Season 4

E1 · Al Sharpton, Kenny Mayne

E2 · Carmen Electra, Autolux

E3 · John Mayer Trio

E4 · Cheryl Hines, David Banner

E5 · Dominic Monaghan, Lil' Wayne

E6 · Quentin Tarantino, Tia Carrere, John Daly

E7 · David Boreanaz, Henry Phillips

E8 · Evangeline Lilly, Jonathan Rhys-Meyers, Giant Drag

E9 · John Mayer Trio, Steve-O

E10 · Michael Chiklis, Roselyn Sanchez, Bo Bice

E11 · Adewale Akinnuoye-Agbaje, Drew Lachey, Chamillionaire ft. Lil' Flip

E12 · Method Man, Motion City Soundtrack, Jerry Bruckheimer

E13 · David Gest, Feist

E14 · Regis Philbin, Jordana Brewster, She Wants Revenge

E15 · Jerry Rice, Mike Epps, Mike O'Connell

E16 · Martin Lawrence, Dem Franchize Boyz ft. Bow Wow, Jermaine Dupri

E17 · Kid Rock, David Alan Grier

E18 · David Spade, Rob Schneider, Jon Heder, Dwele

E19 · Michael Irvin, Jeff Daniels, The Four Tops, Buddy Guy

E20 · Jessica Alba, Anthony Anderson, The Four Tops

E21 · SuperBowl Episode

E22 · Mischa Barton, Travis Barker & Shanna Moakler, James Blunt

E23 · Jorge Garcia, Dan Naturman, Nelly

E24 · Wilmer Valderrama, Dan Naturman, Golden Brooks, Dwight Yoakam

E25 · Nick Cannon, Kathy Griffin, Damian Marley

E26 · Steve Coogan, Travis Stork, Daddy Yankee

E27 · Freddie Prinze, Jr., John Daly, Jacks Mannequin

E28 · Flavor Flav

E29 · Fred Savage, Harold Perrineau Jr., Yellowcard

E30 · Jack Osbourne, Carolyn Murphy, Dem Franchize Boyz

E31 · Shaun White, Steve Harvey, Hawthorne Heights

E32 · Kathie Lee Gifford, Yehya Mohamed, Augustana

E33 · Simon Cowell, Jennifer Esposito, Dilated Peoples

E34 · Cuba Gooding Jr., Mike Birbiglia

E35 · Paul Walker, Hannah Teter, Bow Wow, Travis Barker

E36 · Kelly Ripa, Tracy Morgan

E37 · Stacy Keibler, Howie Mandel, Three Six Mafia

E38 · Jamie Oliver, Sasha Cohen, OK Go

E39 · After the Academy Awards

E40 · Zooey Deschanel, Dave Sheridan, Panic! At the Disco

E41 · Amanda Bynes, Chuck Lidell, Jamie Cullum

E42 · Michael Rapaport, Elisha Cuthbert, Matisyahu

E43 · John Lydon, Orlando Jones, Jim Gaffigan

E44 · Ice Cube, Elantu B. Veovode, Nine Black Alps

E45 · Adam Brody, John Cena, Juvenile featuring Galactic

E46 · Randy Jackson, Janet Reno, Hard-Fi

E47 · James Caan, Justin Chambers, The Tossers

E48 · Hulk Hogan, Yunjin Kim, Harold & Darrell Allen

E49 · George Lopez, Duane "Dog" Chapman, the Sounds

E50 · Jamie-Lynn Sigler, Larry the Cable Guy, Gogol Bordello

E51 · Kiefer Sutherland, Rocco DeLuca

E52 · Seth Green, Chop from "King of Cars," Anthony Jeselnik, John Anderson

E53 · Anthony Anderson, Pete Rose

E54 · Carmen Electra, David Gest, People in Planes

E55 · Tori Spelling, C. Thomas Howell, T.I.

E56 · Rebecca Romijn, Judge Marilyn Milian, T-Pain

E57 · Chris Matthews, Craig Bierko

E58 · Wilmer Valderamma, Chris Elliott, The Wiggles

E59 · Charlie Sheen, Rube Goldberg Contest winners, K.T. Tunstall

E60 · Paula Abdul, Enrico Colantoni, Mighty Gonzalez

E61 · Cheryl Hines, Landon Donovan, Bril

E62 · Eva Longoria, Dick Cavett, Dresden Dolls

E63 · Regis Philbin, Barry Watson, Mike Birbiglia

E64 · Natasha Henstridge, Robert Wuhl, the cast of MTV's "Call to Greatness"

E65 · LL Cool J, Robert Klein

E66 · Guy Pearce, Ludacris, Atmosphere

E67 · Susan Lucci, Adam Carolla, Rihanna

E68 · Joe Gannascoli, Kellie Pickler, Adam Carolla, Godsmack

E69 · Jenny McCarthy, Seth MacFarlane, The Cult

E70 · Sir Ian McKellen, Jared Leto, Franz Ferdinand

E71 · Chris O'Donnell, American Chopper Guys

E72 · Kathie Lee Gifford, Isaiah Washington, Art Brut

E73 · Famke Janssen, Jared Leto, 30 Seconds to Mars

E74 · Carl Reiner, Ashley Tisdale, Ivan Kane's Royal Jelly dancers, Martin Fry

E75 · Reggie Bush, Pat O'Brien, Lacuna Coil

E76 · Jamie Kennedy, Daryl Hannah, Jonathan Rice

E77 · Rev. Jesse Jackson, Jimmy Bennett, Nick Lachey

E78 · Dominic Monaghan, J.J. Abrams, Taking Back Sunday

E79 · Katherine Heigl, James Pickens Jr., Chandra Wilson, Ben Lee

E80 · Drew Carey, Malcolm David Kelley, Christina Milian

E81 · Teri Hatcher, Umphrey's McGee featuring Huey Lewis

E82 · Sarah Silverman, Artie Lange, Hoobastank

E83 · Sarah Silverman, James Cramer, Denny "Average Homeboy" Blaze

E84 · Julia Stiles, Jason Ritter, Atreyu

E85 · Jon Favreau, Mike Iaconelli, Elefant

E86 · Dane Cook, Brett Ratner

E87 · Ice Cube, Paget Brewster

E88 · Jessica Alba, Larry the Cable Guy, Him

E89 · Rosie Perez, Jared Hess, Elefant

E90 · John C. Reilly, Gary Gulman

E91 · Jaime Pressly, Xzibit, The Streets

E92 · Luke Perry, Jean Smart, Huey Lewis

E93 · Jack Black, Wolfmother

E94 · Fiona Apple

E95 · Ozzy Osbourne, Anthony Bourdain

E96 · Bonnie Hunt, Phil Gordon, Buckcherry

E97 · Geena Davis, Louis C.K., Jeff Corwin

E98 · Mariah Carey, Rob Zombie

E99 · Jason Alexander, Meagan Good, Jamie Kennedy

E100 · Tommy Lee, 98-year-old high school student Josephine Belasco, Greg Fitzsimmons, the Fixx

E101 · George Foreman, psychotherapist Richard Cohen, Blue October

E102 · Kathy Griffin, Jason Gray-Stanford, the Brand New Heavies

E103 · Ed Burns, NBA Finals MVP Dwayne Wade, Flyleaf

E104 · Tracy Morgan, Shaun Alexander, Sonic Youth

E105 · Lance Armstrong, Matt Dallas, Smoosh

E106 · Brittany Murphy, Danica Patrick, Eagles of Death Metal

E107 · Terrell Owens, Rainn Wilson, Rascal Flatts

E108 · Shawn & Marlon Wayans, Fred Willard, Korn

E109 · Robin Williams, Anna Faris, Rhymefest

E110 · Allison Janney, Morgan Spurlock, Jurassic 5

E111 · Rosario Dawson, Jesse Metcalf, the Flaming Lips

E112 · Gene Simmons, Jeff Ross, the Elected

E113 · Jon Cryer, the Dudesons, Los Lonely Boys

E114 · Regis Philbin, Trevor Fehrman, Pharrell

E115 · Flavor Flav, Leslie Bibb, Ben Harper

E116 · Sandra Oh, Jewel

E117 · Cheryl Hines, Shaun White, Russell Peters

E118 · Will Ferrell, Bobby Cannavale, Under the Influence of Giants

E119 · Matt Dillon, Justin Long, Ziggy Marley

E120 · Jonathan Winters, Kenan Thompson, Against Me!

E121 · Paul Reubens, snake handler Jules Sylvester, Obie Trice, Leonid "the Magnificent" Filatov

E122 · Samuel L. Jackson, Elisha Cuthbert, Cobra Starship

E123 · Heidi Klum, Dave Navarro, Panic Channel

E124 · Hillary Duff, Ultimate Fighting Champion Chuck Lidell, Anti-Flag

E125 · Tom Cavanaugh, Tommy Chong, Cartel

E126 · Anthony Michael Hall, Joan & Melissa Rivers, the Red Jumpsuit Apparatus

E127 · Kevin Nealon, Jay Chandrasekhar, Pat Green

E128 · Tommy Lee, Wayne Brady, Starsailor

E129 · Michael Rapaport, Jimmie Johnson, Jo Koy, Wayman Tisdale

E130 · Lauren Holly, private investigator Vinny Parco, the Roots

E131 · Ron Livingston, Toby Keith

E132 · Anthony Michael Hall, James Carville, Robert Randolph and the Family Band

E133 · Tyra Banks, Jason Statham, Papa Roach

E134 · Orlando Bloom, Emily Deschanel, Lyfe Jennings

E135 · Diane Lane, celebrity photographer Yehya Mohamed, Chingy

E136 · Chris Elliott, Rachel Bilson, LeToya

E137 · Sarah Silverman, Lionel Richie

E138 · Zach Braff, Xzibit, Josh Radin

E139 · Dwayne "The Rock" Johnson, Bam Margera, Lupe Fiasco

E140 · Felicity Huffman, Jet Li, Human League

E141 · Johnny Knoxville, Kim Raver, Patrizio

E142 · George Lopez, Clay Aiken

E143 · Jon Heder, Don, Mole and Perry, The Red Jumpsuit Apparatus

E144 · Evangeline Lilly, Anthony Anderson, Ludacris

E145 · Eva Longoria, Artie Lange

E146 · Dax Shepard, Jordana Brewster, The Killers

E147 · Dane Cook, Emilie de Ravin, The Killers

E148 · Jessica Simpson, Carlos Mencia, The Killers

E149 · Andy Dick, Diora Baird, Jet

E150 · Jason Lee, America Ferrera, Gym Class Heroes

E151 · Wanda Sykes, Sun Ming Ming, Ruben Studdard

E152 · Robin Williams, Rod Stewart

E153 · Justin Timberlake, Kate Walsh

E154 · John Stamos, Bobcat Goldthwait, Ivan Kane's Royal Jelly

E155 · Anne Heche

E156 · Ted Danson, Jennifer Tilly, Xzibit

E157 · Terry Bradshaw, Matt Davis, Lloyd Banks

E158 · Kathy Griffin, Shawnee Smith, Meat Loaf

E159 · Sharon Osbourne, Josh Radnor, the Wreckers

E160 · Roseanne Barr, Joseph Cross

E161 · Val Kilmer, Bowling for Soup

E162 · Lauren Graham, Ricardo Chavira, Anita Baker

E163 · Diddy, Tony Hawk

E164 · Julia Louis-Dreyfus, Lady Sovereign

E165 · Don Rickles, Nick and Aaron Carter, The Hold Steady

E166 · Pamela Anderson, Geraldo Rivera, Brent Simon

E167 · Tracy Morgan, Jerry Springer, Akon

E168 · Brittany Murphy, Shia LaBeouf, John Legend

E169 · Greg Kinnear, Marla Sokoloff, Sherrod Small

E170 · Billy Crystal, Ricky Martin

E171 · Teri Hatcher, Gary Brolsma, Rock Star Supernova

E172 · Regis Philbin, Jay-Z

E173 · Wilmer Valderrama, Michael Irvin, Chris Daughtry

E174 · Taye Diggs, Teri Garr, Todd Glass

E175 · Rachel Weisz, Chi McBride, Jenny Lewis

E176 · Elijah Wood, Tichina Arnold, Mute Math

E177 · David Allen Grier, Tatum O'Neal, Lily Allen

E178 · Thandie Newton, Peter Falk, Bow Wow with Chris Brown

E179 · Tom Arnold, Jo Frost, Corinne Bailey Rae

E180 · Ted Danson, Mary J. Blige

E181 · Jessica Biel, Mario Batali, Fantasia

E182 · Shawn and Marlon Wayans, Eric Dane, The Living End

E183 · Ryan Seacrest, Beck

E184 · Howard Stern, Forest Whitaker, Nas

E185 · Matthew Fox, Lawrence Taylor, +44

E186 · Adam Carolla, Giovanni Ribisi, OK Go

E187 · Sylvester Stallone, Gnarls Barkley

E188 · Matthew McConaughey, Yao Ming, Tracy McGrady, Hall & Oates

E189 · George Lopez, Giuliana DePandi, My Chemical Romance