18x23 - Anderson Cooper, Elton John

February 9, 2011

18x24 - Nicole "Snooki" Polizzi, Judah Friedlander, Bryan Ferry

February 10, 2011

18x25 - Ed Helms, Ted Alexandro, Steel Magnolia

February 11, 2011

18x26 - S.I. Swimsuit Cover Reveal & Top 10, Tom Brokaw, Theophilus London

February 14, 2011

Tom Brokaw, a Top Ten List presented by 10 "Sports Illustrated" swimsuit models, Theophilus London

18x27 - Forest Whitaker, S.I. Swimsuit Cover Model Irina, Josh Groban, Top Ten with Joy Philbin

February 15, 2011

18x28 - Bill Hader, Grocery Bagging Champ Krystal, Amos Lee

February 16, 2011

18x29 - Paris Hilton, Nathan Fillion, Scissor Sisters

February 17, 2011

18x30 - David Spade, Andy Kindler, Lukas Nelson and Promise of the Real

February 18, 2011

18x31 - Donald Rumsfeld, Cobie Smulders

February 21, 2011

18x32 - Amy Poehler, Jean Chu and Dusty the Cat, Deerhunter

February 22, 2011

18x33 - Rainn Wilson, Hank Aaron

February 23, 2011

18x34 - Senator Rand Paul, Bright Eyes

February 24, 2011

18x35 - Matthew Morrison, Jeff Altman, Jessica Lea Mayfield

February 25, 2011

18x36 - Brian Williams, Trey Parker & Matt Stone, Zac Brown Band

February 28, 2011

18x37 - Amanda Seyfried, B.J. Novak

March 1, 2011

18x38 - Donald Trump, Vanessa Hudgens, Oh Land

March 2, 2011

18x39 - Robin Williams, Judy Greer

March 3, 2011

18x40 - Charles Barkley, Sarah Vowell, Cold War Kids

March 14, 2011

18x41 - Bradley Cooper, Mindy Kaling, Bob Geldof

March 15, 2011

18x42 - Steve Martin, Selena Gomez

March 16, 2011

18x43 - Dana Carvey, Dr. Michio Kaku, British Sea Power

March 21, 2011

18x44 - Katie Couric, The Pains of Being Pure at Heart

March 22, 2011

18x45 - Ben Stiller, Dario Franchitti, The Strokes

March 23, 2011

18x46 - "Jungle" Jack Hanna, Danny McBride

March 28, 2011

18x47 - Regis Philbin, Snoop Dogg

March 29, 2011

18x48 - Norm Macdonald, CC Sabathia, Willie Nelson, Norah Jones and Wynton Marsalis

March 30, 2011

18x49 - Chris Rock, Ellen Page, Funeral Party

March 31, 2011

18x50 - James Franco, Royal Bangs

April 1, 2011

18x51 - Jennifer Garner, Jamie Oliver, Robbie Robertson

April 5, 2011

18x52 - Don Rickles, Eva Longoria

April 6, 2011

18x53 - Alec Baldwin, Wiz Khalifa

April 11, 2011

18x54 - Ricky Gervais, Top Ten with Katie Holmes, Foo Fighters

April 12, 2011

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.

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.

18x105 - Harrison Ford, Porcelain Black

July 21, 2011

Dave welcomes actor Harrison Ford and musical guests Porcelain Black.

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