S6 E1: Andy Dick, Helio Castroneves, Kid Rock

S6 E2: Rev. Al Sharpton, Rich Eisen, Two Gallants

S6 E3: Season 5, Episode 158

S6 E4: Kathy Griffin, Scott Baio, Velvet Revolver

S6 E5: Jay Thomas, Ivanka Trump, Blake Lewis

S6 E6: Slash, Santeri Ojala, Lupe Fiasco

S6 E7: Jay Leno, Hannah Teter, Wyclef Jean

S6 E8: Ice Cube, Carrie Ann Inaba, Xavier Rudd

S6 E9: David Alan Grier, Dr. Drew Pinsky, Brett Dennen

S6 E10: Jordin Sparks, Robbie Madison

S6 E11: Hugh Hefner, Bruno Tonioli, Rob and Big, Jill Scott

S6 E12: Gene Simmons, Kat Von D, Raheem DeVaughn

S6 E13: Kellie Pickler, Rob and Big

S6 E14: Marilu Henner, The Bravery

S6 E15: Heidi Montag, Jose Canseco, Chris Bennett

S6 E16: Adam Carolla, Janice Dickinson, Sia

S6 E17: Hulk Hogan, Niki Taylor, Sum 41

S6 E18: ?

S6 E19: Sarah Silverman, Coldplay

S6 E20: Bobby Brown, Adam Levine, Maroon 5

S6 E21: Drew Lachey, Mike Rowe, Hot Chip

S6 E22: Ashlee Simpson, Joey Fatone, 50 Cent

S6 E23: Unknown

S6 E24: Flavor Flav, New York Giant David Tyree, Rocco DiSpirito

S6 E25: Jarod Miller, Richard Branson, Anthony Jeselnik

S6 E26: Tom Green, Rebecca Mader, Jonathan Rice

S6 E27: Lance Bass , Brandon Hardesty, Marisa Miller, Alice Smith

S6 E28: Brandon Hardesty, Natasha Henstridge, Matt Nathanson, Ben Stein

S6 E29: Johnny Knoxville, Tommy Kendall, Ben Kronberg

S6 E30: Hayden Christensen, Marissa Jaret Winokur, Taylor Dayne

S6 E31: Maura Tierney, Sam Champion, Colbie Caillat

S6 E32: Post-Oscar special with Jon Stewart, Ben Affleck, Mary J. Blige

S6 E33: Craig Bierko, Julianne Hough, The Helio Sequences

S6 E34: Nate Berkus, Mary J. Blige, Missy Higgins

S6 E35: Heidi Klum, Jim Cramer, Bullet For My Valentine

S6 E36: Martin Lawrence, Judy Greer

S6 E37: Janet Jackson, Jackie Mason, Todd English

S6 E38: Anne Heche, Joel McHale, Coheed & Cambria

S6 E39: Woody Harrelson, Ax Men, Simple Plan

S6 E40: Will Arnett, Camilla Belle, All Time Low

S6 E41: Naomi Watts, James Blake, Cobra Starship

S6 E42: Adam Carolla, Sheryl Crow

S6 E43: Tori Spelling, Steven Strait, Rick Ross

S6 E44: Djimon Hounsou, Kenneth Hotz & Spencer Rice, Fat Joe

S6 E45: The first two eliminated celebrities from "Dancing with the Stars", Roseanne Barr, Panic! at the Disco

S6 E46: John Cusack, Sofia Vergara, the Jonas Brothers

S6 E47: Don Rickles, Jim Sturgess, Black Tide

S6 E48: Kate Bosworth, Spencer Grammer, Serj Tankian

S6 E49: Ryan Phillippe, Steve Guttenberg, Carole King

S6 E50: Randy Jackson, Julie Bowen, Back Door Slam

S6 E51: 1000th Episode with Eva Longoria Parker, Richard Simmons, Kid Rock

S6 E52: Artie Lang, Spencer Grammer, Paramore

S6 E53: Thomas Haden Church, Adam Carolla, Phantom Planet

S6 E54: Tom Arnold, Bret Michaels, Human Giant

S6 E55: Nicollette Sheridan, New Orleans Hornet Chris Paul, Switches

S6 E56: Keanu Reeves, Leona Lewis

S6 E57: America Ferrera, Priscilla Presley, Motley Crue

S6 E58: Minnie Driver, Milo Ventimiglia, Danity Kane

S6 E59: Dax Shepard, Ricki Lake, John Mulaney

S6 E60: Charles Barkley, Judd Apatow, Lyrics Born

S6 E61: Brad Garrett, Marlee Matlin, Paul Thorn

S6 E63: David Spade, Jean Smart, Ashlee Simpson

S6 E64: Neil Patrick Harris, Marilu Henner, The Swell Season

S6 E65: Vanessa Williams, Shannon Elizabeth, Cinematic Orchestra

S6 E66: Angie Harmon, Chef Adam Perry Lang, Def Leppard

S6 E67: Sean "Diddy" Combs, John Cho, Stone Temple Pilots

S6 E68: Terrence Howard, Damon Lindelof and Carlton Cuse, Estelle

S6 E69: Robert Downey Jr., Mario, Lyfe Jennings

S6 E70: Christina Ricci, Mario Batali, Lil Mama

S6 E71: Ashton Kutcher, Isabella Rossellini, Gavin Degraw

S6 E72: Kelsey Grammer, Alex Trebek, Ludo

S6 E73: Evangeline Lilly, Ben Barnes, Joe Jackson

S6 E74: Josh Holloway, Brad Williams, Dierks Bentley

S6 E75: Ryan Seacrest, Clay Aiken

S6 E76: Matthew Fox, the winner of "Dancing with the Stars", Pussycat Dolls

S6 E77: Josh Groban, Kat Von D, The Kooks

S6 E78: Al Reynolds, Death Cab for Cutie

S6 E79: Shia LaBeouf, Neil Diamond

S6 E80: Dennis Hopper, Doug Benson

S6 E81: Quinton "Rampage" Jackson, Coldplay

S6 E82: Usher

S6 E83: Kevin Nealon, DeAnna Pappas, The Ting Tings

S6 E84: Season 6, Episode 84

S6 E85: Seann William Scott,Emmanuelle Chriqui, N.E.R.D.

S6 E86: Kathy Griffin, Josh Peck, Esperanza Spalding

S6 E87: Tim Roth, Kenny Mayne, Carolina Liar

S6 E88: John Leguizamo , Dan Abrams, Secondhand Serenade

S6 E89: Dwayne Johnson, Steve Carell

S6 E90: Game Night primetime special: Sen. John McCain, Mike Myers, late night: Kate Walsh, Jerry Springer, Chromeo

S6 E91: Steve Carell, Jewel

S6 E92: Regis Philbin, Sharon Osborne, Lil Wayne

S6 E93: Peter Berg, Romany Malco, Billy Idol

S6 E94: Mike Myers, Mel B., the All For Nots

S6 E95: Whoopi Goldberg, Fred Willard, Cyndi Lauper

S6 E96: Charlize Theron, Guillermo del Toro, We the Kings

S6 E97: Andy Samberg, Minnie Driver, Shwayze

S6 E98: Nick Lachey, Gabrielle Union, Nas

S6 E99: Justin Timberlake, Kim Kardashian, Cool Kids

S6 E100: Maggie Gyllenhaal, Ant and Dec, Minus the Bear

S6 E101: Seth Green, Jesse Ventura, Jamie Lidell

S6 E102: George Foreman, Alanis Morissette

S6 E103: Paul Giamatti, Mitch Rouse, Los Lonely Boys

S6 E104: Will Ferrell, John C. Reilly, Mel B, Does It Offend You Yeah?

S6 E105: Seth Green, Jesse Ventura, Jamie Lidell

S6 E106: Gillian Anderson, Alex Cambert, Bryan Adams

S6 E107: David Duchovny, Katharine McPhee, Wendy Liebman

S6 E108: Mariah Carey, Dan Abrams

S6 E109: Catherine Bell, Huey Lewis and the News

S6 E110: Rosie Perez, Brandon T. Jackson, Tyga

S6 E111: Luke Wilson, Eliza Dushku, Rev Theory

S6 E112: James Franco, Tommy Lee, From First to Last

S6 E113: Ben Stiller, Danica McKellar, Airbourne

S6 E114: Don Rickles, "Dancing with the Stars" contestant Maurice Greene, The Game

S6 E115: Don Cheadle, Emma Stone, Lady Antebellum

S6 E116: Kristin Chenoweth, Staind

S6 E117: Lauren Conrad, Tyrese, Glen Campbell

S6 E118: Kevin Nealon, Jo Frost, Judas Priest

S6 E119: Russell Brand, Christina Hendricks, Young Jeezy

S6 E120: Aaron Eckhart, Metro Station

S6 E121: Taye Diggs & Sarah Jane Morris

S6 E122: Kobe Bryant, Tokio Hotel

S6 E123: Martin Short

S6 E124: Debra Messing, Buckcherry

S6 E125: Darren Taylor, Terrence Howard, Michelle Monaghan

S6 E126: Brad Garrett, Kerry Washington, Adam Perry Lang, Buckcherry

S6 E127: Alyssa Milano, Stephen Merchant, Ne-Yo

S6 E128: Ricky Gervais, Carla Gugino, Good Charlotte

S6 E129: Michelle Monaghan, Cold War Kids

S6 E130: Shia LaBeouf, January Jones, Nelly

S6 E131: Dane Cook, Dylan & Cole Sprouse, Atmosphere

S6 E132: Sandra Oh, the first "Dancing with the Stars" castoff, Foals

S6 E133: Rob Lowe, Kimbo Slice, Chris Bianco

S6 E134: Ricky Gervais, Carla Gugino, Good Charlotte

S6 E135: Jon Favreau, Elvis Costello, the latest castoff from "Dancing with the Stars"

S6 E136: Rosario Dawson, Jamie Kennedy, Gavin Rossdale

S6 E137: Bill Maher, Jennifer Hudson

S6 E138: Lucy Liu, John Slattery, Morgan Murphy

S6 E139: Chris O'Donnell, the latest "Dancing with the Stars" castoff, Scars on Broadway

S6 E140: David Alan Grier, Amaury Nolasco, Jessie Baylin

S6 E141: Mark Wahlberg, Dania Ramirez

S6 E142: Mila Kunis, Ben Stein, The Knux

S6 E143: The latest "Dancing with the Stars" castoff, Jesse McCartney

S6 E144: Amy Sedaris, Jonny Lee Miller, animal specialist Kirstin McMillan

S6 E145: Colin Farrell, Natalie Zea, Lady GaGa

S6 E146: Tom Arnold, Shea Whigham, Smashing Pumpkins

S6 E147: Kristin Chenoweth, "Dancing with the Stars" castoff Cloris Leachman, Alkaline Trio

S6 E148: Seth Rogen, Corbin Bleu, the Whigs

S6 E149: Sarah Silverman, T.I.

S6 E150: Nicolette Sheridan, Craig Robinson, N.E.R.D.

S6 E151: Dr. Phil, Jordana Brewster, Eagles of Death Metal

S6 E152: Sean Hayes, Susan Lucci, Kenny Maynes, John Legend

S6 E153: Samuel L. Jackson, Bridget Regan, Hinder

S6 E154: Terry Bradshaw, Jesse Metcalf

S6 E155: Joshua Jackson, the latest

S6 E156: Julia Louis Dreyfus, Dave Annable, Julianne Hough

S6 E157: Daniel Craig, Olga Kurylenko

S6 E158: Artie Lang, Candace Bushnell, T-Pain

S6 E159: Kate Walsh, Mystery, the latest "Dancing with the Stars" castoff, Paramore

S6 E160: Ellen Pompeo, Shaun White, Leona Lewis

S6 E161: Jay Leno, the Hives

S6 E162: Tracey Ullman, Baz Luhrmann

S6 E163: Earvin "Magic" Johnson, Anna Torv, the Killers

S6 E164: The winner of "Dancing with the Stars", the Jonas Brothers

S6 E165: Reese Witherspoon, Craig and Paul Pumphrey, Scott Weiland

S6 E166: Molly Shannon, Danny Masterson, Common

S6 E167: Zooey Deschanel, Brian Austin Green, Adele

S6 E168: Gabriel Macht, Sean "Diddy" Combs, Snow Patrol

S6 E169: Amanda Peet, jet pack pilot Eric Scott, Freddy Rodriguez, Barry Manilow

S6 E170: Courtney Cox, Bradley Cooper, the Cure

S6 E171: Keri Russell, Steve Martorano, the Fray

S6 E172: Russell Brand, Thomas Kretschmann, All American Rejects

S6 E173: Adam Sandler, Jaime King, Fall Out Boy