Season 20
episodes
1.Whitney Cummings, Nicole
Jan 3, 2012
2.Tracy Morgan, Rick & Corey Harrison, Shaggy
Jan 4, 2012
3.Michelle Williams, Josh Lucas, Chris Cornell
Jan 5, 2012
4.Glenn Close, Trevor Noah, Van Hunt
Jan 6, 2012
5.Janet Jackson, Larry the Cable Guy, Eli Young Band
Jan 9, 2012
6.Queen Latifah, Paul
Jan 10, 2012
7.Liam Neeson, Jack's Mannequin
Jan 11, 2012
8.Gerard Butler, Betty White
Jan 12, 2012
9.Tilda Swinton, Jennifer Hudson, Graffiti6
Jan 13, 2012
10.Sam Worthington, Sherri Shepherd, Adam Lambert
Jan 17, 2012
11.Jennifer Garner, Ross Matthews, Parachute
Jan 18, 2012
12.Wanda Sykes
Jan 19, 2012
13.Steven Tyler, Ryan Seacrest, Randy Jackson, Sarah Colonna
Jan 20, 2012
14.Madonna, Chris Colfer, Joe Perry
Jan 30, 2012
15.Michelle Obama, Mark Harmon, Imelda May
Jan 31, 2012
16.Daniel Radcliffe, Vanessa Hudgens, Evanescence
Feb 1, 2012
17.Drew Barrymore, Blake Shelton
Feb 2, 2012
18.Debra Messing, Jean Dujardin, Bush
Feb 3, 2012
19.Dwayne Johnson, Miranda Cosgrove, Cirque du Soleil
Feb 6, 2012
20.Chelsea Handler, Jon Huntsman, 2Cellos
Feb 7, 2012
21.Chris Pine, Lisa Lampanelli, Anthony Hamilton
Feb 8, 2012
22.Denzel Washington, Octavia Spencer, Estelle
Feb 9, 2012
23.Rachel McAdams, Cee-Lo Green
Feb 10, 2012
24.Jennifer Lopez, the Civil Wars
Feb 13, 2012
25.Tyler Perry, Alexandra Wentworth, the Cranberries
Feb 14, 2012
26.Bill Maher, Punch Brothers
Feb 15, 2012
27.Amanda Seyfried, Billy Gardell, Monica, Brandy
Feb 16, 2012
28.Christina Aguilera, Dave Salmoni, The Fray
Feb 17, 2012
29.Taylor Swift, Michael Clarke Duncan, Robert Randolph, Los Lobos, Chris Layton
Feb 20, 2012
30.Bill O'Reilly, Rob Riggle, Rumer
Feb 21, 2012
31.Tim Allen, Rocket City Rednecks
Feb 22, 2012
32.Meredith Vieira, Jackson Murphy
Feb 23, 2012
33.Jennifer Aniston, Adam Levine
Feb 24, 2012
34.Megan Fox, Michel Hazanavicius, Mariachi El Bronx
Feb 27, 2012
35.Rob Schneider, Khloe Kardashian Odom, Mona
Feb 28, 2012
36.Sen. John McCain, Elizabeth Olsen, Romeo Santos
Feb 29, 2012
37.Julianne Moore, Dr. Brady Barr, Chickenfoot
Mar 1, 2012
38.Emily Blunt, Geoff Stults, Scars on 45
Mar 2, 2012
39.Jessica Simpson, Adam Carolla, Soja
Mar 12, 2012
40.Jonah Hill, Bethenny Frankel, Shooter Jennings
Mar 13, 2012
41.Channing Tatum, Drew Brees, Meat Loaf
Mar 14, 2012
42.Kiefer Sutherland, Kathryn Hahn, Andy Grammer
Mar 15, 2012
43.Jimmy Fallon, 8-year-old presidential whiz kid H.L. McCullough, Toby Keith
Mar 16, 2012
44.Jamie Lee Curtis, Armie Hammer
Mar 19, 2012
45.Rep. Ron Paul, Frank Caliendo, the Wanted
Mar 20, 2012
46.Kim Kardashian
Mar 21, 2012
47.Arsenio Hall, Lily Collins
Mar 22, 2012
48.Christina Aguilera, Melanie Fiona featuring J. Cole
Mar 23, 2012
49.Elizabeth Banks, Carson Daly
Mar 26, 2012
50.The Pierces
Mar 27, 2012
51.Rainn Wilson, Debbie Gibson, Gavin DeGraw
Mar 28, 2012
52.Piers Morgan, Liam Hemsworth, Mat Kearney
Mar 29, 2012
53.Nicole Richie, Alan Jackson
Mar 30, 2012
54.Betty White, D.J. Pauly D
Apr 2, 2012
55.Maya Rudolph, Jason Biggs, Gym Class Heroes
Apr 3, 2012
56.David Gregory, Cee-Lo Green, Seal
Apr 4, 2012
57.Zac Efron, Jennie Garth, Grace Potter and the Nocturnals
Apr 5, 2012
58.Kristin Chenoweth, Julie Scardina, Rodrigo y Gabriela
Apr 6, 2012
59.Jane Lynch, Kevin Hart, Esperanza Spalding
Apr 9, 2012
60.Josh Hutcherson, Rachel Maddow, Eric Turner featuring Lupe Fiasco and Tinie Tempah
Apr 10, 2012
61.Albert Brooks, Austin
Apr 11, 2012
62.Blake Shelton, Chris Diamantopoulos, Feist
Apr 12, 2012
63.Jason Segel, Anna Faris, Far East Movement
Apr 13, 2012
64.Jesse Tyler Ferguson, Aubrey O'Day, Train
Apr 23, 2012
65.Jack Black, Daniel Holzman & Michael Chernow, Beirut
Apr 24, 2012
66.Adam Levine, Ziggy Marley
Apr 25, 2012
67.Diane Keaton, Natalie Coughlin, Moby
Apr 26, 2012
68.Mel Gibson, the Wanted
Apr 27, 2012
69.Steve Martin, Rashida Jones, Steve Martin & the Steep Canyon Rangers
Apr 30, 2012
70.Cameron Diaz, William Shatner, Lee Brice
May 1, 2012
71.Scarlett Johansson, Blake Shelton, K'Naan featuring Nelly Furtado
May 2, 2012
72.Robert Downey Jr., Katharine McPhee, Toast To Freedom
May 3, 2012
73.Kristen Stewart, James Morrison
May 4, 2012
74.Michelle Pfeiffer, Bear Grylls, Snow Patrol
May 7, 2012
75.Rick Santorum, Taylor Kitsch, B.o.B., O.A.R.
May 8, 2012
76.Garry Shandling, Alison Brie, the winner of 'The Voice'
May 9, 2012
77.Howie Mandel, Vinny Guadagnino, Sara Watkins
May 10, 2012
78.Jenna Fischer, Jay Mohr
May 11, 2012
79.Kourtney, Kim & Khloe Kardashian, Donny Deutsch, Karmin
May 14, 2012
80.Wanda Sykes, David Hasselhoff, Santana
May 15, 2012
81.Joel McHale, Jarod Miller, Bobby Brown
May 16, 2012
82.Hugh Laurie, Robert Griffin III
May 17, 2012
83.Sherri Shepherd, Julianne Hough, Tenacious D
May 18, 2012
84.Kevin Costner, Bailee Madison, Lisa Marie Presley
May 21, 2012
85.Josh Brolin, Ali Wentworth, Glenn Frey
May 22, 2012
86.Charlize Theron, Jeffrey Dean Morgan, Juanes
May 23, 2012
87.Glenn Close, the winner of American Idol, Nelly Furtado
May 24, 2012
88.Gen. Colin Powell, Greg Gadson, All American Rejects
May 25, 2012
89.Martin Short, Aubrey Plaza, Def Leppard
Jun 4, 2012
90.Emma Stone, Chris Hemsworth, Chris Robinson Brotherhood
Jun 5, 2012
91.Julia Louis-Dreyfus, the Beach Boys
Jun 6, 2012
92.Catherine Zeta-Jones, Louis Zamperini, Bret Michaels
Jun 7, 2012
93.Tom Cruise, skydivers Felix Baumgartner & Joe Kittinger, Kool & the Gang
Jun 8, 2012
94.Elizabeth Banks, Dan Patrick, Brandi Carlisle
Jun 11, 2012
95.Patrick Duffy, Linda Grey, Larry Hagman, Meghan McCain, Meiko
Jun 12, 2012
96.Terry Bradshaw, Ernie Brown Jr., Neal James, Rachel Bradshaw
Jun 13, 2012
97.Penelope Cruz, Rick Harrison, We Are Augustines
Jun 14, 2012
98.Salma Hayek, Adam Brody, Olly Murs
Jun 15, 2012
99.Steve Carell, Cory Booker, Glen Hansard
Jun 18, 2012
100.Matthew McConaughey, Natasha Leggero, Grouplove
Jun 19, 2012
101.Andy Samberg, Seth MacFarlane, Joe Henry featuring Lisa Hannigan
Jun 20, 2012
102.Katy Perry, Needtobreathe
Jun 21, 2012
103.Chris Pine, Rachael Ray, Everclear
Jun 22, 2012
104.Louis C.K., Lolo Jones, Delta Rae
Jun 25, 2012
105.Matt LeBlanc, Sig Hansen & Keith Colburn, Robin Thicke
Jun 26, 2012
106.Mila Kunis, Jim Norton, Justin Bieber
Jun 27, 2012
107.Tyler Perry, Rhys Ifans, Keane
Jun 28, 2012
108.Andrew Garfield, Of Monsters And Men
Jun 29, 2012
109.Wanda Sykes, Rob Riggle, Kimbra
Jul 9, 2012
110.Zachary Levi, B.o.B.
Jul 10, 2012
111.Morgan Freeman,
Jul 11, 2012
112.Denis Leary, Olivia Munn, Kenny Chesney
Jul 12, 2012
113.Dana Carvey, Nicki Minaj
Jul 13, 2012
114.Charlie Sheen
Jul 16, 2012
115.Kate Beckinsale, Adam Carolla
Jul 17, 2012
116.Newt Gingrich, Nicole
Jul 18, 2012
117.Rachel Weisz, Aaron Paul
Jul 19, 2012
118.Ben Stiller, Rose Byrne, Missy Higgins
Jul 20, 2012
119.Vince Vaughn, Travis Pastrana, Aretha Franklin
Jul 23, 2012
120.Colin Farrell, Jenni
Jul 24, 2012
121.Jessica Biel, Kevin Smith, the Lumineers
Jul 25, 2012
122.Julie Scardina, Dwyane Wade, MoZella
Jul 26, 2012
123.Jeremy Renner, Betty White, Joss Stone
Jul 27, 2012
124.Michelle Obama, Norah Jones
Aug 13, 2012
125.Kelsey Grammer, Jordan Burroughs, Ryan Star
Aug 14, 2012
126.Sylvester Stallone, Missy Franklin, Dwight Yoakam
Aug 15, 2012
127.Kristen Bell, Ryan Lochte, Regina Spektor
Aug 16, 2012
128.Jason Statham, Allyson Felix, the Offspring
Aug 17, 2012
129.Maya Rudolph, Jeff Foxworthy, Morning Parade
Aug 20, 2012
130.Shia LaBeouf, Jean-Claude Van Damme, fun.
Aug 21, 2012
131.Katie Couric, Dax Shepard, Emeli Sande
Aug 22, 2012
132.Kirsten Dunst, Chris Matthews, Smashing Pumpkins
Aug 23, 2012
133.Howie Mandel, Alejandro Escovedo
Aug 24, 2012
134.Dennis Miller, Joshua Radin
Aug 27, 2012
135.Owl City with Carly Rae Jepsen
Aug 28, 2012
136.Bill Maher, Tristan Prettyman
Aug 29, 2012
137.Savannah Guthrie, Dolph Lundgren
Aug 30, 2012
138.Lauren Graham, Dan Patrick
Aug 31, 2012
139.Kevin Hart, Rep. Ron Paul, Robert Cray
Sep 4, 2012
140.Adam Levine, Magic Johnson, Grace Potter
Sep 5, 2012
141.Ellen DeGeneres, Josh Lucas, Billy Ray Cyrus
Sep 6, 2012
142.Matthew Perry, Meghan McCain, OneRepublic
Sep 7, 2012
143.Richard Gere, Anthony Robles, Rascal Flatts
Sep 17, 2012
144.Justin Timberlake, Steve Nash, Ryan Bingham
Sep 18, 2012
145.Amy Poehler, Joe Scarborough, Big & Rich
Sep 19, 2012
146.Viola Davis, Paul Wesley, Bonnie Raitt
Sep 20, 2012
147.Zooey Deschanel, Anthony Anderson, ZZ Top
Sep 21, 2012
148.David Spade, Giancarlo Esposito, Rebecca Ferguson
Sep 24, 2012
149.Ann Romney, Seth MacFarlane, Bettye LaVette
Sep 25, 2012
150.Kirstie Alley, Mike
Sep 26, 2012
151.Liam Neeson, Lisa Lampanelli, the Gaslight Anthem
Sep 27, 2012
152.Christina Aguilera, Sherri Shepherd, the Piano Guys
Sep 28, 2012
153.Bryan Cranston, Rebel Wilson, Cher Lloyd
Oct 1, 2012
154.Carol Burnett, Armie Hammer, Lang Lang
Oct 2, 2012
155.Christina Applegate, Apolo Anton Ohno
Oct 3, 2012
156.Ben Affleck, Octavia Spencer, Neon Trees
Oct 4, 2012
157.Colin Farrell, Medal of Honor recipient Dakota Meyer, the Hives
Oct 5, 2012
158.Arnold Schwarzenegger, Bubba Watson, the Wallflowers
Oct 8, 2012
159.Tyler Perry, Oscar Pistorius, Plain White T's
Oct 9, 2012
160.Chelsea Handler, Placido Domingo
Oct 10, 2012
161.Terry Bradshaw, Mark Kelly, Grizzly Bear
Oct 11, 2012
162.Whitney Cummings, Rove McManus, the Script
Oct 12, 2012
163.Halle Berry, Ali Wentworth, Gary Clark Jr.
Oct 22, 2012
164.Denzel Washington, Richard Engel, M. Ward
Oct 23, 2012
165.President Barack Obama, No Doubt
Oct 24, 2012
166.Russell Brand, Jane Lynch
Oct 25, 2012
167.Sarah Silverman, Paula Deen
Oct 26, 2012
168.Simon Cowell, Britney Spears, Billy Gardell, Two Door Cinema Club
Oct 29, 2012
169.John C. Reilly, Jenni
Oct 30, 2012
170.Taylor Lautner, Lior Suchard, Macy Gray
Oct 31, 2012
171.Jamie Lee Curtis, Maggie Elizabeth Jones, ZZ Ward
Nov 1, 2012
172.Marion Cotillard, Olate Dogs
Nov 2, 2012
173.Kristen Stewart, Dax Shepard, Kip Moore
Nov 5, 2012
174.Daniel Craig, Dave Salmoni, Diamond Rings
Nov 7, 2012
175.Sally Field, Chris Matthews, Lord Huron
Nov 8, 2012
176.Meredith Vieira & Richard Cohen, Christina Perri
Nov 9, 2012
177.Lea Michele, Nev Schulman, Toby Keith
Nov 12, 2012
178.Keira Knightley, Whitney Cummings, Gin Wigmore
Nov 13, 2012
179.Helen Hunt, Paul
Nov 14, 2012
180.Tim Allen, Nolan Gould, Switchfoot
Nov 15, 2012
181.Chris Matthews, the Mowgli's
Nov 16, 2012
182.Jennifer Lawrence, Phil & Willie Robertson, Andy Grammer
Nov 19, 2012
Oscar-nominated actress Jennifer Lawrence; from “Duck Dynasty”, Phil & Willie Robertson; music from Andy Grammer.
183.Lindsay Lohan, David Gregory, Wanda Jackson
Nov 20, 2012
184.Joseph Gordon-Levitt, Kris Jenner, Dan Cummings
Nov 21, 2012
185.Bradley Cooper, Natasha Leggero, PSY
Nov 22, 2012
186.Jim Parsons, Maggie Elizabeth Jones, Delta Rae
Nov 26, 2012
187.Julie Bowen,
Nov 27, 2012
188.Wanda Sykes, Blake Shelton
Nov 28, 2012
189.Newt Gingrich, Ron Shirley, Grouplove
Nov 29, 2012
190.Marisa Tomei, Carson Daly, Il Volo
Nov 30, 2012
191.Gerard Butler, Olivia Munn, the Polyphonic Spree
Dec 3, 2012
192.Khloe Kardashian Odom, Adam Carolla, Matisyahu
Dec 4, 2012
193.Don Johnson, Julie Scardina, Darius Rucker
Dec 5, 2012
194.Bill O'Reilly, Krysten Ritter, Paloma Faith
Dec 6, 2012
195.Leslie Mann, Jim Rome, Garbage
Dec 7, 2012
196.Matt Damon, Chris Pratt, Of Monsters And Men
Dec 10, 2012
197.Ewan McGregor, Bailee Madison, Allen Stone
Dec 11, 2012
198.Albert Brooks, Kerry Washington, Willy Moon
Dec 12, 2012
199.Hugh Jackman, Maria Sharapova, J.D. McPherson
Dec 13, 2012
From "Les Misérables", Actor Hugh Jackman; magician Justin Willman; music act JD McPherson. Maria Sharapova preempted.
200.Bette Midler, Judd Apatow, Pentatonix
Dec 14, 2012
201.Megan Fox, Johnny Manziel, Colbie Caillat
Dec 17, 2012
202.Quentin Tarantino, LeAnn Rimes
Dec 18, 2012
203.Jamie Foxx, Carl Reiner, the winner of
Dec 19, 2012
204.Katherine Heigl, Marjorie Johnson, Johnny Mathis
Dec 20, 2012
205.Terry Bradshaw, Elle Fanning, Chris Mann
Dec 21, 2012