18x55 - Courteney Cox, Aziz Ansari, Alison Krauss & Union Station featuring Jerry Douglas

April 13, 2011

18x56 - Seth Meyers, Carmelo Anthony, TV on the Radio

April 14, 2011

18x57 - Tina Fey, Tommy Johnagin, The Gaslight Anthem

April 15, 2011

18x58 - Bill Maher, Cote de Pablo, Lupe Fiasco

April 25, 2011

18x59 - Will Ferrell, The Twilight Singers

April 26, 2011

18x60 - Kate Hudson, Rich Eisen, Emmylou Harris

April 27, 2011

18x61 - Dr. Phil McGraw, Chris Hemsworth, Broadway musical "Catch Me If You Can"

April 28, 2011

18x62 - John Krasinski, Brian Kiley, Steve Earle

April 29, 2011

18x63 - Brian Williams, Rex Ryan

May 2, 2011

18x64 - Caroline Kennedy, Ty Burrell

May 3, 2011

18x65 - Betty White, Rick Harrison, Morning Teleportation

May 4, 2011

Dave welcomes actress Betty White, reality-TV star Rick Harrison and Morning Teleportation performs.

18x66 - Jodie Foster, Tom Dreesen, Neon Trees

May 5, 2011

Jodie Foster, Tom Dreesen, Neon Trees

18x67 - Bill Murray, ''The Human Fuse'' Brian Miser, Brother

May 6, 2011

Bill Murray, "The Human Fuse" Brian Miser, Brother

18x68 - Albert Brooks, Kristen Wiig

May 9, 2011

18x69 - Mark Harmon, Chris Morgan, Hugo

May 10, 2011

18x71 - Stupid human tricks, Jim Parsons, Manchester Orchestra

May 12, 2011

18x72 - Joan Rivers, Nick Griffin, Okkervil River

May 13, 2011

Dave welcomes comedian Joan Rivers, comic Nick Griffin and Okkervil River performs.

18x73 - Julianna Margulies, Andy Cohen, a Top Ten List presented by Christina Aguilera, White Lies

May 16, 2011

Dave welcomes actress Julianna Margulies from CBS's "The Good Wife," talk show host Andy Cohen, a Top Ten List presented by singer Christina Aguilera and White Lies perform.

18x74 - Martin Short, Melissa McCarthy, Tinie Tempah

May 17, 2011

Dave welcomes actor Martin Short, actress Melissa McCarthy from CBS's "Mike & Molly" and Tinie Tempah performs.

18x75 - Keith Olbermann, Julie Bowen, Ben Harper

May 18, 2011

Dave welcomes TV host Keith Olbermann, actress Julie Bowen and Ben Harper performs.

18x76 - Kelly Ripa, Jennifer Lawrence, How to Succeed in Business Without Really Trying

May 19, 2011

Dave welcomes Kelly Ripa, X-Men's Jennifer Lawrence and the cast of the Broadway's "How to Succeed in Business Without Really Trying." Plus: What Would Chris Rock Do?

18x77 - Tracy Morgan, Jake Johannsen, The Airborne Toxic Event

May 20, 2011

Dave welcomes actor Tracy Morgan, comic Jake Johannsen and The Airborne Toxic Event performs.

18x78 - Lady Gaga, Eric Stonestreet, The Vaccines

May 23, 2011

Dave welcomes musician Lady Gaga, actor Eric Stonestreet and the Vaccines perform.

18x79 - Ewan McGregor, Scott Pelley, Brad Paisley

May 24, 2011

Dave welcomes actor Ewan McGregor, CBS Evening News anchor Scott Pelley and Brad Paisley performs.

18x80 - Piedmont Bird Callers, Kevin Bacon, Augustana

May 25, 2011

Dave welcomes actor Kevin Bacon, Piedmont Bird Callers perform, a top ten list presented by U S Armed Forces personnel and Augustana performs.

18x81 - Ray Romano, Reese Waters, Arctic Monkeys

May 26, 2011

Dave welcomes Actor Ray Romano, comedian Reese Waters and Arctic Monkeys perform.

18x82 - Meredith Vieira, Indianapolis 500 winner Dan Wheldon, Drum Solo Week kicks off with Anton Fig

June 6, 2011

18x83 - Kyle Chandler, Kathy Griffin, Sheila E.

June 7, 2011

18x84 - Jon Cryer, Rachel Maddow, Roy Haynes

June 8, 2011

Dave welcomes actor Jon Cryer from CBS' "Two and a Half Men," journalist Rachel Maddow and drummer Roy Haynes performs.

18x85 - Neil Patrick Harris, Mike Birbiglia, Neil Peart

June 9, 2011

Dave welcomes actor Neil Patrick Harris of CBS' "How I Met Your Mother," comic Mike Birbiglia and drummer Neil Peart performs.

18x86 - Adm. Michael Mullen, Top Ten by Betty White, Black Joe Lewis & the Honeybears

June 13, 2011

Dave welcomes Admiral Mike Mullen, Chairman of the Joint Chiefs of Staff, A top-ten List presented by Betty White and Black Joe Lewis & The Honeybears perform.

18x87 - Ryan Reynolds, chef Eric Ripert and the cast of the Broadway musical Anything Goes

June 14, 2011

Dave welcomes actor Ryan Reynolds, chef Eric Ripert and a performance from the cast of the Broadway musical "Anything Goes."

18x88 - Jim Carrey, Rosie Huntington-Whiteley, Todd Rundgren

June 15, 2011

Dave welcomes actor Jim Carrey, actress Rosie Huntington-Whiteley and a Top Ten list presented by the 2011 NBA Champions, The Dallas Mavericks.

18x89 - Samuel L. Jackson, Texas Ranger Josh Hamilton, Jennifer Hudson

June 16, 2011

Dave welcomes actor Samuel L. Jackson, Texas Rangers star Josh Hamilton and Jennifer Hudson performs.

18x90 - Cameron Diaz, Eddie Vedder

June 20, 2011

18x91 - Jason Bateman, Amy Sedaris, Top Ten by Keith Olbermann, Drive-By Truckers

June 21, 2011

Dave welcomes actor Jason Bateman, actress Amy Sedaris, musical guests Drive-By Truckers and a "Top Ten" List presented by Keith Olbermann.

18x92 - Kevin James, pet fashion designer Ada Nieves, Beady Eye

June 22, 2011

Dave welcomes actor Kevin James, pet fashion designer Ada Nieves, musical guests Beady Eye and a "Top Ten" list presented by musician Justin Bieber.

18x93 - Jason Segel, horse whisperer Buck Brannaman, Noah and the Whale

June 23, 2011

Dave welcomes actor Jason Segel from the CBS comedy series "How I Met Your Mother," horse whisperer Buck Brannaman and musical guests Noah and the Whale.

18x94 - Shia LaBeouf, Bert Kreischer, Dawes

June 27, 2011

Dave welcomes actor Shia LaBeouf, comedian/reality series star Bert Kreischer and musical guest Dawes. TV legend Henry Winkler joins Dave and Paul as celebrity judge for "Is This Anything?"

18x95 - Tom Hanks, Sleepy Man Banjo Boys

June 28, 2011

Dave welcomes actor Tom Hanks and musical guest Sleepy Man Banjo Boys.

18x96 - Patrick Dempsey, Erica Hill, Marty Stuart

June 29, 2011

Dave welcomes actor Patrick Dempsey, CBS News' "The Early Show" Anchor Erica Hill and musical guest Marty Stuart.

18x97 - Julia Roberts, Cake

June 30, 2011

Dave welcomes actress Julia Roberts and musical guest Cake. Top Ten Reasons I, Dave Letterman, Am Proud To Be An American. How well does Julia Roberts know her "Larry Crowne" co-star Tom Hanks?

18x98 - Emma Watson, George Lopez, Incubus

July 11, 2011

Dave welcomes actress Emma Watson, comedian/talk show host George Lopez and musical guest Incubus.

18x99 - Roseanne Barr, Tom Felton, Blake Shelton

July 12, 2011

Dave welcomes comedian Roseanne Barr, actor Tom Felton and musical guest Blake Shelton.

18x100 - Ryan Gosling, Gomez

July 13, 2011

Dave participates in a Summer Toy Demo and welcomes actor Ryan Gosling and musical guest Gomez.

18x101 - Kyra Sedgwick, Tim Harmston, Nikki Jean

July 14, 2011

Dave welcomes actress Kyra Sedgwick, a Top Ten List presented by "Captain America" star Chris Evans, comedian Tim Harmston and musical guest Nikki Jean.

18x102 - Bono & the Edge, a performance from Spider-Man: Turn Off the Dark

July 18, 2011

18x103 - Steve Carell, Hope Solo and Abby Wambach, The Del McCoury Band and the Preservation Hall Band

July 19, 2011

Dave welcomes actor Steve Carell, U.S. women's soccer stars Hope Solo and Abby Wambach and musical guests The Del McCoury Band and the Preservation Hall Band.

18x104 - Jeremy Piven, Captain Luis Montalvan, Cee-Lo Green

July 20, 2011

Dave welcomes actor Jeremy Piven, author Captain Luis Montalvan and musical guest Cee Lo Green.

18x106 - Brian Williams, Tim Robbins & the Rogues Gallery Band

July 25, 2011

Dave welcomes news anchor Brian Williams and musical guest Tim Robbins & The Rogue Gallery Band.

18x107 - Julianne Moore, Johnny Galecki, Tanner Foust, Eels

July 26, 2011

Dave welcomes actress Julianne Moore, actor Johnny Galecki from the CBS comedy series "The Big Bang Theory," musical guest Eels and an X Games stunt on 53rd Street with Tanner Foust.

18x108 - Craig Ferguson, Connie Britton, Anna Calvi

July 27, 2011

Dave welcomes Craig Ferguson, host of CBS's "The Late Late Show with Craig Ferguson," actress Connie Britton and musical guest Anna Calvi.

18x109 - Kirstie Alley, Louis C.K., Fountains of Wayne

July 28, 2011

Dave welcomes actress Kirstie Alley, comedian Louis CK and musical guests Fountains of Wayne.

18x110 - James Franco, Dianna Agron, Christina Perri

August 1, 2011

How cool are the special effects in the new Planet of the Apes movie? Check it out. The Glee star has broken her nose not once, but twice. Find out how she did it. Christina Perri performing "Arms" from her new CD release, "Lovestrong."

18x111 - Ricky Gervais, Cat Deeley, Explosions in the Sky

August 2, 2011

Dave welcomes actor Ricky Gervais, television host Cat Deeley, musical guest Explosions in the Sky and a Top Ten List presented by Julie Chen, host of CBS's "Big Brother" and "The Talk".

18x112 - Emma Stone, Alan Mulally, Sallie Ford

August 3, 2011

Dave welcomes actress Emma Stone, Ford Motor Company CEO Alan Mulally and musical guest Sallie Ford.

18x113 - Colin Farrell, Christopher Ferguson, Typhoon

August 4, 2011

Dave welcomes actor Colin Farrell, NASA astronaut Christopher Ferguson and musical guest Typhoon.

18x114 - Denis Leary, Elizabeth Cook, Drum Solo Week II kicks off with Tony Royster Jr.

August 22, 2011

Dave welcomes actor Dennis Leary, radio show host and singer Elizabeth Cook, and drum solo by Tony Royster Jr.

18x115 - Rachel Maddow, Rose Byrne, Gavin Harrison

August 23, 2011

Dave welcomes talk show host Rachel Maddow and actress Rose Byrne also a drum solo by Gavin Harrison.

18x116 - Ashton Kutcher, Rafael Nadal, Stewart Copeland

August 24, 2011

Dave welcomes actor Ashton Kutcher, star of the CBS comedy series "Two and a Half Men" and tennis star Rafael Nadal also a drum solo by Stewart Copeland.

18x117 - Paul Rudd, Bill Burr, Dennis Chambers

August 25, 2011

Dave welcomes actor Paul Rudd and comedian Bill Burr also a drum solo by Dennis Chambers.

18x118 - Jason Sudeikis, Bettina Luescher, St. Vincent

August 29, 2011

From Saturday Night Live, Jason Sudeikis promotes his movie "A Good Old Fashioned Orgy" Bettina Luescher, World Food Programme Chief Spokesperson for North America St. Vincent - Lead Singer Annie Clark and St. Vincent performs ‘Cruel’, a new track from their upcoming album Strange Mercy.

18x119 - Alec Baldwin, Joe Namath, Lenny Kravitz

August 30, 2011

Dave welcomes actor Alec Baldwin, New York Jets legend, Joe Namath and musical guest Lenny Kravitz.

18x120 - David Arquette, Aubrey Plaza, Thurston Moore

August 31, 2011

Dave welcomes David Arquette, who can currently be seen on 'Dancing with the Stars', Aubrey Plaza, who plays April Ludgate in the TV's 'Parks and Recreation', and Thurston Moore, lead singer of the iconic Sonic Youth for over 30 years, plays a track from his new album "Demolished Thoughts", produced by Beck.

18x121 - Julianna Margulies, Joe Wong, Lady Antebellum

September 1, 2011

Kids say the darnedest things: find out what happened when Julianna Margulies' 3 year-old son saw her getting dressed. Joe Wong performs stand-up on the "Late Show" on September 1, 2011.

18x122 - Kim, Kourtney & Khloe Kardashian, Michael Emerson, The Jim Jones Revue

September 6, 2011

Dave welcomes reality television stars Kim, Kourtney and Khloe Kardashian, actor Michael Emerson from the new CBS drama series "Person Of Interest" and musical guest The Jim Jones Revue.

18x123 - Sgt. 1st Class Leroy Petry, Sarah Jessica Parker

September 7, 2011

18x124 - Michael J. Fox, Top Ten by the cast of Two and a Half Men, Jim McDonald, John Doe

September 8, 2011

Dave welcomes actor Michael J. Fox, a Top Ten List presented by Ashton Kutcher, Jon Cryer and Angus T. Jones from the CBS comedy series "Two and a Half Men", comedian Jim McDonald and musical guest John Doe.

18x125 - Dr. Jill Biden, Ted Danson

September 19, 2011

Dave welcomes Second Lady of the United States Dr. Jill Biden and actor Ted Danson from the CBS drama series "CSI: Crime Scene Investigation".

18x126 - Jonah Hill, Paula Abdul, Coldplay

September 20, 2011

Dave welcomes actor Jonah Hill, reality show judge Paula Abdul and musical guest Coldplay.

18x127 - Taylor Lautner, Minka Kelly, Wilco

September 21, 2011

Dave welcomes actor Taylor Lautner, actress Minka Kelly and musical guest Wilco.

18x128 - Sergeant Dakota Meyer, Sofia Vergara, Chris Cornell

September 22, 2011

Dave welcomes Medal of Honor recipient Sergeant Dakota Meyer, actress Sofia Vergara and musical guest Chris Cornell.

18x129 - Nathan Fillion, Larry Miller, The Jayhawks

September 23, 2011

Dave welcomes actor Nathan Fillion, comedian Larry Miller and musical guest Jayhawks.

18x130 - Seth Rogen, Poppy Montgomery, Fleet Foxes

September 26, 2011

Dave welcomes actor Seth Rogen, Poppy Montgomery from the new CBS drama series "Unforgettable" and musical guest Fleet Foxes.

18x131 - Jack Hanna, Anna Faris

September 27, 2011

Dave welcomes "Jungle" Jack Hanna and "What's Your Number?" star Anna Faris.

18x132 - Anderson Cooper, Nick Offerman, The Knux

September 28, 2011

Dave welcomes talk show host Anderson Cooper, actor Nick Offerman and musical guest The Knux.

18x133 - Kaley Cuoco, Skipper Bivins & Trent Jackson, Death Cab for Cutie

September 29, 2011

Dave welcomes actress Kaley Cuoco from the CBS comedy series "The Big Bang Theory", "Hillbilly Handfishin's" Skipper Bivins and Trent Jackson and musical guest Death Cab for Cutie.

18x134 - Samuel L. Jackson, Karen Rontowski, Anne-Sophie Mutter

September 30, 2011

Dave welcomes actor Samuel L. Jackson, comedian Karen Rontowski and musical guest Anne-Sophie Mutter.

18x135 - Brian Williams, Sting

October 3, 2011

Dave welcomes news anchor Brian Williams and musical Sting.

18x136 - Hugh Jackman, Sean Young, Feist

October 4, 2011

Dave welcomes actor Hugh Jackman, actress Sean Young and musical guest Feist.

18x137 - George Clooney, Mastodon

October 5, 2011

Dave welcomes actor George Clooney and musical guest Mastodon.

18x138 - Caroline Kennedy, dock diving dogs, The Joy Formidable

October 6, 2011

Dave welcomes author Caroline Kennedy, diving dogs and musical guest The Joy Formidable.

18x139 - Bryan Cranston, Jeff Altman, Garland Jeffreys

October 7, 2011

Dave welcomes actor Bryan Cranston, comedian Jeff Altman and musical guest Garland Jeffreys.

18x140 - Tracy Morgan, Mike Golic & Mike Greenburg, Mates of State

October 10, 2011

Dave welcomes actor Tracy Morgan, sportscasters Mike Greenberg and Mike Golic and musical guest Mates of State.

18x141 - Matthew Broderick, horse wrangler Erin Bolster and her horse Tonk, Hunter Hayes

October 11, 2011

Dave welcomes actor Matthew Broderick, horse wrangler Erin Bolster and her horse Tonk, who saved a young boy's life, and musical guest Hunter Hayes.

18x142 - Bill Clinton, Deer Tick

October 12, 2011

Dave welcomes former President Bill Clinton and musical guest Deer Tick.

18x143 - Bill O'Reilly, Martina McBride

October 13, 2011

Dave welcomes talk show host/author Bill O'Reilly and musical guest Martina McBride.

18x144 - Artie Lange, Eddie Brill, Beirut

October 14, 2011

Dave welcomes comedian/radio host Artie Lange and comedian Eddie Brill and musical guest Beirut.

18x145 - Salma Hayek, Keith Olbermann, Jane's Addiction

October 24, 2011

Dave welcomes actress Selma Hayek, talk show host Keith Olbermann and musical guest Jane's Addiction.

18x146 - Eddie Murphy, Jane Levy, Mayer Hawthorne

October 25, 2011

Dave welcomes actor Eddie Murphy, actress Jane Levy and musical guest Mayer Hawthorne.

18x147 - Justin Timberlake, Jennifer Esposito, The Civil Wars

October 26, 2011

Dave welcomes actor Justin Timberlake, actress Jennifer Esposito and musical guest The Civil Wars.

18x148 - Johnny Depp, Foster the People

October 27, 2011

Dave welcomes actor Johnny Depp and musical guest Foster The People.

18x149 - Tom Brokaw, Myq Kaplan, The Head & The Heart

October 28, 2011

Dave welcomes news anchor Tom Brokaw, comedian Myq Kaplan, and musical guest The Head & The Heart.

18x150 - Tony La Russa, Jesse Eisenberg, Puscifer

October 31, 2011

18x151 - Ben Stiller, Whitney Cummings

November 1, 2011

18x152 - Condoleezza Rice

November 2, 2011

18x153 - Mark Harmon, Mike Judge, Top Ten by Matt Lauer, Eli Young Band

November 3, 2011

"Beavis & Butt-Head" creator Mike Judge entertains with a dialogue and voices from a recent episode.

18x154 - Bill Cosby, Jason Isbell and The 400 Unit

November 4, 2011

Dave welcomes comedian Bill Cosby and musical guest Jason Isbell and the 400 Unit.

18x155 - Melissa McCarthy, Anthony Bourdain, Joan Baez & Kris Kristofferson

November 7, 2011

Dave welcomes actress Melissa McCarthy from the CBS comedy series "Mike & Molly," chef Anthony Bourdain, and musical guests Joan Baez and Kris Kristofferson.