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Late Show with David Letterman Season 19 Episode 105

Zach Galifianakis, Former U.S. Army Sgt. Valerie Brown, Allen Stone

Dave welcomes actor Zach Galifianakis, former U.S. Army Sgt. Valerie Brown, and musical guest Allen Stone. Dave has some fun with the "Late Show" Hose Cam at the expense movie superstar Zach Galifianakis ("The Campaign"). Awkward! See what happens when "The Campaign" star Zach Galifianakis shows up wearing the same suit as TV's Paul Shaffer. Zach Galifianakis tells how he got co-star Will Ferrell to moon a group of fans. Dave welcomes former Army Sgt. Valerie Brown to discuss her military service and ongoing job search.

Jul. 24, 2012

19 - 178
Naomi Watts; Jay Thomas; Darlene LoveDec. 21, 2012
19 - 177
Katie Holmes; Jon Bon JoviDec. 20, 2012
19 - 176
Seth Rogen; John WitherspoonDec. 19, 2012
19 - 175
Paul Rudd; Alicia KeysDec. 18, 2012
19 - 174
Tom Cruise; MNDRDec. 17, 2012
19 - 173
Samuel L. Jackson; Carrie Brownstein & Fred Armisen; Jason Isbell and the 400 UnitDec. 14, 2012
19 - 172
Jamie Foxx; Julie Chen; DIIVDec. 13, 2012
19 - 171
Billy Crystal; James Balong; Grizzly BearDec. 12, 2012
19 - 170
Amanda Seyfried; Natalia Makarova; AwolnationDec. 11, 2012
19 - 169
Anne Hathaway; Jake Johnson; “The President's Own” United States Marine BandDec. 10, 2012
19 - 168
Dustin Hoffman; One DirectionDec. 07, 2012
19 - 167
Bill Murray; Vintage TroubleDec. 06, 2012
19 - 166
Albert Brooks; Diana KrallDec. 05, 2012
19 - 165
Matt Damon; Martin Freeman; JD McPhersonDec. 04, 2012
19 - 164
Led Zeppelin; John Krasinski; Paloma FaithDec. 03, 2012
19 - 163
Scarlett Johansson; Willie Nelson; Gary Clark Jr.Nov. 21, 2012
19 - 162
Amy Poehler; Josh Hutcherson; Tegan and SaraNov. 20, 2012
19 - 161
Jessica Biel; Pete Townshend; Philip PhillipsNov. 19, 2012
19 - 160
Dr. Phil McGraw; Carmen Lynch; Divine FitsNov. 16, 2012
19 - 159
Zooey Deschanel; Lisa Lampanelli; Donald FagenNov. 15, 2012
19 - 158
Alec Baldwin; Dirty ProjectorsNov. 14, 2012
19 - 157
Julianna Margulies; Mumford & SonsNov. 13, 2012
19 - 156
Bradley Cooper; Robert Klein; SoundgardenNov. 12, 2012
19 - 155
Anderson Cooper; Myq Kaplan; Alberta CrossNov. 09, 2012
19 - 154
Robin Williams; Lianne La HavasNov. 08, 2012
19 - 153
Brian Williams; Ne-YoNov. 07, 2012
19 - 152
Ricky Gervais; Simon Helberg; Ty SegallNov. 05, 2012
19 - 151
Jason Sudeikis; Michael Che; UltraĩstaNov. 02, 2012
19 - 150
Steven Tyler and Joe Perry; Judy Greer; AerosmithNov. 01, 2012
19 - 149
Katie Couric; Rita OraOct. 31, 2012
19 - 148
Jim Cantore; Ken Burns; Andrew BirdOct. 30, 2012
19 - 147
Denzel Washington, Paul BanksOct. 29, 2012
19 - 146
Dennis Quaid; Krysten Ritter; Diamond RingsOct. 26, 2012
19 - 145
Donald Trump; Adam Levine; Carly Rae JepsenOct. 25, 2012
19 - 144
Bill O'Reilly; Nicole Snooki Polizzi; The LumineersOct. 24, 2012
19 - 143
Taylor Swift; Rachel MaddowOct. 23, 2012
19 - 142
Tom Hanks; Tony BennettOct. 22, 2012
19 - 141
John Goodman, Jeff Altman, Jamey Johnson with Alison KraussOct. 12, 2012
19 - 140
Lucy Liu; Rob Corddry; DaughterOct. 11, 2012
19 - 139
Salma Hayek Pinault, Nick Offerman, KISSOct. 10, 2012
19 - 138
Kevin James, Chris Elliott, MiguelOct. 09, 2012
19 - 137
Jack Hanna, Max GreenfieldOct. 08, 2012
19 - 136
Billy Crystal, The WallflowersOct. 05, 2012
19 - 135
Craig Ferguson, Anna Kendrick, The RaveonettesOct. 04, 2012
19 - 134
Tina Fey, Rick Santorum, LPOct. 03, 2012
19 - 133
Martin Short, Kat DenningsOct. 02, 2012
19 - 132
Stephen Colbert, Theresa Caputo, Martha WashOct. 01, 2012
19 - 131
Regis Philbin, Tom Dreesen, Dwight YoakamSep. 28, 2012
19 - 130
Jimmy Fallon, Neil Young, Lupe FiascoSep. 27, 2012
19 - 129
David Cameron, Jonny Lee MillerSep. 26, 2012
19 - 128
Stupid Human Tricks, Kaley Cuoco, The WhigsSep. 25, 2012
19 - 127
Steve Martin, GotyeSep. 24, 2012
19 - 126
Nathan Lane, Ryan Hunter-Reay, The KillersSep. 21, 2012
19 - 125
Michael Strahan, Arthur MeyerSep. 19, 2012
19 - 124
President Barack ObamaSep. 18, 2012
19 - 123
Joseph Gordon Levitt, Mindy Kaling, Of Gentlemen and CowardsSep. 17, 2012
19 - 122
Howard Stern, Jason AldeanSep. 06, 2012
19 - 121
Emma Watson, Julie Chen, Matchbox TwentySep. 05, 2012
19 - 120
Claire Danes, Dwyane Wade, Bob MouldSep. 04, 2012
19 - 119
Bruce Willis, Brian Regan, The HeavyAug. 30, 2012
19 - 118
Michelle Obama, The ChevinAug. 29, 2012
19 - 117
Amy Adams, Paul Teutul Sr. & Paul Teutul Jr., HaciendaAug. 28, 2012
19 - 116
Jake Gyllenhaal, Sharon Osbourne, Neon TreesAug. 27, 2012
19 - 115
Kathy Griffin, Michael Somerville, Josh TurnerAug. 23, 2012
19 - 114
Rachel Maddow, Serena Williams, Elle KingAug. 22, 2012
19 - 113
Bill Hader, Mary-Louise Parker, The WalkmenAug. 21, 2012
19 - 112
Kelsey Grammer, Olivia Munn, TrainAug. 20, 2012
19 - 111
Tracy Morgan, Erik Kynard, Ben HowardAug. 16, 2012
19 - 110
Tom Brokaw, Dana Vollmer, Beth OrtonAug. 15, 2012
19 - 109
Jennifer Garner, The U.S. Women's Olympic Gymnastics team, RodriguezAug. 14, 2012
19 - 108
Andy Samberg, Ashton Eaton, Glen HansardAug. 13, 2012
19 - 107
Joel McHale, Andrew Norelli, Will.I.AmJul. 26, 2012
19 - 106
Jonah Hill, Dr. Leonard Girardi, Milo GreeneJul. 25, 2012
19 - 105
Zach Galifianakis, Former U.S. Army Sgt. Valerie Brown, Allen StoneJul. 24, 2012
19 - 104
Will Ferrell, Rufus WainwrightJul. 23, 2012
19 - 103
Woody Harrelson, Todd Barry, Grafitti6Jul. 19, 2012
19 - 102
Kyra Sedgwick, Mike Golic and Greenberg, Red Wanting BlueJul. 18, 2012
19 - 101
Roseanne Barr, Aubrey Plaza, Jeff the BrotherhoodJul. 17, 2012
19 - 100
Morgan Freeman, Gallagher, NasJul. 16, 2012
19 - 99
Anne Hathaway, Moody McCarthy, Loudon Wainwright IIIJul. 12, 2012
19 - 98
Bryan Cranston, R.A. Dickey, Zac Brown BandJul. 11, 2012
19 - 97
Queen Latifah, Fred Armisen, Cory Chisel and the Wandering SonsJul. 10, 2012
19 - 96
Ray Romano, Tom Waits, Top Ten by American League All-StarsJul. 09, 2012
19 - 95
Blake Lively, Drew BreesJun. 28, 2012
19 - 94
Channing Tatum, Scott Pelley, The Gaslight AnthemJun. 27, 2012
19 - 93
LeBron James, Andrew Garfield, Maroon 5Jun. 26, 2012
19 - 92
Emma Stone, Jimmie Walker, Diamond RugsJun. 25, 2012
19 - 91
Justin Bieber, Michael Ian BlackJun. 21, 2012
19 - 90
Alec Baldwin, Michael KiwanukaJun. 20, 2012
19 - 89
Jeff Daniels, Benjamin Walker, Walk the MoonJun. 19, 2012
19 - 88
Denis Leary, Olivia Wilde, The PiercesJun. 18, 2012
19 - 87
Regis Philbin, Lenny Marcus, Elizabeth CookJun. 14, 2012
19 - 86
Adam Sandler, Jerry DouglasJun. 13, 2012
19 - 85
Jack Hanna, Patti SmithJun. 12, 2012
19 - 84
Mark Wahlberg, Sebastian Vettel, Black Box RevelationJun. 11, 2012
19 - 83
Bill Murray, The Temper TrapJun. 07, 2012
19 - 82
Jane Fonda, Mayor of London Boris Johnson, Jimmy CliffJun. 06, 2012
19 - 81
Neil Patrick Harris, Noomi Rapace, Alan JacksonJun. 05, 2012
19 - 80
Joan Rivers, Dario Franchitti, Silversun PickupsJun. 04, 2012
19 - 79
Piedmont Bird Callers, Bill O'Reilly, PitbullMay. 23, 2012
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Will Smith, GossipMay. 22, 2012
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Lea Michele, Barry Sonnenfeld, Shaolin Warriors of Ringling BrosMay. 21, 2012
19 - 76
Sacha Baron Cohen, Julie Chen, Beach HouseMay. 18, 2012
19 - 75
Conan O'Brien, Regina Spektor, John MayerMay. 17, 2012
19 - 74
Betty White, Moses Maddox, Best CoastMay. 16, 2012
19 - 73
Brian Williams, El-PMay. 15, 2012
19 - 72
Kelly Ripa, Adam Scott, Tenacious DMay. 14, 2012
19 - 71
Jon Cryer, Tommy Johnagin, M. WardMay. 11, 2012
19 - 70
Kid Scientists, Elizabeth Banks, Edward Sharpe & The Magnetic ZerosMay. 10, 2012
19 - 69
Eva Longoria, Tom Dreesen, Florence and The MachineMay. 09, 2012
19 - 68
Jim Parsons, Mika Brzezinski, Macy GrayMay. 08, 2012
19 - 67
Dr. Phil McGraw, Beth Behrs, SpiritualizedMay. 07, 2012
19 - 66
Anderson Cooper, Yves Rossy, Electric GuestMay. 04, 2012
19 - 65
Stephen Colbert, Chloe Grace Moretz, The cast of 'Nice Work If You Can Get It'May. 03, 2012
19 - 64
Stupid Pet Tricks, Johnny Galecki, Norah JonesMay. 02, 2012
19 - 63
Seth Meyers, Krysten Ritter, Father John MistyMay. 01, 2012
19 - 62
Don Rickles, Carrie UnderwoodApr. 30, 2012
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Madden NFL 13 Cover Calvin Johnson, Chris Hemsworth, Darrell Hammond, Miike SnowApr. 27, 2012
19 - 60
Robin Williams, Andrew LuckApr. 26, 2012
19 - 59
Rob Lowe, Gov. Brian Schweitzer, The War on DrugsApr. 25, 2012
19 - 58
Amy Poehler, Wendy Williams, Trampled by TurtlesApr. 24, 2012
19 - 57
Jason Segel, Zach Wahls, FunApr. 23, 2012
19 - 56
Julia Louis-Dreyfus, Keith Alberstadt, Bonnie RaittApr. 13, 2012
19 - 55
Billy Crystal, Alabama ShakesApr. 12, 2012
19 - 54
Magic Johnson, Larry Bird, Jim Gaffigan, Kaiser ChiefsApr. 11, 2012
19 - 53
Sean Hayes, Shooter JenningsApr. 10, 2012
19 - 52
Ricky Gervais, Cobie Smulders, TennisApr. 09, 2012
19 - 51
Kiefer Sutherland, Eugene Levy, The Punch BrothersApr. 04, 2012
19 - 50
Keith Olbermann, Allison Williams, Lukas Nelson & Promise of the RealApr. 03, 2012
19 - 49
Megan Mullally, Joe Wong, Band of SkullsMar. 30, 2012
19 - 48
Tracy Morgan, Jim Rome, The Broadway musical 'Once'Mar. 29, 2012
19 - 47
Chris Elliott, Mohamed Nasheed, Justin Townes EarleMar. 28, 2012
19 - 46
Jason Sudeikis, Lionel Richie, Jason AldeanMar. 27, 2012
19 - 45
Rachel Maddow, Timothy Olyphant, TrainMar. 26, 2012
19 - 44
Debra Messing, Josh Hutcherson, OberhoferMar. 21, 2012
19 - 43
Jennifer Lawrence, Gail Collins, The ShinsMar. 20, 2012
19 - 42
Michelle Obama, Esperanza SpaldingMar. 19, 2012
19 - 41
Martin Short, The Ting TingsMar. 14, 2012
19 - 40
Amanda Peet, Nick Offerman, Top Ten by Cee-Lo Green, The Chieftains with the Low AnthemMar. 13, 2012
19 - 39
Will Ferrell, Jon BernthalMar. 12, 2012
19 - 38
Jon Hamm, Ted Alexandro, White RabbitsMar. 01, 2012
19 - 37
Neil Patrick Harris, Taylor Kitsch, Robert Glasper Experiment featuring Lupe Fiasco & BilalFeb. 29, 2012
19 - 36
Nathan Lane, Pauley Perrette, EstelleFeb. 28, 2012
19 - 35
Ed Helms, Dan Patrick, Lyle LovettFeb. 27, 2012
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Matthew Broderick, Nick Griffin, We Are AugustinesFeb. 24, 2012
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Kristin Chenoweth, Joe Scarborough, K'naan featuring Nelly FurtadoFeb. 23, 2012
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Paul Rudd, John Witherspoon, Heartless BastardsFeb. 22, 2012
19 - 31
Alec Baldwin, Eric HutchinsonFeb. 21, 2012
19 - 30
Jack Hanna, Jesse Tyler FergusonFeb. 20, 2012
19 - 29
Kristen Wiig, Mike Birbiglia, Butch Walker and the Black WidowsFeb. 17, 2012
19 - 28
Joan Rivers, Andrew Lincoln, Jason MrazFeb. 16, 2012
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Jon Stewart, American Bagging Champion Stephanie Teteak, Yelawolf with Kid RockFeb. 15, 2012
19 - 26
Viola Davis, the 2012 Sports Illustrated Swimsuit cover model, Mark Ronson, Erykah Badu, The Dap-KinFeb. 14, 2012
19 - 25
Reese Witherspoon, Michael Weatherly, Top Ten by Sports Illustrated Swimsuit models, KasabianFeb. 13, 2012
19 - 24
David Spade, Betty WrightFeb. 10, 2012
19 - 23
Nicolas Cage, Michelle Dockery, The KillsFeb. 09, 2012
19 - 22
Ryan Reynolds, Ellie Kemper, Dierks BentleyFeb. 08, 2012
19 - 21
Denzel Washington, The FrayFeb. 07, 2012
19 - 20
Eli Manning, Sarah Michelle Gellar, Die AntwoordFeb. 06, 2012
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Michelle Williams, Jake Johannsen, Ziggy MarleyFeb. 03, 2012
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Woody Harrelson, Stephen Merchant, Lana Del ReyFeb. 02, 2012
19 - 17
Howard Stern, The Airborne Toxic EventFeb. 01, 2012
19 - 16
Bill Murray, Girls' GenerationJan. 31, 2012
19 - 15
Jennifer Lopez, Rob Schneider, James McCartneyJan. 30, 2012
19 - 14
Dana Carvey, Jon Fisch, Los Campesinos!Jan. 20, 2012
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Kathy Griffin, Simon Helberg, Joseph ArthurJan. 19, 2012
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Marg Helgenberger, Michael Fassbender, Ellie GouldingJan. 18, 2012
19 - 11
Ricky Gervais, Jessica Chastain, Kathleen EdwardsJan. 17, 2012
19 - 10
Simon Baker, Elizabeth Banks, SealJan. 16, 2012
19 - 9
Viggo Mortensen, Dennis Regan, Tony BennettJan. 13, 2012
19 - 8
Sen. John McCain, Johnny WinterJan. 12, 2012
19 - 7
Dolly Parton, Alan ZweibelJan. 11, 2012
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Kate Beckinsale, Marv Albert, The Little WilliesJan. 10, 2012
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Mark Wahlberg, Heather Morris, Snow PatrolJan. 09, 2012
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Kristen Bell, Dan Naturman, Blind PilotJan. 06, 2012
19 - 3
Tina Fey, Jeremy Irvine, Barr BrothersJan. 05, 2012
19 - 2
Brian Williams, WU LYFJan. 04, 2012
19 - 1
Will Arnett, Lisa Lampanelli, Guided by VoicesJan. 03, 2012