January 3, 2012

Season 20

01. Whitney Cummings, Nicole

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January 3, 2012

02. Tracy Morgan, Rick & Corey Harrison, Shaggy

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January 4, 2012

03. Michelle Williams, Josh Lucas, Chris Cornell

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January 5, 2012

04. Glenn Close, Trevor Noah, Van Hunt

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January 6, 2012

05. Janet Jackson, Larry the Cable Guy, Eli Young Band

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January 9, 2012

06. Queen Latifah, Paul

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January 10, 2012

07. Liam Neeson, Jack's Mannequin

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January 11, 2012

08. Gerard Butler, Betty White

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January 12, 2012

09. Tilda Swinton, Jennifer Hudson, Graffiti6

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January 13, 2012

10. Sam Worthington, Sherri Shepherd, Adam Lambert

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January 17, 2012

11. Jennifer Garner, Ross Matthews, Parachute

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January 18, 2012

12. Wanda Sykes

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January 19, 2012

13. Steven Tyler, Ryan Seacrest, Randy Jackson, Sarah Colonna

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January 20, 2012

14. Madonna, Chris Colfer, Joe Perry

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January 30, 2012

15. Michelle Obama, Mark Harmon, Imelda May

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January 31, 2012

16. Daniel Radcliffe, Vanessa Hudgens, Evanescence

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February 1, 2012

17. Drew Barrymore, Blake Shelton

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February 2, 2012

18. Debra Messing, Jean Dujardin, Bush

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February 3, 2012

19. Dwayne Johnson, Miranda Cosgrove, Cirque du Soleil

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February 6, 2012

20. Chelsea Handler, Jon Huntsman, 2Cellos

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February 7, 2012

21. Chris Pine, Lisa Lampanelli, Anthony Hamilton

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February 8, 2012

22. Denzel Washington, Octavia Spencer, Estelle

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February 9, 2012

23. Rachel McAdams, Cee-Lo Green

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February 10, 2012

24. Jennifer Lopez, the Civil Wars

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February 13, 2012

25. Tyler Perry, Alexandra Wentworth, the Cranberries

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February 14, 2012

26. Bill Maher, Punch Brothers

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February 15, 2012

27. Amanda Seyfried, Billy Gardell, Monica, Brandy

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February 16, 2012

28. Christina Aguilera, Dave Salmoni, The Fray

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February 17, 2012

29. Taylor Swift, Michael Clarke Duncan, Robert Randolph, Los Lobos, Chris Layton

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February 20, 2012

30. Bill O'Reilly, Rob Riggle, Rumer

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February 21, 2012

31. Tim Allen, Rocket City Rednecks

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February 22, 2012

32. Meredith Vieira, Jackson Murphy

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February 23, 2012

33. Jennifer Aniston, Adam Levine

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February 24, 2012

34. Megan Fox, Michel Hazanavicius, Mariachi El Bronx

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February 27, 2012

35. Rob Schneider, Khloe Kardashian Odom, Mona

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February 28, 2012

36. Sen. John McCain, Elizabeth Olsen, Romeo Santos

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February 29, 2012

37. Julianne Moore, Dr. Brady Barr, Chickenfoot

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March 1, 2012

38. Emily Blunt, Geoff Stults, Scars on 45

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March 2, 2012

39. Jessica Simpson, Adam Carolla, Soja

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March 12, 2012

40. Jonah Hill, Bethenny Frankel, Shooter Jennings

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March 13, 2012

41. Channing Tatum, Drew Brees, Meat Loaf

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March 14, 2012

42. Kiefer Sutherland, Kathryn Hahn, Andy Grammer

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March 15, 2012

43. Jimmy Fallon, 8-year-old presidential whiz kid H.L. McCullough, Toby Keith

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March 16, 2012

44. Jamie Lee Curtis, Armie Hammer

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March 19, 2012

45. Rep. Ron Paul, Frank Caliendo, the Wanted

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March 20, 2012

46. Kim Kardashian

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March 21, 2012

47. Arsenio Hall, Lily Collins

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March 22, 2012

48. Christina Aguilera, Melanie Fiona featuring J. Cole

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March 23, 2012

49. Elizabeth Banks, Carson Daly

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March 26, 2012

50. The Pierces

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March 27, 2012

51. Rainn Wilson, Debbie Gibson, Gavin DeGraw

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March 28, 2012

52. Piers Morgan, Liam Hemsworth, Mat Kearney

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March 29, 2012

53. Nicole Richie, Alan Jackson

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March 30, 2012

54. Betty White, D.J. Pauly D

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April 2, 2012

55. Maya Rudolph, Jason Biggs, Gym Class Heroes

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April 3, 2012

56. David Gregory, Cee-Lo Green, Seal

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April 4, 2012

57. Zac Efron, Jennie Garth, Grace Potter and the Nocturnals

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April 5, 2012

58. Kristin Chenoweth, Julie Scardina, Rodrigo y Gabriela

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April 6, 2012

59. Jane Lynch, Kevin Hart, Esperanza Spalding

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April 9, 2012

60. Josh Hutcherson, Rachel Maddow, Eric Turner featuring Lupe Fiasco and Tinie Tempah

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April 10, 2012

61. Albert Brooks, Austin

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April 11, 2012

62. Blake Shelton, Chris Diamantopoulos, Feist

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April 12, 2012

63. Jason Segel, Anna Faris, Far East Movement

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April 13, 2012

64. Jesse Tyler Ferguson, Aubrey O'Day, Train

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April 23, 2012

65. Jack Black, Daniel Holzman & Michael Chernow, Beirut

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April 24, 2012

66. Adam Levine, Ziggy Marley

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April 25, 2012

67. Diane Keaton, Natalie Coughlin, Moby

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April 26, 2012

68. Mel Gibson, the Wanted

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April 27, 2012

69. Steve Martin, Rashida Jones, Steve Martin & the Steep Canyon Rangers

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April 30, 2012

70. Cameron Diaz, William Shatner, Lee Brice

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May 1, 2012

71. Scarlett Johansson, Blake Shelton, K'Naan featuring Nelly Furtado

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May 2, 2012

72. Robert Downey Jr., Katharine McPhee, Toast To Freedom

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May 3, 2012

73. Kristen Stewart, James Morrison

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May 4, 2012

74. Michelle Pfeiffer, Bear Grylls, Snow Patrol

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May 7, 2012

75. Rick Santorum, Taylor Kitsch, B.o.B., O.A.R.

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May 8, 2012

76. Garry Shandling, Alison Brie, the winner of 'The Voice'

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May 9, 2012

77. Howie Mandel, Vinny Guadagnino, Sara Watkins

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May 10, 2012

78. Jenna Fischer, Jay Mohr

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May 11, 2012

79. Kourtney, Kim & Khloe Kardashian, Donny Deutsch, Karmin

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May 14, 2012

80. Wanda Sykes, David Hasselhoff, Santana

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May 15, 2012

81. Joel McHale, Jarod Miller, Bobby Brown

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May 16, 2012

82. Hugh Laurie, Robert Griffin III

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May 17, 2012

83. Sherri Shepherd, Julianne Hough, Tenacious D

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May 18, 2012

84. Kevin Costner, Bailee Madison, Lisa Marie Presley

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May 21, 2012

85. Josh Brolin, Ali Wentworth, Glenn Frey

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May 22, 2012

86. Charlize Theron, Jeffrey Dean Morgan, Juanes

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May 23, 2012

87. Glenn Close, the winner of American Idol, Nelly Furtado

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May 24, 2012

88. Gen. Colin Powell, Greg Gadson, All American Rejects

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May 25, 2012

89. Martin Short, Aubrey Plaza, Def Leppard

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June 4, 2012

90. Emma Stone, Chris Hemsworth, Chris Robinson Brotherhood

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June 5, 2012

91. Julia Louis-Dreyfus, the Beach Boys

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June 6, 2012

92. Catherine Zeta-Jones, Louis Zamperini, Bret Michaels

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June 7, 2012

93. Tom Cruise, skydivers Felix Baumgartner & Joe Kittinger, Kool & the Gang

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June 8, 2012

94. Elizabeth Banks, Dan Patrick, Brandi Carlisle

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June 11, 2012

95. Patrick Duffy, Linda Grey, Larry Hagman, Meghan McCain, Meiko

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June 12, 2012

96. Terry Bradshaw, Ernie Brown Jr., Neal James, Rachel Bradshaw

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June 13, 2012

97. Penelope Cruz, Rick Harrison, We Are Augustines

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June 14, 2012

98. Salma Hayek, Adam Brody, Olly Murs

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June 15, 2012

99. Steve Carell, Cory Booker, Glen Hansard

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June 18, 2012

100. Matthew McConaughey, Natasha Leggero, Grouplove

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June 19, 2012

101. Andy Samberg, Seth MacFarlane, Joe Henry featuring Lisa Hannigan

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June 20, 2012

102. Katy Perry, Needtobreathe

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June 21, 2012

103. Chris Pine, Rachael Ray, Everclear

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June 22, 2012

104. Louis C.K., Lolo Jones, Delta Rae

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June 25, 2012

105. Matt LeBlanc, Sig Hansen & Keith Colburn, Robin Thicke

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June 26, 2012

106. Mila Kunis, Jim Norton, Justin Bieber

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June 27, 2012

107. Tyler Perry, Rhys Ifans, Keane

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June 28, 2012

108. Andrew Garfield, Of Monsters And Men

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June 29, 2012

109. Wanda Sykes, Rob Riggle, Kimbra

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July 9, 2012

110. Zachary Levi, B.o.B.

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July 10, 2012

111. Morgan Freeman,

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July 11, 2012

112. Denis Leary, Olivia Munn, Kenny Chesney

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July 12, 2012

113. Dana Carvey, Nicki Minaj

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July 13, 2012

114. Charlie Sheen

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July 16, 2012

115. Kate Beckinsale, Adam Carolla

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July 17, 2012

116. Newt Gingrich, Nicole

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July 18, 2012

117. Rachel Weisz, Aaron Paul

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July 19, 2012

118. Ben Stiller, Rose Byrne, Missy Higgins

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July 20, 2012

119. Vince Vaughn, Travis Pastrana, Aretha Franklin

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July 23, 2012

120. Colin Farrell, Jenni

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July 24, 2012

121. Jessica Biel, Kevin Smith, the Lumineers

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July 25, 2012

122. Julie Scardina, Dwyane Wade, MoZella

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July 26, 2012

123. Jeremy Renner, Betty White, Joss Stone

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July 27, 2012

124. Michelle Obama, Norah Jones

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August 13, 2012

125. Kelsey Grammer, Jordan Burroughs, Ryan Star

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August 14, 2012

126. Sylvester Stallone, Missy Franklin, Dwight Yoakam

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August 15, 2012

127. Kristen Bell, Ryan Lochte, Regina Spektor

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August 16, 2012

128. Jason Statham, Allyson Felix, the Offspring

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August 17, 2012

129. Maya Rudolph, Jeff Foxworthy, Morning Parade

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August 20, 2012

130. Shia LaBeouf, Jean-Claude Van Damme, fun.

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August 21, 2012

131. Katie Couric, Dax Shepard, Emeli Sande

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August 22, 2012

132. Kirsten Dunst, Chris Matthews, Smashing Pumpkins

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August 23, 2012

133. Howie Mandel, Alejandro Escovedo

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August 24, 2012

134. Dennis Miller, Joshua Radin

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August 27, 2012

135. Owl City with Carly Rae Jepsen

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August 28, 2012

136. Bill Maher, Tristan Prettyman

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August 29, 2012

137. Savannah Guthrie, Dolph Lundgren

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August 30, 2012

138. Lauren Graham, Dan Patrick

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August 31, 2012

139. Kevin Hart, Rep. Ron Paul, Robert Cray

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September 4, 2012

140. Adam Levine, Magic Johnson, Grace Potter

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September 5, 2012

141. Ellen DeGeneres, Josh Lucas, Billy Ray Cyrus

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September 6, 2012

142. Matthew Perry, Meghan McCain, OneRepublic

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September 7, 2012

143. Richard Gere, Anthony Robles, Rascal Flatts

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September 17, 2012

144. Justin Timberlake, Steve Nash, Ryan Bingham

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September 18, 2012

145. Amy Poehler, Joe Scarborough, Big & Rich

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September 19, 2012

146. Viola Davis, Paul Wesley, Bonnie Raitt

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September 20, 2012

147. Zooey Deschanel, Anthony Anderson, ZZ Top

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September 21, 2012

148. David Spade, Giancarlo Esposito, Rebecca Ferguson

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September 24, 2012

149. Ann Romney, Seth MacFarlane, Bettye LaVette

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September 25, 2012

150. Kirstie Alley, Mike

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September 26, 2012

151. Liam Neeson, Lisa Lampanelli, the Gaslight Anthem

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September 27, 2012

152. Christina Aguilera, Sherri Shepherd, the Piano Guys

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September 28, 2012

153. Bryan Cranston, Rebel Wilson, Cher Lloyd

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October 1, 2012

154. Carol Burnett, Armie Hammer, Lang Lang

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October 2, 2012

155. Christina Applegate, Apolo Anton Ohno

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October 3, 2012

156. Ben Affleck, Octavia Spencer, Neon Trees

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October 4, 2012

157. Colin Farrell, Medal of Honor recipient Dakota Meyer, the Hives

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October 5, 2012

158. Arnold Schwarzenegger, Bubba Watson, the Wallflowers

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October 8, 2012

159. Tyler Perry, Oscar Pistorius, Plain White T's

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October 9, 2012

160. Chelsea Handler, Placido Domingo

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October 10, 2012

161. Terry Bradshaw, Mark Kelly, Grizzly Bear

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October 11, 2012

162. Whitney Cummings, Rove McManus, the Script

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October 12, 2012

163. Halle Berry, Ali Wentworth, Gary Clark Jr.

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October 22, 2012

164. Denzel Washington, Richard Engel, M. Ward

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October 23, 2012

165. President Barack Obama, No Doubt

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October 24, 2012

166. Russell Brand, Jane Lynch

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October 25, 2012

167. Sarah Silverman, Paula Deen

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October 26, 2012

168. Simon Cowell, Britney Spears, Billy Gardell, Two Door Cinema Club

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October 29, 2012

169. John C. Reilly, Jenni

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October 30, 2012

170. Taylor Lautner, Lior Suchard, Macy Gray

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October 31, 2012

171. Jamie Lee Curtis, Maggie Elizabeth Jones, ZZ Ward

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November 1, 2012

172. Marion Cotillard, Olate Dogs

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November 2, 2012

173. Kristen Stewart, Dax Shepard, Kip Moore

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November 5, 2012

174. Daniel Craig, Dave Salmoni, Diamond Rings

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November 7, 2012

175. Sally Field, Chris Matthews, Lord Huron

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November 8, 2012

176. Meredith Vieira & Richard Cohen, Christina Perri

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November 9, 2012

177. Lea Michele, Nev Schulman, Toby Keith

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November 12, 2012

178. Keira Knightley, Whitney Cummings, Gin Wigmore

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November 13, 2012

179. Helen Hunt, Paul

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November 14, 2012

180. Tim Allen, Nolan Gould, Switchfoot

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November 15, 2012

181. Chris Matthews, the Mowgli's

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November 16, 2012

182. Jennifer Lawrence, Phil & Willie Robertson, Andy Grammer

Oscar-nominated actress Jennifer Lawrence; from “Duck Dynasty”, Phil & Willie Robertson; music from Andy Grammer.

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November 19, 2012

183. Lindsay Lohan, David Gregory, Wanda Jackson

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November 20, 2012

184. Joseph Gordon-Levitt, Kris Jenner, Dan Cummings

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November 21, 2012

185. Bradley Cooper, Natasha Leggero, PSY

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November 22, 2012

186. Jim Parsons, Maggie Elizabeth Jones, Delta Rae

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November 26, 2012

187. Julie Bowen,

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November 27, 2012

188. Wanda Sykes, Blake Shelton

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November 28, 2012

189. Newt Gingrich, Ron Shirley, Grouplove

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November 29, 2012

190. Marisa Tomei, Carson Daly, Il Volo

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November 30, 2012

191. Gerard Butler, Olivia Munn, the Polyphonic Spree

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December 3, 2012

192. Khloe Kardashian Odom, Adam Carolla, Matisyahu

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December 4, 2012

193. Don Johnson, Julie Scardina, Darius Rucker

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December 5, 2012

194. Bill O'Reilly, Krysten Ritter, Paloma Faith

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December 6, 2012

195. Leslie Mann, Jim Rome, Garbage

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December 7, 2012

196. Matt Damon, Chris Pratt, Of Monsters And Men

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December 10, 2012

197. Ewan McGregor, Bailee Madison, Allen Stone

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December 11, 2012

198. Albert Brooks, Kerry Washington, Willy Moon

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December 12, 2012

199. Hugh Jackman, Maria Sharapova, J.D. McPherson

From "Les Misérables", Actor Hugh Jackman; magician Justin Willman; music act JD McPherson. Maria Sharapova preempted.

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December 13, 2012

200. Bette Midler, Judd Apatow, Pentatonix

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December 14, 2012

201. Megan Fox, Johnny Manziel, Colbie Caillat

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December 17, 2012

202. Quentin Tarantino, LeAnn Rimes

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December 18, 2012

203. Jamie Foxx, Carl Reiner, the winner of

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December 19, 2012

204. Katherine Heigl, Marjorie Johnson, Johnny Mathis

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December 20, 2012

205. Terry Bradshaw, Elle Fanning, Chris Mann

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December 21, 2012