Late Show with David Letterman Season 18, Episode 173: Scarlett Johansson, Julie Chen, Top Ten by the 2011 Heisman Trophy winner Robert Griffin III

Brian Williams, Paula Abdul

Tim McGraw, Shaquille O'Neal, Keri Hilson

Jennifer Connelly, Dr. Oz, Justin Townes Earle

Seth Rogen, Beau Garrett, the Walkmen

Regis Philbin, Hannibal Buress, No Age

Bill Cosby, a Top Ten List presented by Nicole "Snooki" Polizzi, the Black Keys

Vince Vaughn, Mike Wolfe & Frank Fritz, Cage the Elephant

Kevin James, Olivia Munn, The Low Anthem

Kelsey Grammer, Amar'e Stoudemire, Gregg Allman

Joan Rivers, Jeff Caldwell, Wintersleep

Jack Hanna, Steven Tyler

Betty White, Kim & Kourtney Kardashian, the Script

Martin Short, Greta Gerwig, Darius Rucker

Kaley Cuoco, Piers Morgan, Wanda Jackson, Miss Arkansas, Alyse Eady

Nathan Lane, Mike Palascak, Esperanza Spalding

Justin Bieber, Pauley Perrette, Best Coast

Matthew Perry, Chris Elliott, Top Ten with Mitt Romney, the National

Kate Walsh, Jim Gaffigan, Boxer Rebellion

Howard Stern, Naughty By Nature

Martha Stewart, Top Ten with Justin Bieber, Robert Plant

Super Bowl MVP Aaron Rodgers, Martin Lawrence, Steel Magnolia

Adam Sandler, Chris Colfer, Gang of Four

Anderson Cooper, Elton John

Nicole "Snooki" Polizzi, Judah Friedlander, Bryan Ferry

Ed Helms, Ted Alexandro, Steel Magnolia

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

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

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

Bill Hader, Grocery Bagging Champ Krystal, Amos Lee

Paris Hilton, Nathan Fillion, Scissor Sisters

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

Donald Rumsfeld, Cobie Smulders

Amy Poehler, Jean Chu and Dusty the Cat, Deerhunter

Rainn Wilson, Hank Aaron

Senator Rand Paul, Bright Eyes

Matthew Morrison, Jeff Altman, Jessica Lea Mayfield

Brian Williams, Trey Parker & Matt Stone, Zac Brown Band

Amanda Seyfried, B.J. Novak

Donald Trump, Vanessa Hudgens, Oh Land

Robin Williams, Judy Greer

Charles Barkley, Sarah Vowell, Cold War Kids

Bradley Cooper, Mindy Kaling, Bob Geldof

Steve Martin, Selena Gomez

Dana Carvey, Dr. Michio Kaku, British Sea Power

Katie Couric, The Pains of Being Pure at Heart

Ben Stiller, Dario Franchitti, The Strokes

"Jungle" Jack Hanna, Danny McBride

Regis Philbin, Snoop Dogg

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

Chris Rock, Ellen Page, Funeral Party

James Franco, Royal Bangs

Jennifer Garner, Jamie Oliver, Robbie Robertson

Don Rickles, Eva Longoria

Alec Baldwin, Wiz Khalifa

Ricky Gervais, Top Ten with Katie Holmes, Foo Fighters

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

Seth Meyers, Carmelo Anthony, TV on the Radio

Tina Fey, Tommy Johnagin, The Gaslight Anthem

Bill Maher, Cote de Pablo, Lupe Fiasco

Will Ferrell, The Twilight Singers

Kate Hudson, Rich Eisen, Emmylou Harris

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

John Krasinski, Brian Kiley, Steve Earle

Brian Williams, Rex Ryan

Caroline Kennedy, Ty Burrell

Betty White, Rick Harrison, Morning Teleportation

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

Jodie Foster, Tom Dreesen, Neon Trees

Jodie Foster, Tom Dreesen, Neon Trees

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

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

Albert Brooks, Kristen Wiig

Mark Harmon, Chris Morgan, Hugo

Stupid human tricks, Jim Parsons, Manchester Orchestra

Joan Rivers, Nick Griffin, Okkervil River

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

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

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.

Martin Short, Melissa McCarthy, Tinie Tempah

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

Keith Olbermann, Julie Bowen, Ben Harper

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

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

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?

Tracy Morgan, Jake Johannsen, The Airborne Toxic Event

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

Lady Gaga, Eric Stonestreet, The Vaccines

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

Ewan McGregor, Scott Pelley, Brad Paisley

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

Piedmont Bird Callers, Kevin Bacon, Augustana

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

Ray Romano, Reese Waters, Arctic Monkeys

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

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

Kyle Chandler, Kathy Griffin, Sheila E.

Jon Cryer, Rachel Maddow, Roy Haynes

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

Neil Patrick Harris, Mike Birbiglia, Neil Peart

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

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

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.

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

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

Jim Carrey, Rosie Huntington-Whiteley, Todd Rundgren

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

Samuel L. Jackson, Texas Ranger Josh Hamilton, Jennifer Hudson

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

Cameron Diaz, Eddie Vedder

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

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

Kevin James, pet fashion designer Ada Nieves, Beady Eye

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

Jason Segel, horse whisperer Buck Brannaman, Noah and the Whale

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.

Shia LaBeouf, Bert Kreischer, Dawes

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?"

Tom Hanks, Sleepy Man Banjo Boys

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

Patrick Dempsey, Erica Hill, Marty Stuart

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

Julia Roberts, Cake

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?

Emma Watson, George Lopez, Incubus

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

Roseanne Barr, Tom Felton, Blake Shelton

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

Ryan Gosling, Gomez

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

Kyra Sedgwick, Tim Harmston, Nikki Jean

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

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

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

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.

Jeremy Piven, Captain Luis Montalvan, Cee-Lo Green

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

Harrison Ford, Porcelain Black

Dave welcomes actor Harrison Ford and musical guests Porcelain Black.

Brian Williams, Tim Robbins & the Rogues Gallery Band

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

Julianne Moore, Johnny Galecki, Tanner Foust, Eels

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.

Craig Ferguson, Connie Britton, Anna Calvi

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

Kirstie Alley, Louis C.K., Fountains of Wayne

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

James Franco, Dianna Agron, Christina Perri

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."

Ricky Gervais, Cat Deeley, Explosions in the Sky

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".

Emma Stone, Alan Mulally, Sallie Ford

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

Colin Farrell, Christopher Ferguson, Typhoon

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

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

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

Rachel Maddow, Rose Byrne, Gavin Harrison

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

Ashton Kutcher, Rafael Nadal, Stewart Copeland

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.

Paul Rudd, Bill Burr, Dennis Chambers

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

Jason Sudeikis, Bettina Luescher, St. Vincent

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.

Alec Baldwin, Joe Namath, Lenny Kravitz

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

David Arquette, Aubrey Plaza, Thurston Moore

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.

Julianna Margulies, Joe Wong, Lady Antebellum

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.

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

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.

Sgt. 1st Class Leroy Petry, Sarah Jessica Parker

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

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.

Dr. Jill Biden, Ted Danson

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

Jonah Hill, Paula Abdul, Coldplay

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

Taylor Lautner, Minka Kelly, Wilco

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

Sergeant Dakota Meyer, Sofia Vergara, Chris Cornell

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

Nathan Fillion, Larry Miller, The Jayhawks

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

Seth Rogen, Poppy Montgomery, Fleet Foxes

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

Jack Hanna, Anna Faris

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

Anderson Cooper, Nick Offerman, The Knux

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

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

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.

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

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

Brian Williams, Sting

Dave welcomes news anchor Brian Williams and musical Sting.

Hugh Jackman, Sean Young, Feist

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

George Clooney, Mastodon

Dave welcomes actor George Clooney and musical guest Mastodon.

Caroline Kennedy, dock diving dogs, The Joy Formidable

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

Bryan Cranston, Jeff Altman, Garland Jeffreys

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

Tracy Morgan, Mike Golic & Mike Greenburg, Mates of State

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

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

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.

Bill Clinton, Deer Tick

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

Bill O'Reilly, Martina McBride

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

Artie Lange, Eddie Brill, Beirut

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

Salma Hayek, Keith Olbermann, Jane's Addiction

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

Eddie Murphy, Jane Levy, Mayer Hawthorne

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

Justin Timberlake, Jennifer Esposito, The Civil Wars

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

Johnny Depp, Foster the People

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

Tom Brokaw, Myq Kaplan, The Head & The Heart

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

Tony La Russa, Jesse Eisenberg, Puscifer

Ben Stiller, Whitney Cummings

Condoleezza Rice

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

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

Bill Cosby, Jason Isbell and The 400 Unit

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

Melissa McCarthy, Anthony Bourdain, Joan Baez & Kris Kristofferson

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

Robert Pattinson, Annie Leibovitz, David Crosby and Graham Nash

Dave welcomes actor Robert Pattinson, photographer Annie Leibovitz, and musical guests David Crosby and Graham Nash.

Adam Sandler, Peter Gabriel

Dave welcomes actor Adam Sandler and musical guest Peter Gabriel.

Stupid Humans Tricks, Katie Holmes, Noel Gallagher's High Flying Birds

Dave welcomes actress Katie Holmes, musical guest Noel Ghallager's High Flying Birds, and a Top Ten List presented by Texas Governor Rick Perry. Also, Stupid Humans Tricks.

Steve Martin, Felicity Jones, Lonesome River Band feat. Steve Martin

Dave welcomes actor Steve Martin and actress Felicity Jones.

Jason Segel, Jamie Oliver, The Kooks

Dave welcomes actor Jason Segal from the CBS comedy series "How I Met Your Mother," chef Jamie Oliver, and musical guest The Kooks.

Bill Maher, Nikki Reed, Foo Fighters feat. Joan Jet

Dave welcomes comedian/talk show host Bill Maher, actress Nikki Reed, and musical guests Foo Fighters featuring Joan Jet.

Jerry Seinfeld, Lykke Li

Dave welcomes comedian Jerry Seinfeld and musical guest Lykke Li.

Regis Philbin, John Fogerty

Dave welcomes talk show host Regis Philbin and musical guest John Fogerty. See what happens when Regis Philbin takes a ride on his retirement gift from Dave, a new Vespa.

Herman Cain, Grouplove

Dave welcomes republican presidential candidate Herman Cain, and musical guest Grouplove.

Andy Kindler, Ty Burrell, Gayle King, Needtobreathe

Dave welcomes actor Ty Burrell, CBS News' Gayle King, and musical guest Needtobreath. Andy hangs out with the guys from American Pickers. Top Ten Other Articles In The Al Qaeda Magazine. What does the "Modern Family" star's family think about him being named one of People's Sexiest Men? The star of CBS' new morning show talks about her new co-star and her old friend Oprah.

Amy Sedaris, Christopher "Mad Dog" Russo, Sondre Lerche

Dave welcomes actress Amy Sedaris, radio host Christopher "Mad Dog" Russo, and musical guest Sondre Lerche.

Justin Bieber, Brian Regan, FreeSol

Dave welcomes musician Justin Bieber, comedian Brian Regan, and musical guest Freesol. Top Ten Signs You Ate Too Much At Thanksgiving Dinner. The pop star talks about the paternity case and his DNA test.

Jonah Hill, Kristen Johnston, Ryan Adams

Dave welcomes actor Jonah Hill, actress Kristen Johnston, and musical guest Ryan Adams. Do all celebrities know each other? Jonah's mom thinks so. Kristen tells Dave about her drug problem.

Matt Damon, Shelby Lynne

Dave welcomes actor Matt Damon and musical guest Shelby Lynne. Rupert Jee selects a fan to pose with Dave for their 2011 holiday card. Top Ten Ways the Super Earth Is Different From Earth. Matt Damon tells of someone who didn't want their photo with him. Plus: Matt and Dave pose for their holiday card. The Grammy-winning singer-songwriter performs "Revelation Road."

Jessica Biel, Tom Dreesen, The Black Keys

Dave welcomes actress Jessica Biel, comedian Tom Dreesen, and musical guest The Black Keys. Top Ten Messages Left On Rod Blagojevich's Answering Machine. There are a ton of big stars in "New Year's Eve," but did Jessica actually meet any of them? The Black Keys play their hit song 'Gold On The Ceiling' off their new album El Camino.

Charlize Theron, Kevin Nealon, Blitzen Trapper

Dave welcomes actress Charlize Theron, comedian Kevin Nealon, and musical guest Blitzen Trapper. Top Ten Signs Your Local News Team Is Drunk. Down and dirty trains that go backwards for seven hours? "Young Adult" star Charlize Theron tells Dave about her recent trip through Spain. Former "SNL" cast member Kevin Nealon recalls meeting Arnold Schwarzenegger for a "Hans and Franz" skit. Blitzen Trapper performing "Might Find It Cheap" from their album, "American Goldwing."

David Duchovny, Comedian Hugh Fink, Young Jeezy

Dave welcomes comic Hugh Fink and musical guest Young Jeezy. Top Ten Signs You're At A Bad Mall. He went to meditate, but all David got was a big pile of horsesh**. Hugh performs stand-up.

Barbara Walters, Bill Hader, Wild Flag

Dave welcomes journalist/talk show host Barbara Walters, actor/comedian Bill Hader, and musical guest Wild Flag. Top Ten Signs the Candidates Have Debate Fatigue. Dave knows the identity of Barbara Walters' most fascinating person of the year, but will he keep it a mystery? Bill Hader recounts a family ski trip where Dad took the wrong trail. Wild Flag makes their network television debut with the song "Romance" from their self-titled CD.

Robert Downey Jr., Rooney Mara

Dave welcomes actor Robert Downey Jr. and actress Rooney Mara. Top Ten Mahmoud Ahmadinejad Demands For Returning Our Drone. From alpacas to kitties, Robert runs down the list of animals on his family farm. Rooney talks about how hard it was to shake her "Girl with the Dragon Tattoo" character. The "Girl With The Dragon Tattoo" star gets wasted to get the role.

Tom Hanks, My Morning Jacket

Dave welcomes actor Tom Hanks and musical guest My Morning Jacket. He's brought his own mistletoe! Tom Hanks shares an intimate Christmas greeting with Dave's viewers. Don't miss the excitement as Tom Hanks unveils the trailer for his new Pop Tart HBO mini-series. My Morning Jacket performs "Outta My System" from their new release, "Circuital".

Jude Law, Bob Sarlatte, Gary Clark Jr.

Dave welcomes actor Jude Law, comedian Bob Sarlatte and musical guest Gary Clark Jr. Jude Law recalls the last night of a stage production when fake booze was replaced with the real deal. The multi-talented singer-songwriter from Texas performs "Bright Lights" from his debut EP.

Tom Cruise, Anthony Hamilton, Top Ten by Mitt Romney

Dave welcomes actor Tom Cruise and musical guest Anthony Hamilton. Featuring a Top Ten List presented by former Governor Mitt Romney.

Harry Connick Jr., Scott Van Pelt, Mariachi El Bronx

Jon Huntsman, J. Cole

Anderson Cooper, Lindsey Vonn, Childish Gambino

Dave welcomes journalist/talk show host Anderson Cooper, Olympic skiing champion Lindsey Vonn, and musical guest Childish Gambino.

Jay Thomas, David Hyde Pierce, Darlene Love

Dave welcomes actor Jay Thomas, David Hyde Pierce and musical guest Darlene Love.