Season 1

Co-host Snoop Dogg; actor George Clooney; star player from the winning Super Bowl team; musical guest Coldplay.

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Co-host Snoop Dogg; the Rock; Al Michaels; musical guest 50 Cent.

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Co-host Snoop Dogg; actor Seth Green; musical guest LeAnn Rimes.

Co-host Snoop Dogg performs; actor David Alan Grier; spelling bee.

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Actor Andy Dick; Tonic performs. Guest co-host: Adam Carolla.

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Co-host Adam Carolla; actress Jolene Blalock; rapper Talib Kweli; comic Patton Oswalt.

Co-host Adam Carolla; actress Heather Graham; home designer Christopher Lowell.

Co-host Adam Carolla; actress Adrienne Barbeau; rapper Erick Sermon.

Co-host Janeane Garofalo; actress Famke Janssen; Guttermouth performs.

Co-host Janeane Garofalo; actor Jamie Kennedy; Field Mob performs.

Co-host Janeane Garofalo; actress Laura Linney; comedians Bob Odenkirk and David Cross; Chevelle performs.

Actor Emmanuel Lewis; former NBA player Bill Walton; Kaiju wrestlers. Guest co-host: Janeane Garofalo.

Co-host Janeane Garofalo; actress Jennifer Garner; journalist Rich Eisen; Little League pitcher Marti Sementelli.

Actress Lauren Graham; stuntman Super Dave Osborne; Har Mar Superstar performs. Guest co-host: Don King.

Papa Roach performs. Guest co-host Don King.

Co-host Don King; actor Vince Vaughn; actress Monica Bellucci; TATU performs.

Anna Nicole Smith ("The Anna Nicole Show"); boxer Lennox Lewis; comic Todd Glass. Guest co-host: Don King.

Co-host Don King; Evan Marriott ("Joe Millionaire"); Steve-O ("Jackass").

Actor Jeff Goldblum; model Molly Sims; rapper Fabolous.

Co-host Sarah Silverman; model Rachel Hunter; actor Eugene Levy; comic James Claire Lewis; musical group Nappy Roots.

Co-host Sarah Silverman; actress Roseanne; Subway spokesman Jared Fogle.

Co-host Sarah Silverman; actor Tom Arnold; Bowling for Soup performs.

Guest co-host comic Jeff Ross; actor John Leguizamo; record executive Suge Knight; Cook E. Jarr performs.

Guest co-host comic Jeff Ross; actor Eugene Levy.

Guest co-host comic Jeff Ross; actor Lorenzo Lamas; "South Park" creators Matt Stone and Trey Parker; Smilez & Southstar perform.

Dancer-choreographer Cris Judd, winner of "I'm a Celebrity, Get Me Out of Here!"; Happatai performs; comic Jeff Ross.

Guest co-host comic Jeff Ross; model Brooke Burke; actor R. Lee Ermey.

Guest co-host Fred Durst; Smothers Brothers; yo-yo enthusiast Dave Capurro; model Carolyn Murphy; Flogging Molly performs.

Guest co-host Fred Durst; singer Geri Halliwell; actor Darrell Hammond; Supergrass performs

Guest co-host Fred Durst; actor Mark Ruffalo; actor Frankie Muniz; the Marijuana-logues.

Guest co-host Fred Durst; Damon Dash of Roc-A-Fella Records; TV personality Jillian Barberie; the Revolution Smile performs.

Guest co-host Fred Durst; astrologer Larry Pines.

Guest co-host Slash; comics/actors Dave Foley and Scott Thompson; actress Janel Maloney.

Guest co-host Slash; professional wrestler "Stone Cold" Steve Austin; film producer Robert Evans; Mr. Cheeks performs.

Guest co-host Slash; actor Ashton Kutcher; journalist Pat O'Brien; Cypress Hill performs.

Guest co-host Slash; actress Alyson Hannigan; mentalist the Amazing Kreskin; musician Killer Mike featuring Big Boi.

Guest co-host Slash; actress Thora Birch; comic Doug Benson; Camp Freddy performs.

Guest co-host Mike Tyson; actress Wanda Sykes; Saliva performs.

Guest co-host Mike Tyson; former LA Dodgers manager Tommy Lasorda; comic Guy Torry.

Guest co-host Mike Tyson; Cam'ron, featuring the Diplomats, performs.

Guest co-host Mike Tyson; actress Ali Landry; actor Marlon Wayans; Time Lapse Consortium performs.

Ring announcer Michael Buffer; actor Michael Vartan; the Foo Fighters perform. Guest co-host: Mike Tyson.

Guest co-host David Alan Grier; model Leeann Tweeden; professional ballplayer Curt Schilling.

Guest co-host David Alan Grier; actor Rory Culkin; comic Demetri Martin; "Are You Hot?" winners Chantille Boudousque and David Maxwell.

Guest co-host David Alan Grier; actress Shannen Doherty; actor Charles Nelson Reilly.

Guest co-host David Alan Grier; actor Eddie Griffin; actress Krista Allen.

Guest co-host David Alan Grier; talk-show-host Regis Philbin; Godsmack performs.

Guest co-host Deion Sanders; comic Joan Rivers; Sum 41 performs.

Guest co-host Deion Sanders; actress Mila Kunis; TV/radio personality Adam Carolla; Andrew Antone performs.

Guest co-host Deion Sanders; motorcyclists Ricky Carmichael and James "Bubba" Stewart; television host Jillian Barberie; the Transplants perform.

Guest co-host Deion Sanders; TV personality Michael Irvin; actress Connie Britton; Disturbed performs.

Guest co-host Deion Sanders; former astronaut Buzz Aldrin; Liquid Movement Master.

Guest co-host Jamie Kennedy; actor John Ritter; satirist Mo Rocca.

Guest co-host Jamie Kennedy; pro wrestler Bill Goldberg; Maroon 5 performs.

Guest co-host Jamie Kennedy; actor William Shatner; actress Aisha Tyler; Queens of the Stone Age perform.

Guest co-host Jamie Kennedy; NASCAR driver Dale Earnhardt Jr.; Sarah Kozer ("Joe Millionaire"); musical prodigy Robert Tsai.

Guest co-host Jamie Kennedy; actress Carmen Electra; former NFL player Terry Bradshaw.

Guest co-host John Edward; actress Sarah Wynter; twins Nicole and Roxanne ("The Real Cancun"); Fischerspooner performs.

Guest co-host John Edward; actor Hal Sparks; Polyphonic Spree performs.

Guest co-host John Edward; actor Ray Liotta; actor Nick Swardson; the Calvanes perform.

Guest co-host John Edward; actress Rebecca Romijn-Stamos; actor Donal Logue; 720-pound sumo champion.

Guest co-host John Edward; sports broadcaster Jim Rome; Marvel comics' Stan Lee.

Co-host Patton Oswalt; actor David Boreanaz; comic Jeff Garcia; Ozomatli performs.

Co-host Patton Oswalt; musician Yoko Ono; actress Poppy Montgomery; comic Neil Hamburger.

Co-host Patton Oswalt; dancer/singer Paula Abdul ("American Idol"); Lil' Mo performs.

Co-host Patton Oswalt; actress Sarah Silverman; pro wrestler Chris Jericho; K-Os performs.

Co-host Patton Oswalt; actor Frankie Muniz; actress Shannon Elizabeth; Isaac Hayes sits in with the house band.

Guest co-host Monica Lewinsky; pro skateboarder Tony Hawk; Lil' Kim performs.

Guest co-host Monica Lewinsky; actor Mekhi Phifer; actor David James Elliott; Cold performs.

Guest co-host Monica Lewinsky; actor Luke Perry; Marilyn Manson performs.

Guest co-host Ed McMahon; auto racer Helio Castroneves.

Guest co-host Ed McMahon; boxer Roy Jones Jr.; actress/model Brooke Burns; Corn Mo' performs.

Guest co-host Ed McMahon; comic/actor Jeff Garlin; Mexican midget wrestlers ("Lucha Va Voom"); poker player Amarillo Slim; the Mighty Mighty BossTones perform.

Guest co-host Ed McMahon; Andrew Firestone and Jen Schefft ("The Bachelor"); Toby Keith performs.

Guest co-host Ed McMahon; actress Catherine Bell; Kenny Chesney performs.

Guest co-host Method Man; comic/actor George Lopez; martial artist Stephen Chow; comics Mark Cohen and Henry Phillips.

Guest co-host Method Man; actor/producer Henry Winkler; hip-hop artist Redman; "The Marijuana-logues."

Guest co-host Method Man; Tyrese performs.

Guest co-host Method Man; comic/actor Dave Chappelle; pro basketball player Vince Carter; Finch performs.

Guest co-host Method Man; actor Cole Hauser; singer Kelly Osbourne; the Datsuns perform.

Guest co-host Jay Mohr; actress/model Tyra Banks; former ballplayer Ted "Double Duty" Radcliffe; TV personality Jesse James ("Monster Garage").

Guest co-host Jay Mohr; comic/actress Cheri Oteri; Bone Crusher performs.

Guest co-host Jay Mohr; pro wrestler Triple H; 4-year-old wrestling expert; Dave Wakeling sits in with the house band.

Guest co-host Jay Mohr; actor Orlando Jones; the Roots perform with Cody.

Guest co-host Jay Mohr; actor Seth Green; Staind performs.

Guest co-host Perry Farrell; actor Gary Busey; television writer Adam De La Pena; the Donnas perform.

Guest co-host Perry Farrell; actor Mr. T; Kings of Leon perform.

Guest co-host Perry Farrell; TV-show host Ryan Seacrest; Rooney performs.

Guest co-host Perry Farrell; TV personality Steve-O ("Jackass"); stuntman Super Dave Osborne; Bellydance Superstars perform.

Guest co-host Perry Farrell; actor William H. Macy; Jane's Addiction performs.

Guest co-host David Cross; actor Martin Short; bodybuilder/actor Lou Ferrigno.

Guest co-host David Cross; actor/comic Steve Harvey; actor/comic Bob Odenkirk; Jeff "Skunk" Baxter sits in with the house band.

Guest co-host David Cross; actor Kelsey Grammer; actress Kelly Hu; Joe Budden performs.

Guest co-host David Cross; actor Crispin Glover; Trapt performs.

Guest co-host David Cross; actor Donal Logue; sportscaster Lisa Guerrero; Liz Phair performs.

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Guest co-host Zach Galifianakis; actor Shia LaBeouf; TV personality Elyse Sewell ("America's Next Top Model").

Guest co-host Zach Galifianakis; comic Chris Spencer; show creators Matt Stone and Trey Parker; the Tower of Power horns perform.

Guest co-host Zach Galifianakis; ESPN sportscaster Stuart Scott; David Banner performs.

Actress Regina King; comic Jeff Ross; 14-year-old college graduate. Guest co-host: Zach Galifianakis.

Guest co-host Zach Galifianakis; lawyer Johnnie Cochran; TV personality ALF; the Ataris perform.

Guest co-host Jack Osbourne; actress Sandra Bernhard.

Guest co-host Jack Osbourne; actress Daryl Hannah; actor Jamie Foxx; Roscoe performs.

Guest co-host Jack Osbourne; actor Lenny Clarke.

Guest co-host Jack Osbourne; actor James Woods; Powerman 5000 performs.

TV personality Sharon Osbourne. Guest co-host: Jack Osbourne.

Guest co-host Lil Max$o; former NBA player Magic Johnson; NBA player Gary Payton; Chaka Khan performs.

Guest co-host Lil Max$o; TV producer Dick Clark; actress Kerri Kenney; Idlewild performs.

Guest co-host Lil Max$o; actress Pamela Anderson; actress January Jones; Interpol performs.

Actress Kathy Griffin; director Danny Provenzano; Michelle Branch performs. Guest co-host: Lil Max$o.

Guest co-host Lil Max$o; NBA player Karl Malone; actress Vanessa Ferlito; Boyd Tinsley performs.

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Guest co-host Macy Gray; actor/comic Jeff Richards; Hall & Oates perform.

Guest co-host Macy Gray; music producer Damon Dash; Revis performs.

Guest co-host Macy Gray; TV personality Pat O'Brien; actor Jeff Richards; entrepreneur Jonathan Adams.

Guest co-host Macy Gray performs; actor Adam Rodriguez; musician Rob Zombie.

Actor Gary Coleman; TV host/model Brooke Burns; the Neptunes perform with the Clipse. Guest co-host: Macy Gray.

Guest co-host Super Dave Osborne; actor Michael Rapaport; Linkin Park performs.

Guest co-host Super Dave Osborne; actress Cheryl Hines; pro surfer Kelly Slater; the Revolution Smile performs.

Guest co-host Super Dave Osborne; actor Ashton Kutcher; comic Louis C.K.

Guest co-host Super Dave Osborne; actress Charisma Carpenter; entrepreneur Jonathan Abrams; Lil Jon and Ying Yang Twins perform.

Guest co-host Super Dave Osborne; model Tyson Beckford; Armenian Comedian.

Guest co-host Horatio Sanz; actor Mark-Paul Gosselaar; the Music perform.

Guest co-host Horatio Sanz; actress Amy Smart; Adema performs.

Guest co-host Horatio Sanz; actor Dave Foley; actress Nicki Aycox ("Jeepers Creepers 2"); Dave Gahan performs.

Guest co-host Horatio Sanz; pro wrestler Undertaker; pro beach volleyball player Dan Mintz.

Guest co-host Horatio Sanz; singer Kelly Osbourne and Rob Aston from the Transplants; comic Travis Draft; comic Dave Sheridan.

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Guest co-host Mr. T; actor Jim Belushi; actress Diane Farr; 311 performs.

Guest co-host Mr. T; actor Christopher Masterson; comic Patton Oswalt; Junior Senior performs.

Guest co-host Mr. T; musician John Lydon; actor Donal Logue; the Sex Pistols perform.

Guest co-host Mr. T; sportscasters Terry Bradshaw, Jillian Barberie, Howie Long, James Brown and Jimmy Johnson; comic Frank Caliendo; Mick Hucknall performs.

Guest co-host Adam Carolla; actor Wilmer Valderrama; actress Mischa Barton; the Starting Line performs.

Guest co-host Adam Carolla; actor Seth Green; smart dog; Taking Back Sunday performs.

Guest co-host Adam Carolla; actor Cheech Marin; actress Katherine Heigl; comic Nick Swardson.

Guest co-host Adam Carolla; actor Anthony Anderson; radio-show host Dr. Drew Pinsky; TV-show host Kenny Mayne; backyard wrestling.

Guest co-host Adam Carolla; actress Ali Landry; comic Jim Florentine; Josh Kelley performs.

Guest co-host Mick "Mankind" Foley; actor Tony Danza; Steve Miller sits in with the house band; Forty Deuce dancers perform.

Guest co-host Mick "Mankind" Foley; actress Rose McGowan; actor Mike Epps; Huey Lewis & the News perform.

Guest co-host Mick "Mankind" Foley; actress Sara Rue; talk-show host Sharon Osbourne; comic Craig Robinson.

Actress Jeri Ryan; boxer Shane Mosley; Thrice performs. Guest co-host: pro wrestler Mick Foley (aka Mankind).

Guest co-host Mick "Mankind" Foley; actor David Alan Grier; pro wrestler Steve Austin; Bubba Sparxxx performs.

Actress Lauren Graham; actor/rap artist Method Man; Fountains of Wayne perform.

Pro basketball player Shaquille O'Neal; actress Janeane Garofalo; Dominique's Cat Circus.

Actor Jason Biggs; TV personality Greta Van Susteren; Brand New performs.

Actor Ben Stiller; competitive eater Eric "Badlands" Booker; Obie Trice performs.

Actress Jennifer Garner; actor Danny Nucci; comic Daniel Tosh; Zakk Wylde performs.

Guest co-host Kermit the Frog; boxer Evander Holyfield; actress Daryl Hannah.

Guest co-host Kermit the Frog; actress Carla Gugino; Rascal Flatts performs.

Guest co-host Kermit the Frog; TV personality Bob Guiney ("The Bachelor"); comic Jeff Ross; skateboarder Mitchie Brusco.

Guest co-host Kermit the Frog; actor Ted McGinley; comic/actress Sarah Silverman; talent showcase; DJ Z-Trip performs.

Guest co-host Kermit the Frog; actor Dean Cain; choreographer Wade Robson; Pennywise performs.

Guest co-host Bobcat Goldthwait; actor Cedric the Entertainer; actress Teri Polo; pro football player Terrell Owens.

Guest co-host Bobcat Goldthwait; actor Chris O'Donnell; author Ben Stein; comic Mike O'Connell.

Guest co-host Bobcat Goldthwait; actress/musician Eve; actress Sarah Chalke; animal handler Jeff Corwin; Lou Rawls performs.

Guest co-host Bobcat Goldthwait; director Quentin Tarantino; WWE's Stephanie McMahon; the Sounds perform.

Guest co-host Bobcat Goldthwait; actor Donald Faison; actress Nikki Cox; Anthony Hamilton performs.

Guest co-host Bob Odenkirk; actress Jolene Blalock; Dierks Bentley performs.

Guest co-host Bob Odenkirk; actor Harland Williams; the Distillers perform.

Guest co-host Bob Odenkirk; actress Joan Cusack; actor Paul Rudd; comic Steve Byrne; Poncho Sanchez sits in with the house band.

Guest co-host Bob Odenkirk; sports announcer Al Michaels; actress Sofia Milos; Cook E. Jarr performs.

Guest co-host Bob Odenkirk; singer Kelly Osbourne; actor Omar Gooding; magician Keith Barry.

Guest co-host Anthony Anderson; actress Denise Richards; "South Park" creators Trey Parker and Matt Stone; Saves the Day performs.

Guest co-host Anthony Anderson; actor David Arquette; actress Anna Faris; Something Corporate performs.

Guest co-host Anthony Anderson; actor Eddie Griffin; chef Bobby Flay.

Guest co-host Anthony Anderson; actor Travis Fimmel; activist Pat Crowe; the Rapture performs.

Guest co-host Anthony Anderson; actress Jessica Biel; coach Jim McMullan; comic Rylee Newton.

Guest co-host David Alan Grier; TV host Pat O'Brien; pro basketball player Derek Fisher; Ima Robot performs.