S9 E1: Patricia Heaton, Brad Womack, Josh Groban

S9 E2: Matt LeBlanc, Julie Benz, Michael Carbonaro

S9 E3: Simon Baker, Nicole 'Snooki' Polizzi, Lloyd Banks

S9 E4: Amy Adams, Chris Colfer, Young the Giant

S9 E5: Cameron Diaz, Scott Foley, Far East Movement

S9 E6: Channing Tatum, Mamie Gummer, A Day To Remember

S9 E7: Sandra Oh, Rico Rodriguez, Nolan Gould, Ariel Winter, Fitz & the Tantrums

S9 E8: Seth Rogen, Elle Fanning, the Damned Things

S9 E9: Randy Jackson, Jennifer Lawrence, Andrew Norelli

S9 E10: Don Rickles, Wilmer Valderrama, New Politics

S9 E11: Ryan Gosling, Kourtney Kardashian, Ra Ra Riot

S9 E12: James McAvoy, Jim Sturgess, K.T. Tunstall

S9 E13: Cory Monteith, Joan Rivers, the Script

S9 E14: Anthony Hopkins, Hailee Steinfeld, Delta Spirit

S9 E15: Amy Poehler, Martha Plimpton, Cold War Kids

S9 E16: Ryan Seacrest, Melissa Leo, Cage the Elephant

S9 E17: Julianna Margulies, Matthew Bomer, the JaneDear Girls

S9 E18: Jamie Foxx, Sarah Shahi

S9 E19: Josh Brolin, Camille Grammer, Tinie Tempah

S9 E20: Kim Kardashian, Alex Trebek, One eskimO

S9 E21: Dr. Phil McGraw, Amy Sedaris, Nelly

S9 E22: Matthew Perry, Morena Baccarin, Pitbull

S9 E23: Adam Sandler, Bobby Flay, Ke$ha

S9 E24: Justin Bieber, Travis Barker featuring Game and Swizz Beats

S9 E25: Martin Lawrence, Dianna Agron, Jewel

S9 E26: Jeremy Renner, Eric Stonestreet, Black Dub

S9 E27: Javier Bardem, Flavor Flav, Stone Sour

S9 E28: Jason Sudeikis, Blake Griffin, Keri Hilson

S9 E29: Cameron Diaz, Henry Winkler, Cake

S9 E30: Nancy Grace, Twilight Singers

S9 E31: Owen Wilson, Kelly Ripa, Adele

S9 E32: Tom Hanks, Cee Lo Green

S9 E33: Bill Maher, Esperanza Spalding

S9 E34: Emily Blunt, Max Irons, Aaron Lewis

S9 E35: Amanda Seyfried, Nick Offerman, Henry Wolfe

S9 E36: Howard Stern, Michael Franti

S9 E37: Ryan Phillippe, Mila Kunis, the new 'Bachelorette', Ron Sexsmith

S9 E38: Jane Lynch, David Boreanaz, Avril Lavigne

S9 E39: Kristen Wiig, Adam Scott, the Wombats

S9 E40: Matthew McConaughey, Jena Malone, Young Dubliners

S9 E41: Liv Tyler, Mark Cuban, Brett Dennen

S9 E42: Rainn Wilson, Abbie Cornish, the Gaslight Anthem

S9 E43: Jake Gyllenhaal, Jerry Weintraub, Quinn Sullivan

S9 E44: Penelope Cruz, Paul Iacono, Oh Land

S9 E45: Sharon Osbourne, Bruno Tonioli, the Sounds

S9 E46: Johnny Knoxville, the latest 'Dancing With the Stars' castoff, Britney Spears

S9 E47: Danny McBride, Sara Ramirez, Duran Duran

S9 E48: David Beckham, Wes Craven, Sum 41

S9 E49: Katie Holmes, Dana Delany, Bad Religion

S9 E50: Christian Slater, Dr. Drew Pinsky, the latest 'Dancing with the Stars' castoff, the Decemberists

S9 E51: Norm MacDonald, Elisha Cuthbert, Funeral Party

S9 E52: Vin Diesel, Neve Campbell, Ellie Goulding

S9 E53: David Arquette, Mike Birbiglia, Asking Alexandria

S9 E54: Emma Roberts, Morgan Spurlock, the latest 'Dancing with the Stars' castoff, Jenny and Johnny

S9 E55: Eva Longoria, Patrick Warburton, Robyn

S9 E56: Tom Arnold, Alison Brie, Francis & the Lights

S9 E57: Courtney Cox, Gary Busey, Jessie J

S9 E58: Dwayne Johnson, the latest 'Dancing with the Stars' castoff, Sammy Hagar, the Belle Brigade

S9 E59: Robert Pattinson, Shailene Woodley, Lenka

S9 E60: Christoph Waltz, Kunal Nayyar, Phantogram

S9 E61: Martin Short, Kat Dennings, Alter Bridge

S9 E62: Mark Ruffalo, Jamie Oliver, the latest 'Dancing with the Stars' castoff, Robbie Robertson

S9 E63: Larry King, Jaimie Alexander, Augustana

S9 E64: Diane Sawyer, Sofia Vergara, Manny Pacquiao, the Airborne Toxic Event

S9 E65: Rene Russo, Kristin Gore, k.d. lang

S9 E66: Anthony Hopkins, Andre Agassi, “Dancing with the Stars” castoff Kendra Wilkinson-Baskett

S9 E67: Kenneth Branagh, Ellie Kemper, the 2011 National School Scrabble Champions

S9 E68: Chris Hemsworth, Calexico

S9 E69: Rob Lowe, Ty Pennington, Wiz Khalifa

S9 E70: Nathan Fillion, the latest 'Dancing with the Stars' castoff, Calle 13

S9 E71: Chris O'Donnell, Ginnifer Goodwin, Zac Brown Band

S9 E72: Kate Hudson, Windell Middlebrooks, Raphael Saadiq

S9 E73: Topher Grace, Adam Carolla, Christina Perri

S9 E74: Albert Brooks, Chaz Bono, Rammstein

S9 E75: Khloe Kardashian Odom, 'Science Bob' Pflugfelder, Scott Weiland

S9 E76: Wanda Sykes, 'Bachelorette' Ashley Hebert, Foster the People

S9 E77: “Dancing with the Stars” winners Hines Ward & Kym Johnson, Taylor Lautner, Britney Spears

S9 E78: Jesse Tyler Ferguson, Sarah Vowell, Maybach Music Group featuring Rick Ross

S9 E79: Christina Aguilera, Mike Tyson, Big Sean

S9 E80: Carson Daly, Flavor Flav, I See Stars

S9 E81: Jason Sudeikis, Piers Morgan, Lykke Li

S9 E82: Paris Hilton, “Bachelorette” Ashley Hebert, spelling bee champion Sukanya Roy, Sara Bareilles

S9 E83: Kathy Griffin, J.J. Abrams, Friendly Fires

S9 E84: Elle Fanning, John Henson, Gruff Rhys

S9 E85: Sarah Ferguson, Ryan Lee, Ice Cube

S9 E86: Gordon Ramsay, Mike O'Malley, Hanson

S9 E87: Cedric the Entertainer, Ray Kurzweil, Breathe Carolina

S9 E88: Owen Wilson, Adam Levine, Panic! at the Disco

S9 E89: Eva Mendes, Jim Florentine, Pitbull

S9 E90: Molly Shannon, Tim Tebow, Matt Nathanson

S9 E91: Rosario Dawson, Michael Angarano, Jill Scott

S9 E92: Louis C.K., 'Bachelorette' Ashley Hebert, Missy Peregrym, Steel Magnolia

S9 E93: Jason Bateman, Dhani Jones, Hannibal Buress

S9 E94: Kevin Nealon, Dave Salmoni, Parachute

S9 E95: Shia LaBeouf, Aaron Rogers, 311

S9 E96: Rosanne Barr, Aaron Paul, Viva Brother

S9 E97: Kyra Sedgwick, Jay Forry, Theophilus London

S9 E98: John Stamos, Ashley Benson, Owl City

S9 E99: Dax Shepard, Stephen Moyer, Bush

S9 E100: Jon Favreau, Rutledge Wood, Big Talk

S9 E101: Daniel Craig, Sasha Alexander, The Features

S9 E102: Olivia Wilde, Adam Beach, Chris Young

S9 E103: Harrison Ford, Lady Gaga

S9 E104: Howie Mandel, Ashley Hebert, Jake Shimabukuro

S9 E105: Hank Azaria, Jim Sturgess, The Lonely Forest

S9 E106: James Franco, Ian McMillan, Coldplay

S9 E107: Jeremy Piven, Denise Richards, Todd Glass

S9 E108: Aziz Ansari, Chris Harrison, Eric Church

S9 E109: Jessica Alba, Steve Martorano, Luke Bryan

S9 E110: Jesse Eisenberg, Jerry Springer, Incubus

S9 E111: Betty White, Robert Rodriguez, Josh Ritter

S9 E112: Jamie Foxx, Affion Crocket, the Vaccines

S9 E113: Joel McHale, Joe Mantegna, the Band Perry

S9 E114: Zoe Saldana, Anton Yelchin, Amos Lee

S9 E115: Uncle Frank Memorial Celebration, Don Rickles

S9 E116: Elijah Wood, Jennifer Morrison, AWOLNATION

S9 E117: Khloe Kardashian, Gabe Dixon

S9 E118: Kristin Chenoweth, Freddie Wong & Brandon Laatsch

S9 E119: Nathon Fillion, Dave Salmoni and animals, Sia

S9 E120: Judge Judy Sheindlin, Emily VanCamp, Staind

S9 E121: Ty Burrell, Little League World Series champions, Cake

S9 E122: Steve Buscemi, Lily Collins, Ziggy Marley

S9 E123: Dr. Phil McGraw, Jon 'Bones' Jones & Quinton 'Rampage' Jackson, Switchfoot

S9 E124: Simon Cowell, the first 'Dancing with the Stars' castoff, Gavin DeGraw

S9 E125: Julie Bowen, Elisha Cuthbert, Pitbull

S9 E126: Ellen Pompeo, Sammi Giancola & Ronnie Magro, Daryl Hall

S9 E127: Dana Delany, Erin Andrews, Kelly Rowland

S9 E128: Eva Longoria, the latest 'Dancing with the Stars' castoff, Glen Campbell

S9 E129: Mark Wahlberg, Seth MacFarlane

S9 E130: Matt Stone & Trey Parker, Jessica Capshaw, Givers

S9 E131: Jane Lynch, Ramon Rodriquez, Blink 182

S9 E132: Evangeline Lilly, the latest 'Dancing with the Stars' castoff, Mute Math

S9 E133: Will Arnett, Jane Levy, J Cole

S9 E134: Antonio Banderas, 'Science Bob' Pflugfelder, Jane's Addiction

S9 E135: Paula Abdul, Kenny Wormald, Two Door Cinema Club

S9 E136: Don Rickles, “Dancing with the Stars” castoff Chynna Phillips, Peter Bjorn & John

S9 E137: Rob Lowe, Idris Elba, Chris Cornell

S9 E138: John Goodman, Lake Bell, Evanescence

S9 E139: Zach Galifianakis, Mike Judge, Primus

S9 E140: Hugh Laurie, Nicole “Snooki” Polizzi, Beavis & Butthead, “Dancing with the Stars” castoff Chaz Bono

S9 E141: David Spade, Tyra Banks, Brett Ratner, Frank Turner

S9 E142: Justin Timberlake, Rebecca Romijn, the Fray

S9 E143: Halloween Special: Paul Reubens, Bruno Tonioli, Megadeth

S9 E144: Adam Sandler, “Dancing with the Stars” castoff David Arquette, The Bangles

S9 E145: Ellen DeGeneres, Gabourey Sidibe, Chris Isaak

S9 E146: Eddie Murphy, Manny Pacquiao, Chickenfoot

S9 E147: Taylor Lautner, Herman Cain, Junip

S9 E148: Mickey Rourke, “Dancing with the Stars” castoff Nancy Grace, Wale

S9 E149: Robert Pattinson, Freida Pinto, Thompson Square

S9 E150: Kristen Stewart, Jon Bernthal, Feist

S9 E151: Sarah Michelle Geller, Miss Piggy, the Belle Brigade

S9 E152: Patricia Heaton, “Dancing with the Stars” finalists Rob Kardashian, Ricki Lake & J.R. Martinez, Christina Perri

S9 E153: Tim Allen, Jackson Rathbone, Miranda Lambert

S9 E154: Peter Facinelli, Jamie Oliver, Vince Gill

S9 E155: Artie Lange & Nick DiPaolo, Atticus Shafer, Lady Antebellum

S9 E156: David Beckham, Dana Delany, “Dancing with the Stars” winner J.R. Martinez, Nickelback

S9 E157: Regis Philbin, Paul Anka

S9 E158: Shaquille O'Neal, Julia Jones, David Guetta featuring Usher

S9 E159: Jim Parsons, Taylor Kitsch, My Morning Jacket

S9 E160: Matthew Morrison, Maggie Q, Yelawolf

S9 E161: Christina Applegate, Guy Ritchie, Jack's Mannequin

S9 E162: Armie Hammer, Jeri Ryan, T-Pain

S9 E163: Jane Fonda, Russell Brand, Lukas Nelson & Promise of the Real

S9 E164: Jeremy Renner, Judy Greer, Chevelle

S9 E165: Simon Cowell, Paula Abdul, Nicole Scherzinger & Antonio “L.A.” Reid, Anna Faris, The Kooks

S9 E166: Josh Holloway, Molly Sims, Death Cab for Cutie

S9 E167: Kathy Griffin, Jamie Bell, Young Jeezy

S9 E168: Robert Downey Jr., Lenny Kravitz