The Tonight Show with Jay Leno - Season 20

1. Whitney Cummings, Nicole

Aired: 1/3/2012

2. Tracy Morgan, Rick & Corey Harrison, Shaggy

Aired: 1/4/2012

3. Michelle Williams, Josh Lucas, Chris Cornell

Aired: 1/5/2012

4. Glenn Close, Trevor Noah, Van Hunt

Aired: 1/6/2012

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

Aired: 1/9/2012

6. Queen Latifah, Paul

Aired: 1/10/2012

7. Liam Neeson, Jack's Mannequin

Aired: 1/11/2012

8. Gerard Butler, Betty White

Aired: 1/12/2012

9. Tilda Swinton, Jennifer Hudson, Graffiti6

Aired: 1/13/2012

10. Sam Worthington, Sherri Shepherd, Adam Lambert

Aired: 1/17/2012

11. Jennifer Garner, Ross Matthews, Parachute

Aired: 1/18/2012

12. Wanda Sykes

Aired: 1/19/2012

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

Aired: 1/20/2012

14. Madonna, Chris Colfer, Joe Perry

Aired: 1/30/2012

15. Michelle Obama, Mark Harmon, Imelda May

Aired: 1/31/2012

16. Daniel Radcliffe, Vanessa Hudgens, Evanescence

Aired: 2/1/2012

17. Drew Barrymore, Blake Shelton

Aired: 2/2/2012

18. Debra Messing, Jean Dujardin, Bush

Aired: 2/3/2012

19. Dwayne Johnson, Miranda Cosgrove, Cirque du Soleil

Aired: 2/6/2012

20. Chelsea Handler, Jon Huntsman, 2Cellos

Aired: 2/7/2012

21. Chris Pine, Lisa Lampanelli, Anthony Hamilton

Aired: 2/8/2012

22. Denzel Washington, Octavia Spencer, Estelle

Aired: 2/9/2012

23. Rachel McAdams, Cee-Lo Green

Aired: 2/10/2012

24. Jennifer Lopez, the Civil Wars

Aired: 2/13/2012

25. Tyler Perry, Alexandra Wentworth, the Cranberries

Aired: 2/14/2012

26. Bill Maher, Punch Brothers

Aired: 2/15/2012

27. Amanda Seyfried, Billy Gardell, Monica, Brandy

Aired: 2/16/2012

28. Christina Aguilera, Dave Salmoni, The Fray

Aired: 2/17/2012

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

Aired: 2/20/2012

30. Bill O'Reilly, Rob Riggle, Rumer

Aired: 2/21/2012

31. Tim Allen, Rocket City Rednecks

Aired: 2/22/2012

32. Meredith Vieira, Jackson Murphy

Aired: 2/23/2012

33. Jennifer Aniston, Adam Levine

Aired: 2/24/2012

34. Megan Fox, Michel Hazanavicius, Mariachi El Bronx

Aired: 2/27/2012

35. Rob Schneider, Khloe Kardashian Odom, Mona

Aired: 2/28/2012

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

Aired: 2/29/2012

37. Julianne Moore, Dr. Brady Barr, Chickenfoot

Aired: 3/1/2012

38. Emily Blunt, Geoff Stults, Scars on 45

Aired: 3/2/2012

39. Jessica Simpson, Adam Carolla, Soja

Aired: 3/12/2012

40. Jonah Hill, Bethenny Frankel, Shooter Jennings

Aired: 3/13/2012

41. Channing Tatum, Drew Brees, Meat Loaf

Aired: 3/14/2012

42. Kiefer Sutherland, Kathryn Hahn, Andy Grammer

Aired: 3/15/2012

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

Aired: 3/16/2012

44. Jamie Lee Curtis, Armie Hammer

Aired: 3/19/2012

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

Aired: 3/20/2012

46. Kim Kardashian

Aired: 3/21/2012

47. Arsenio Hall, Lily Collins

Aired: 3/22/2012

48. Christina Aguilera, Melanie Fiona featuring J. Cole

Aired: 3/23/2012

49. Elizabeth Banks, Carson Daly

Aired: 3/26/2012

50. The Pierces

Aired: 3/27/2012

51. Rainn Wilson, Debbie Gibson, Gavin DeGraw

Aired: 3/28/2012

52. Piers Morgan, Liam Hemsworth, Mat Kearney

Aired: 3/29/2012

53. Nicole Richie, Alan Jackson

Aired: 3/30/2012

54. Betty White, D.J. Pauly D

Aired: 4/2/2012

55. Maya Rudolph, Jason Biggs, Gym Class Heroes

Aired: 4/3/2012

56. David Gregory, Cee-Lo Green, Seal

Aired: 4/4/2012

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

Aired: 4/5/2012

58. Kristin Chenoweth, Julie Scardina, Rodrigo y Gabriela

Aired: 4/6/2012

59. Jane Lynch, Kevin Hart, Esperanza Spalding

Aired: 4/9/2012

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

Aired: 4/10/2012

61. Albert Brooks, Austin

Aired: 4/11/2012

62. Blake Shelton, Chris Diamantopoulos, Feist

Aired: 4/12/2012

63. Jason Segel, Anna Faris, Far East Movement

Aired: 4/13/2012

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

Aired: 4/23/2012

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

Aired: 4/24/2012

66. Adam Levine, Ziggy Marley

Aired: 4/25/2012

67. Diane Keaton, Natalie Coughlin, Moby

Aired: 4/26/2012

68. Mel Gibson, the Wanted

Aired: 4/27/2012

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

Aired: 4/30/2012

70. Cameron Diaz, William Shatner, Lee Brice

Aired: 5/1/2012

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

Aired: 5/2/2012

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

Aired: 5/3/2012

73. Kristen Stewart, James Morrison

Aired: 5/4/2012

74. Michelle Pfeiffer, Bear Grylls, Snow Patrol

Aired: 5/7/2012

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

Aired: 5/8/2012

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

Aired: 5/9/2012

77. Howie Mandel, Vinny Guadagnino, Sara Watkins

Aired: 5/10/2012

78. Jenna Fischer, Jay Mohr

Aired: 5/11/2012

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

Aired: 5/14/2012

80. Wanda Sykes, David Hasselhoff, Santana

Aired: 5/15/2012

81. Joel McHale, Jarod Miller, Bobby Brown

Aired: 5/16/2012

82. Hugh Laurie, Robert Griffin III

Aired: 5/17/2012

83. Sherri Shepherd, Julianne Hough, Tenacious D

Aired: 5/18/2012

84. Kevin Costner, Bailee Madison, Lisa Marie Presley

Aired: 5/21/2012

85. Josh Brolin, Ali Wentworth, Glenn Frey

Aired: 5/22/2012

86. Charlize Theron, Jeffrey Dean Morgan, Juanes

Aired: 5/23/2012

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

Aired: 5/24/2012

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

Aired: 5/25/2012

89. Martin Short, Aubrey Plaza, Def Leppard

Aired: 6/4/2012

90. Emma Stone, Chris Hemsworth, Chris Robinson Brotherhood

Aired: 6/5/2012

91. Julia Louis-Dreyfus, the Beach Boys

Aired: 6/6/2012

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

Aired: 6/7/2012

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

Aired: 6/8/2012

94. Elizabeth Banks, Dan Patrick, Brandi Carlisle

Aired: 6/11/2012

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

Aired: 6/12/2012

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

Aired: 6/13/2012

97. Penelope Cruz, Rick Harrison, We Are Augustines

Aired: 6/14/2012

98. Salma Hayek, Adam Brody, Olly Murs

Aired: 6/15/2012

99. Steve Carell, Cory Booker, Glen Hansard

Aired: 6/18/2012

100. Matthew McConaughey, Natasha Leggero, Grouplove

Aired: 6/19/2012

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

Aired: 6/20/2012

102. Katy Perry, Needtobreathe

Aired: 6/21/2012

103. Chris Pine, Rachael Ray, Everclear

Aired: 6/22/2012

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

Aired: 6/25/2012

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

Aired: 6/26/2012

106. Mila Kunis, Jim Norton, Justin Bieber

Aired: 6/27/2012

107. Tyler Perry, Rhys Ifans, Keane

Aired: 6/28/2012

108. Andrew Garfield, Of Monsters And Men

Aired: 6/29/2012

109. Wanda Sykes, Rob Riggle, Kimbra

Aired: 7/9/2012

110. Zachary Levi, B.o.B.

Aired: 7/10/2012

111. Morgan Freeman,

Aired: 7/11/2012

112. Denis Leary, Olivia Munn, Kenny Chesney

Aired: 7/12/2012

113. Dana Carvey, Nicki Minaj

Aired: 7/13/2012

114. Charlie Sheen

Aired: 7/16/2012

115. Kate Beckinsale, Adam Carolla

Aired: 7/17/2012

116. Newt Gingrich, Nicole

Aired: 7/18/2012

117. Rachel Weisz, Aaron Paul

Aired: 7/19/2012

118. Ben Stiller, Rose Byrne, Missy Higgins

Aired: 7/20/2012

119. Vince Vaughn, Travis Pastrana, Aretha Franklin

Aired: 7/23/2012

120. Colin Farrell, Jenni

Aired: 7/24/2012

121. Jessica Biel, Kevin Smith, the Lumineers

Aired: 7/25/2012

122. Julie Scardina, Dwyane Wade, MoZella

Aired: 7/26/2012

123. Jeremy Renner, Betty White, Joss Stone

Aired: 7/27/2012

124. Michelle Obama, Norah Jones

Aired: 8/13/2012

125. Kelsey Grammer, Jordan Burroughs, Ryan Star

Aired: 8/14/2012

126. Sylvester Stallone, Missy Franklin, Dwight Yoakam

Aired: 8/15/2012

127. Kristen Bell, Ryan Lochte, Regina Spektor

Aired: 8/16/2012

128. Jason Statham, Allyson Felix, the Offspring

Aired: 8/17/2012

129. Maya Rudolph, Jeff Foxworthy, Morning Parade

Aired: 8/20/2012

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

Aired: 8/21/2012

131. Katie Couric, Dax Shepard, Emeli Sande

Aired: 8/22/2012

132. Kirsten Dunst, Chris Matthews, Smashing Pumpkins

Aired: 8/23/2012

133. Howie Mandel, Alejandro Escovedo

Aired: 8/24/2012

134. Dennis Miller, Joshua Radin

Aired: 8/27/2012

135. Owl City with Carly Rae Jepsen

Aired: 8/28/2012

136. Bill Maher, Tristan Prettyman

Aired: 8/29/2012

137. Savannah Guthrie, Dolph Lundgren

Aired: 8/30/2012

138. Lauren Graham, Dan Patrick

Aired: 8/31/2012

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

Aired: 9/4/2012

140. Adam Levine, Magic Johnson, Grace Potter

Aired: 9/5/2012

141. Ellen DeGeneres, Josh Lucas, Billy Ray Cyrus

Aired: 9/6/2012

142. Matthew Perry, Meghan McCain, OneRepublic

Aired: 9/7/2012

143. Richard Gere, Anthony Robles, Rascal Flatts

Aired: 9/17/2012

144. Justin Timberlake, Steve Nash, Ryan Bingham

Aired: 9/18/2012

145. Amy Poehler, Joe Scarborough, Big & Rich

Aired: 9/19/2012

146. Viola Davis, Paul Wesley, Bonnie Raitt

Aired: 9/20/2012

147. Zooey Deschanel, Anthony Anderson, ZZ Top

Aired: 9/21/2012

148. David Spade, Giancarlo Esposito, Rebecca Ferguson

Aired: 9/24/2012

149. Ann Romney, Seth MacFarlane, Bettye LaVette

Aired: 9/25/2012

150. Kirstie Alley, Mike

Aired: 9/26/2012

151. Liam Neeson, Lisa Lampanelli, the Gaslight Anthem

Aired: 9/27/2012

152. Christina Aguilera, Sherri Shepherd, the Piano Guys

Aired: 9/28/2012

153. Bryan Cranston, Rebel Wilson, Cher Lloyd

Aired: 10/1/2012

154. Carol Burnett, Armie Hammer, Lang Lang

Aired: 10/2/2012

155. Christina Applegate, Apolo Anton Ohno

Aired: 10/3/2012

156. Ben Affleck, Octavia Spencer, Neon Trees

Aired: 10/4/2012

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

Aired: 10/5/2012

158. Arnold Schwarzenegger, Bubba Watson, the Wallflowers

Aired: 10/8/2012

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

Aired: 10/9/2012

160. Chelsea Handler, Placido Domingo

Aired: 10/10/2012

161. Terry Bradshaw, Mark Kelly, Grizzly Bear

Aired: 10/11/2012

162. Whitney Cummings, Rove McManus, the Script

Aired: 10/12/2012

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

Aired: 10/22/2012

164. Denzel Washington, Richard Engel, M. Ward

Aired: 10/23/2012

165. President Barack Obama, No Doubt

Aired: 10/24/2012

166. Russell Brand, Jane Lynch

Aired: 10/25/2012

167. Sarah Silverman, Paula Deen

Aired: 10/26/2012

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

Aired: 10/29/2012

169. John C. Reilly, Jenni

Aired: 10/30/2012

170. Taylor Lautner, Lior Suchard, Macy Gray

Aired: 10/31/2012

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

Aired: 11/1/2012

172. Marion Cotillard, Olate Dogs

Aired: 11/2/2012

173. Kristen Stewart, Dax Shepard, Kip Moore

Aired: 11/5/2012

174. Daniel Craig, Dave Salmoni, Diamond Rings

Aired: 11/7/2012

175. Sally Field, Chris Matthews, Lord Huron

Aired: 11/8/2012

176. Meredith Vieira & Richard Cohen, Christina Perri

Aired: 11/9/2012

177. Lea Michele, Nev Schulman, Toby Keith

Aired: 11/12/2012

178. Keira Knightley, Whitney Cummings, Gin Wigmore

Aired: 11/13/2012

179. Helen Hunt, Paul

Aired: 11/14/2012

180. Tim Allen, Nolan Gould, Switchfoot

Aired: 11/15/2012

181. Chris Matthews, the Mowgli's

Aired: 11/16/2012

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

Aired: 11/19/2012

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

183. Lindsay Lohan, David Gregory, Wanda Jackson

Aired: 11/20/2012

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

Aired: 11/21/2012

185. Bradley Cooper, Natasha Leggero, PSY

Aired: 11/22/2012

186. Jim Parsons, Maggie Elizabeth Jones, Delta Rae

Aired: 11/26/2012

187. Julie Bowen,

Aired: 11/27/2012

188. Wanda Sykes, Blake Shelton

Aired: 11/28/2012

189. Newt Gingrich, Ron Shirley, Grouplove

Aired: 11/29/2012

190. Marisa Tomei, Carson Daly, Il Volo

Aired: 11/30/2012

191. Gerard Butler, Olivia Munn, the Polyphonic Spree

Aired: 12/3/2012

192. Khloe Kardashian Odom, Adam Carolla, Matisyahu

Aired: 12/4/2012

193. Don Johnson, Julie Scardina, Darius Rucker

Aired: 12/5/2012

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

Aired: 12/6/2012

195. Leslie Mann, Jim Rome, Garbage

Aired: 12/7/2012

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

Aired: 12/10/2012

197. Ewan McGregor, Bailee Madison, Allen Stone

Aired: 12/11/2012

198. Albert Brooks, Kerry Washington, Willy Moon

Aired: 12/12/2012

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

Aired: 12/13/2012

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

200. Bette Midler, Judd Apatow, Pentatonix

Aired: 12/14/2012

201. Megan Fox, Johnny Manziel, Colbie Caillat

Aired: 12/17/2012

202. Quentin Tarantino, LeAnn Rimes

Aired: 12/18/2012

203. Jamie Foxx, Carl Reiner, the winner of

Aired: 12/19/2012

204. Katherine Heigl, Marjorie Johnson, Johnny Mathis

Aired: 12/20/2012

205. Terry Bradshaw, Elle Fanning, Chris Mann

Aired: 12/21/2012