie Mandel, Vinny Guadagnino, Sara Watkins
May 10, 2012 11:35 pm
20x78 Jenna Fischer, Jay Mohr
May 11, 2012 11:35 pm
20x79 Kourtney, Kim & Khloe Kardashian, Donny Deutsch, Karmin
May 14, 2012 11:35 pm
20x80 Wanda Sykes, David Hasselhoff, Santana
May 15, 2012 11:35 pm
20x81 Joel McHale, Jarod Miller, Bobby Brown
May 16, 2012 11:35 pm
20x82 Hugh Laurie, Robert Griffin III
May 17, 2012 11:35 pm
20x83 Sherri Shepherd, Julianne Hough, Tenacious D
May 18, 2012 11:35 pm
20x84 Kevin Costner, Bailee Madison, Lisa Marie Presley
May 21, 2012 11:35 pm
20x85 Josh Brolin, Ali Wentworth, Glenn Frey
May 22, 2012 11:35 pm
20x86 Charlize Theron, Jeffrey Dean Morgan, Juanes
May 23, 2012 11:35 pm
20x87 Glenn Close, the winner of American Idol, Nelly Furtado
May 24, 2012 11:35 pm
20x88 Gen. Colin Powell, Greg Gadson, All American Rejects
May 25, 2012 11:35 pm
20x89 Martin Short, Aubrey Plaza, Def Leppard
June 4, 2012 11:35 pm
20x90 Emma Stone, Chris Hemsworth, Chris Robinson Brotherhood
June 5, 2012 11:35 pm
20x91 Julia Louis-Dreyfus, the Beach Boys
June 6, 2012 11:35 pm
20x92 Catherine Zeta-Jones, Louis Zamperini, Bret Michaels
June 7, 2012 11:35 pm
20x93 Tom Cruise, skydivers Felix Baumgartner & Joe Kittinger, Kool & the Gang
June 8, 2012 11:35 pm
20x94 Elizabeth Banks, Dan Patrick, Brandi Carlisle
June 11, 2012 11:35 pm
20x95 Patrick Duffy, Linda Grey, Larry Hagman, Meghan McCain, Meiko
June 12, 2012 11:35 pm
20x96 Terry Bradshaw, Ernie Brown Jr., Neal James, Rachel Bradshaw
June 13, 2012 11:35 pm
20x97 Penelope Cruz, Rick Harrison, We Are Augustines
June 14, 2012 11:35 pm
20x98 Salma Hayek, Adam Brody, Olly Murs
June 15, 2012 11:35 pm
20x99 Steve Carell, Cory Booker, Glen Hansard
June 18, 2012 11:35 pm
20x100 Matthew McConaughey, Natasha Leggero, Grouplove
June 19, 2012 11:35 pm
20x101 Andy Samberg, Seth MacFarlane, Joe Henry featuring Lisa Hannigan
June 20, 2012 11:35 pm
20x102 Katy Perry, Needtobreathe
June 21, 2012 11:35 pm
20x103 Chris Pine, Rachael Ray, Everclear
June 22, 2012 11:35 pm
20x104 Louis C.K., Lolo Jones, Delta Rae
June 25, 2012 11:35 pm
20x105 Matt LeBlanc, Sig Hansen & Keith Colburn, Robin Thicke
June 26, 2012 11:35 pm
20x106 Mila Kunis, Jim Norton, Justin Bieber
June 27, 2012 11:35 pm
20x107 Tyler Perry, Rhys Ifans, Keane
June 28, 2012 11:35 pm
20x108 Andrew Garfield, Of Monsters And Men
June 29, 2012 11:35 pm
20x109 Wanda Sykes, Rob Riggle, Kimbra
July 9, 2012 11:35 pm
20x110 Zachary Levi, B.o.B.
July 10, 2012 11:35 pm
20x111 Morgan Freeman,
July 11, 2012 11:35 pm
20x112 Denis Leary, Olivia Munn, Kenny Chesney
July 12, 2012 11:35 pm
20x113 Dana Carvey, Nicki Minaj
July 13, 2012 11:35 pm
20x114 Charlie Sheen
July 16, 2012 11:35 pm
20x115 Kate Beckinsale, Adam Carolla
July 17, 2012 11:35 pm
20x116 Newt Gingrich, Nicole
July 18, 2012 11:35 pm
20x117 Rachel Weisz, Aaron Paul
July 19, 2012 11:35 pm
20x118 Ben Stiller, Rose Byrne, Missy Higgins
July 20, 2012 11:35 pm
20x119 Vince Vaughn, Travis Pastrana, Aretha Franklin
July 23, 2012 11:35 pm
20x120 Colin Farrell, Jenni
July 24, 2012 11:35 pm
20x121 Jessica Biel, Kevin Smith, the Lumineers
July 25, 2012 11:35 pm
20x122 Julie Scardina, Dwyane Wade, MoZella
July 26, 2012 11:35 pm
20x123 Jeremy Renner, Betty White, Joss Stone
July 27, 2012 11:35 pm
20x124 Michelle Obama, Norah Jones
August 13, 2012 11:35 pm
20x125 Kelsey Grammer, Jordan Burroughs, Ryan Star
August 14, 2012 11:35 pm
20x126 Sylvester Stallone, Missy Franklin, Dwight Yoakam
August 15, 2012 11:35 pm
20x127 Kristen Bell, Ryan Lochte, Regina Spektor
August 16, 2012 11:35 pm
20x128 Jason Statham, Allyson Felix, the Offspring
August 17, 2012 11:35 pm
20x129 Maya Rudolph, Jeff Foxworthy, Morning Parade
August 20, 2012 11:35 pm
20x130 Shia LaBeouf, Jean-Claude Van Damme, fun.
August 21, 2012 11:35 pm
20x131 Katie Couric, Dax Shepard, Emeli Sande
August 22, 2012 11:35 pm
20x132 Kirsten Dunst, Chris Matthews, Smashing Pumpkins
August 23, 2012 11:35 pm
20x133 Howie Mandel, Alejandro Escovedo
August 24, 2012 11:35 pm
20x134 Dennis Miller, Joshua Radin
August 27, 2012 11:35 pm
20x135 Owl City with Carly Rae Jepsen
August 28, 2012 11:35 pm
20x136 Bill Maher, Tristan Prettyman
August 29, 2012 11:35 pm
20x137 Savannah Guthrie, Dolph Lundgren
August 30, 2012 11:35 pm
20x138 Lauren Graham, Dan Patrick
August 31, 2012 11:35 pm
20x139 Kevin Hart, Rep. Ron Paul, Robert Cray
September 4, 2012 11:35 pm
20x140 Adam Levine, Magic Johnson, Grace Potter
September 5, 2012 11:35 pm
20x141 Ellen DeGeneres, Josh Lucas, Billy Ray Cyrus
September 6, 2012 11:35 pm
20x142 Matthew Perry, Meghan McCain, OneRepublic
September 7, 2012 11:35 pm
20x143 Richard Gere, Anthony Robles, Rascal Flatts
September 17, 2012 11:35 pm
20x144 Justin Timberlake, Steve Nash, Ryan Bingham
September 18, 2012 11:35 pm
20x145 Amy Poehler, Joe Scarborough, Big & Rich
September 19, 2012 11:35 pm
20x146 Viola Davis, Paul Wesley, Bonnie Raitt
September 20, 2012 11:35 pm
20x147 Zooey Deschanel, Anthony Anderson, ZZ Top
September 21, 2012 11:35 pm
20x148 David Spade, Giancarlo Esposito, Rebecca Ferguson
September 24, 2012 11:35 pm
20x149 Ann Romney, Seth MacFarlane, Bettye LaVette
September 25, 2012 11:35 pm
20x150 Kirstie Alley, Mike
September 26, 2012 11:35 pm
20x151 Liam Neeson, Lisa Lampanelli, the Gaslight Anthem
September 27, 2012 11:35 pm
20x152 Christina Aguilera, Sherri Shepherd, the Piano Guys
September 28, 2012 11:35 pm
20x153 Bryan Cranston, Rebel Wilson, Cher Lloyd
October 1, 2012 11:35 pm
20x154 Carol Burnett, Armie Hammer, Lang Lang
October 2, 2012 11:35 pm
20x155 Christina Applegate, Apolo Anton Ohno
October 3, 2012 11:35 pm
20x156 Ben Affleck, Octavia Spencer, Neon Trees
October 4, 2012 11:35 pm
20x157 Colin Farrell, Medal of Honor recipient Dakota Meyer, the Hives
October 5, 2012 11:35 pm
20x158 Arnold Schwarzenegger, Bubba Watson, the Wallflowers
October 8, 2012 11:35 pm
20x159 Tyler Perry, Oscar Pistorius, Plain White T's
October 9, 2012 11:35 pm
20x160 Chelsea Handler, Placido Domingo
October 10, 2012 11:35 pm
20x161 Terry Bradshaw, Mark Kelly, Grizzly Bear
October 11, 2012 11:35 pm
20x162 Whitney Cummings, Rove McManus, the Script
October 12, 2012 11:35 pm
20x163 Halle Berry, Ali Wentworth, Gary Clark Jr.
October 22, 2012 11:35 pm
20x164 Denzel Washington, Richard Engel, M. Ward
October 23, 2012 11:35 pm
20x165 President Barack Obama, No Doubt
October 24, 2012 11:35 pm
20x166 Russell Brand, Jane Lynch
October 25, 2012 11:35 pm
20x167 Sarah Silverman, Paula Deen
October 26, 2012 11:35 pm
20x168 Simon Cowell, Britney Spears, Billy Gardell, Two Door Cinema Club
October 29, 2012 11:35 pm
20x169 John C. Reilly, Jenni
October 30, 2012 11:35 pm
20x170 Taylor Lautner, Lior Suchard, Macy Gray
October 31, 2012 11:35 pm
20x171 Jamie Lee Curtis, Maggie Elizabeth Jones, ZZ Ward
November 1, 2012 11:35 pm
20x172 Marion Cotillard, Olate Dogs
November 2, 2012 11:35 pm
20x173 Kristen Stewart, Dax Shepard, Kip Moore
November 5, 2012 11:35 pm
20x174 Daniel Craig, Dave Salmoni, Diamond Rings
November 7, 2012 11:35 pm
20x175 Sally Field, Chris Matthews, Lord Huron
November 8, 2012 11:35 pm
20x176 Meredith Vieira & Richard Cohen, Christina Perri
November 9, 2012 11:35 pm
20x177 Lea Michele, Nev Schulman, Toby Keith
November 12, 2012 11:35 pm
20x178 Keira Knightley, Whitney Cummings, Gin Wigmore
November 13, 2012 11:35 pm
20x179 Helen Hunt, Paul „DJ Pauly D“ DelVecchio, Kylie Minogue
November 14, 2012 11:35 pm
20x180 Tim Allen, Nolan Gould, Switchfoot
November 15, 2012 11:35 pm
20x181 Chris Matthews, the Mowgli's
November 16, 2012 11:35 pm
20x182 Jennifer Lawrence, cast of “Duck Dynasty”, Andy Grammer
November 19, 2012 11:35 pm
Oscar-nominated actress Jennifer Lawrence; from “Duck Dynasty”, Phil & Willie Robertson; music from Andy Grammer.
20x183 Lindsay Lohan, David Gregory, Wanda Jackson
November 20, 2012 11:35 pm
20x184 Joseph Gordon-Levitt, Kris Jenner, Dan Cummings
November 21, 2012 11:35 pm
20x185 Bradley Cooper, Natasha Leggero, PSY
November 22, 2012 11:35 pm
20x186 Jim Parsons, Maggie Elizabeth Jones, Delta Rae
November 26, 2012 11:35 pm
20x187 Julie Bowen, Rocket City Rednecks, Milo Greene
November 27, 2012 11:35 pm
20x188 Wanda Sykes, Blake Shelton
November 28, 2012 11:35 pm
20x189 Newt Gingrich, Ron Shirley, Grouplove
November 29, 2012 11:35 pm
20x190 Marisa Tomei, Carson Daly, Il Volo
November 30, 2012 11:35 pm
20x191 Gerard Butler, Olivia Munn, the Polyphonic Spree
December 3, 2012 11:35 pm
20x192 Khloe Kardashian Odom, Adam Carolla, Matisyahu
December 4, 2012 11:35 pm
20x193 Don Johnson, Julie Scardina, Darius Rucker
December 5, 2012 11:35 pm
20x194 Bill O'Reilly, Krysten Ritter, Paloma Faith
December 6, 2012 11:35 pm
20x195 Leslie Mann, Jim Rome, Garbage
December 7, 2012 11:35 pm
20x196 Matt Damon, Chris Pratt, Of Monsters And Men
December 10, 2012 11:35 pm
20x197 Ewan McGregor, Bailee Madison, Allen Stone
December 11, 2012 11:35 pm
20x198 Albert Brooks, Kerry Washington, Willy Moon
December 12, 2012 11:35 pm
20x199 Hugh Jackman, Justin Willman, JD McPherson
December 13, 2012 11:35 pm
From "Les Misérables", Actor Hugh Jackman; magician Justin Willman; music act JD McPherson.
Maria Sharapova preempted.
Maria Sharapova preempted.
20x200 Bette Midler, Judd Apatow, Pentatonix
December 14, 2012 11:35 pm
20x201 Megan Fox, Johnny Manziel, Colbie Caillat
December 17, 2012 11:35 pm
20x202 Quentin Tarantino, LeAnn Rimes
December 18, 2012 11:35 pm
20x203 Jamie Foxx, Carl Reiner, the winner of “The Voice”
December 19, 2012 11:35 pm
20x204 Katherine Heigl, Marjorie Johnson, Johnny Mathis
December 20, 2012 11:35 pm
20x205 Terry Bradshaw, Elle Fanning, Chris Mann
December 21, 2012 11:35 pm
