Patricia Heaton, Brad Womack, Josh Groban

45 min

Matt LeBlanc, Julie Benz, Michael Carbonaro

45 min

Simon Baker, Nicole 'Snooki' Polizzi, Lloyd Banks

45 min

Amy Adams, Chris Colfer, Young the Giant

45 min

Cameron Diaz, Scott Foley, Far East Movement

45 min

Channing Tatum, Mamie Gummer, A Day To Remember

45 min

Sandra Oh, Rico Rodriguez, Nolan Gould, Ariel Winter, Fitz & the Tantrums

45 min

Seth Rogen, Elle Fanning, the Damned Things

45 min

Randy Jackson, Jennifer Lawrence, Andrew Norelli

45 min

Don Rickles, Wilmer Valderrama, New Politics

45 min

Ryan Gosling, Kourtney Kardashian, Ra Ra Riot

45 min

James McAvoy, Jim Sturgess, K.T. Tunstall

45 min

Cory Monteith, Joan Rivers, the Script

45 min

Anthony Hopkins, Hailee Steinfeld, Delta Spirit

45 min

Amy Poehler, Martha Plimpton, Cold War Kids

45 min

Ryan Seacrest, Melissa Leo, Cage the Elephant

45 min

Julianna Margulies, Matthew Bomer, the JaneDear Girls

45 min

Jamie Foxx, Sarah Shahi

45 min

Josh Brolin, Camille Grammer, Tinie Tempah

45 min

Kim Kardashian, Alex Trebek, One eskimO

45 min

Dr. Phil McGraw, Amy Sedaris, Nelly

45 min

Matthew Perry, Morena Baccarin, Pitbull

45 min

Adam Sandler, Bobby Flay, Ke$ha

45 min

Justin Bieber, Travis Barker featuring Game and Swizz Beats

45 min

Martin Lawrence, Dianna Agron, Jewel

45 min

Jeremy Renner, Eric Stonestreet, Black Dub

45 min

Javier Bardem, Flavor Flav, Stone Sour

45 min

Jason Sudeikis, Blake Griffin, Keri Hilson

45 min

Cameron Diaz, Henry Winkler, Cake

45 min

Nancy Grace, Twilight Singers

45 min

Owen Wilson, Kelly Ripa, Adele

45 min

Tom Hanks, Cee Lo Green

45 min

Bill Maher, Esperanza Spalding

45 min

Amanda Seyfried, Nick Offerman, Henry Wolfe

45 min

Howard Stern, Michael Franti

45 min

Ryan Phillippe, Mila Kunis, the new 'Bachelorette', Ron Sexsmith

45 min

Jane Lynch, David Boreanaz, Avril Lavigne

45 min

Kristen Wiig, Adam Scott, the Wombats

45 min

Matthew McConaughey, Jena Malone, Young Dubliners

45 min

Liv Tyler, Mark Cuban, Brett Dennen

45 min

Rainn Wilson, Abbie Cornish, the Gaslight Anthem

45 min

Jake Gyllenhaal, Jerry Weintraub, Quinn Sullivan

45 min

Penelope Cruz, Paul Iacono, Oh Land

45 min

Sharon Osbourne, Bruno Tonioli, the Sounds

45 min

Johnny Knoxville, the latest 'Dancing With the Stars' castoff, Britney Spears

45 min

Danny McBride, Sara Ramirez, Duran Duran

45 min

David Beckham, Wes Craven, Sum 41

45 min

Katie Holmes, Dana Delany, Bad Religion

45 min

Christian Slater, Dr. Drew Pinsky, the latest 'Dancing with the Stars' castoff, the Decemberists

45 min

Norm MacDonald, Elisha Cuthbert, Funeral Party

45 min

Vin Diesel, Neve Campbell, Ellie Goulding

45 min

David Arquette, Mike Birbiglia, Asking Alexandria

45 min

Emma Roberts, Morgan Spurlock, the latest 'Dancing with the Stars' castoff, Jenny and Johnny

45 min

Eva Longoria, Patrick Warburton, Robyn

45 min

Tom Arnold, Alison Brie, Francis & the Lights

45 min

Courtney Cox, Gary Busey, Jessie J

45 min

Dwayne Johnson, the latest 'Dancing with the Stars' castoff, Sammy Hagar, the Belle Brigade

45 min

Robert Pattinson, Shailene Woodley, Lenka

45 min

Christoph Waltz, Kunal Nayyar, Phantogram

45 min

Martin Short, Kat Dennings, Alter Bridge

45 min

Mark Ruffalo, Jamie Oliver, the latest 'Dancing with the Stars' castoff, Robbie Robertson

45 min

Larry King, Jaimie Alexander, Augustana

45 min

Sofia Vergara, Manny Pacquiao, the Airborne Toxic Event

45 min

Rene Russo, Kristin Gore, k.d. lang

45 min

Anthony Hopkins, Andre Agassi, “Dancing with the Stars” castoff Kendra Wilkinson-Baskett

45 min

Kenneth Branagh, Ellie Kemper, the 2011 National School Scrabble Champions

45 min

Chris Hemsworth, Calexico

45 min

Rob Lowe, Ty Pennington, Wiz Khalifa

45 min

Nathan Fillion, the latest 'Dancing with the Stars' castoff, Calle 13

45 min

Chris O'Donnell, Ginnifer Goodwin, Zac Brown Band

45 min

Kate Hudson, Windell Middlebrooks, Raphael Saadiq

45 min

Topher Grace, Adam Carolla, Christina Perri

45 min

Albert Brooks, Chaz Bono, Rammstein

45 min

Khloe Kardashian Odom, 'Science Bob' Pflugfelder, Scott Weiland

45 min

Wanda Sykes, 'Bachelorette' Ashley Hebert, Foster the People

45 min

“Dancing with the Stars” winners Hines Ward & Kym Johnson, Taylor Lautner, Britney Spears

45 min

Jesse Tyler Ferguson, Sarah Vowell, Maybach Music Group featuring Rick Ross

45 min

Christina Aguilera, Mike Tyson, Big Sean

45 min

Carson Daly, Flavor Flav, I See Stars

45 min

Jason Sudeikis, Piers Morgan, Lykke Li

45 min

Paris Hilton, “Bachelorette” Ashley Hebert, spelling bee champion Sukanya Roy, Sara Bareilles

45 min

Kathy Griffin, J.J. Abrams, Friendly Fires

45 min

Elle Fanning, John Henson, Gruff Rhys

45 min

Sarah Ferguson, Ryan Lee, Ice Cube

45 min

Gordon Ramsay, Mike O'Malley, Hanson

45 min

Cedric the Entertainer, Ray Kurzweil, Breathe Carolina

45 min

Owen Wilson, Adam Levine, Panic! at the Disco

45 min

Eva Mendes, Jim Florentine, Pitbull

45 min

Molly Shannon, Tim Tebow, Matt Nathanson

45 min

Rosario Dawson, Michael Angarano, Jill Scott

45 min

Louis C.K., 'Bachelorette' Ashley Hebert, Missy Peregrym, Steel Magnolia

45 min

Jason Bateman, Dhani Jones, Hannibal Buress

45 min

Kevin Nealon, Dave Salmoni, Parachute

45 min

Shia LaBeouf, Aaron Rogers, 311

45 min

Rosanne Barr, Aaron Paul, Viva Brother

45 min

Kyra Sedgwick, Jay Forry, Theophilus London

45 min

John Stamos, Ashley Benson, Owl City

45 min

Dax Shepard, Stephen Moyer, Bush

45 min

Jon Favreau, Rutledge Wood, Big Talk

45 min

Daniel Craig, Sasha Alexander, The Features

45 min

Olivia Wilde, Adam Beach, Chris Young

45 min

Harrison Ford, Lady Gaga

45 min

Howie Mandel, Ashley Hebert, Jake Shimabukuro

45 min

Hank Azaria, Jim Sturgess, The Lonely Forest

45 min

James Franco, Ian McMillan, Coldplay

45 min

Jeremy Piven, Denise Richards, Todd Glass

45 min

Aziz Ansari, Chris Harrison, Eric Church

45 min

Jessica Alba, Steve Martorano, Luke Bryan

45 min

Jesse Eisenberg, Jerry Springer, Incubus

45 min

Betty White, Robert Rodriguez, Josh Ritter

45 min

Jamie Foxx, Affion Crocket, the Vaccines

45 min

Joel McHale, Joe Mantegna, the Band Perry

45 min

Zoe Saldana, Anton Yelchin, Amos Lee

45 min

Uncle Frank Memorial Celebration, Don Rickles

45 min

Elijah Wood, Jennifer Morrison, AWOLNATION

45 min

Khloe Kardashian, Gabe Dixon

45 min

Kristin Chenoweth, Freddie Wong & Brandon Laatsch

45 min

Nathon Fillion, Dave Salmoni and animals, Sia

45 min

Judge Judy Sheindlin, Emily VanCamp, Staind

45 min

Ty Burrell, Little League World Series champions, Cake

45 min

Steve Buscemi, Lily Collins, Ziggy Marley

45 min

Dr. Phil McGraw, Jon 'Bones' Jones & Quinton 'Rampage' Jackson, Switchfoot

45 min

Simon Cowell, the first 'Dancing with the Stars' castoff, Gavin DeGraw

45 min

Julie Bowen, Elisha Cuthbert, Pitbull

45 min

Ellen Pompeo, Sammi Giancola & Ronnie Magro, Daryl Hall

45 min

Dana Delany, Erin Andrews, Kelly Rowland

45 min

Eva Longoria, the latest 'Dancing with the Stars' castoff, Glen Campbell

45 min

Mark Wahlberg, Seth MacFarlane

45 min

Matt Stone & Trey Parker, Jessica Capshaw, Givers

45 min

Jane Lynch, Ramon Rodriquez, Blink 182

45 min

Evangeline Lilly, the latest 'Dancing with the Stars' castoff, Mute Math

45 min

Will Arnett, Jane Levy, J Cole

45 min

Antonio Banderas, 'Science Bob' Pflugfelder, Jane's Addiction

45 min

Paula Abdul, Kenny Wormald, Two Door Cinema Club

45 min

Don Rickles, “Dancing with the Stars” castoff Chynna Phillips, Peter Bjorn & John

45 min

Rob Lowe, Idris Elba, Chris Cornell

45 min

John Goodman, Lake Bell, Evanescence

45 min

Zach Galifianakis, Mike Judge, Primus

45 min

Hugh Laurie, Nicole “Snooki” Polizzi, Beavis & Butthead, “Dancing with the Stars” castoff Chaz Bono

45 min

David Spade, Tyra Banks, Brett Ratner, Frank Turner

45 min

Justin Timberlake, Rebecca Romijn, the Fray

45 min

Halloween Special: Paul Reubens, Bruno Tonioli, Megadeth

45 min

Adam Sandler, “Dancing with the Stars” castoff David Arquette, The Bangles

45 min

Ellen DeGeneres, Gabourey Sidibe, Chris Isaak

45 min

Eddie Murphy, Manny Pacquiao, Chickenfoot

45 min

Taylor Lautner, Herman Cain, Junip

45 min

Mickey Rourke, “Dancing with the Stars” castoff Nancy Grace, Wale

45 min

Robert Pattinson, Freida Pinto, Thompson Square

45 min

Kristen Stewart, Jon Bernthal, Feist

45 min

Sarah Michelle Geller, Miss Piggy, the Belle Brigade

45 min

Patricia Heaton, “Dancing with the Stars” finalists Rob Kardashian, Ricki Lake & J.R. Martinez, Christina Perri

45 min

Tim Allen, Jackson Rathbone, Miranda Lambert

45 min

Peter Facinelli, Jamie Oliver, Vince Gill

45 min

Artie Lange & Nick DiPaolo, Atticus Shafer, Lady Antebellum

45 min

David Beckham, Dana Delany, “Dancing with the Stars” winner J.R. Martinez, Nickelback

45 min

Regis Philbin, Paul Anka

45 min

Shaquille O'Neal, Julia Jones, David Guetta featuring Usher

45 min

Jim Parsons, Taylor Kitsch, My Morning Jacket

45 min

Matthew Morrison, Maggie Q, Yelawolf

45 min

Christina Applegate, Guy Ritchie, Jack's Mannequin

45 min

Armie Hammer, Jeri Ryan, T-Pain

45 min

Jane Fonda, Russell Brand, Lukas Nelson & Promise of the Real

45 min

Jeremy Renner, Judy Greer, Chevelle

45 min

Simon Cowell, Paula Abdul, Nicole Scherzinger & Antonio “L.A.” Reid, Anna Faris, The Kooks

45 min

Josh Holloway, Molly Sims, Death Cab for Cutie

45 min

Kathy Griffin, Jamie Bell, Young Jeezy

45 min

Robert Downey Jr., Lenny Kravitz

45 min