Episode 1
Jerry Seinfeld, Jay-Z with Rihanna & Kanye West
Episode 2
Michael Moore, Tom Cruise, Cameron Diaz
Episode 3
Robin Williams, Miley Cyrus
Episode 4
Halle Berry, Bruce Hornsby with Eric Clapton
Episode 5
Drew Barrymore, Mel Gibson
Episode 6
Jennifer Garner, Barney Frank, Headlines
Episode 7
Pee-Wee Herman, Amy Poehler, 99 Cent Store
Episode 8
Vince Vaughn, Michaels vs. Costas
Episode 9
Rush Limbaugh, Smokey Robinson with Joss Stone
Episode 10
Hugh Laurie, LeBron James
Episode 11
Bill Maher, Brad Paisley & Sheryl Crow
Episode 12
Julia Louis-Dreyfus, Billy Crystal
Episode 13
Adam Carolla, Steve Carell, Vince Gill & Emmylou Harris
Episode 14
Chris Rock
Episode 15
Jenna Fischer, Dan Ahdoot, Photo Booth
Episode 16
Jamie Foxx, Joe Torre
Episode 17
Abigail Breslin, Cindy McCain
Episode 18
Wanda Sykes, Kathleen Sebelius
Episode 19
Gerard Butler, Ben Harper & Jack Black
Episode 20
Terry Bradshaw
Episode 21
Dana Carvey
Episode 22
John C. Reilly, Ben Roethlisberger
Episode 23
Mikey Day, Bill Cosby
Episode 24
Matt Lauer, Jeff Dunham
Episode 25
Ross Mathews, Sen. John McCain
Episode 26
Rod Stewart
Episode 27
Martha Stewart, Ludacris
Episode 28
Rainn Wilson
Episode 29
Hilary Swank, Jerry Jones
Episode 30
Colin Firth
Episode 31
Dr. Phil McGraw
Episode 32
Ewan McGregor, Tina Fey
Episode 33
Chelsea Handler, Brian Williams
Episode 34
Paula Abdul
Episode 35
John Cusack, Frank Caliendo
Episode 36
Mariah Carey, a performance from Cirque du Soleil's
Episode 37
Katie Featherston & Micah Sloat
Episode 38
Jenna Bush Hager, Laura Bush
Episode 39
Wanda Sykes, Rachael Ray, Dan Finnerty & the Dan Band
Episode 40
Elizabeth Banks
Episode 41
Kathy Griffin
Episode 42
Howie Mandel
Episode 43
Sandra Bullock
Episode 44
Penelope Cruz, Dolly Parton
Episode 45
Terrence Howard, Terry Bradshaw
Episode 46
Taylor Lautner, Heather Locklear
Episode 47
The Biggest Loser Rebecca Meyer, Kevin Nealon, Tyra Banks
Episode 48
Larry the Cable Guy, Mikey Day
Episode 49
Dakota Fanning, Kate Flannery, Jeff Dunham, Mikey Day
Episode 50
Kellan Lutz, Ed Begley Jr.
Episode 51
Gov. Arnold Schwarzenegger, Lady Gaga
Episode 52
Charles Barkley, The Biggest Loser contestant Allen Smith
Episode 53
Paula Patton
Episode 54
Megan Fox
Episode 55
Bill Maher
Episode 56
John Travolta, Kim Kardashian
Episode 57
Morgan Freeman, Maxwell, Nick Thune
Episode 58
Kelsey Grammer, Taylor Swift
Episode 59
Susan Sarandon, Andrea Bocelli with the Muppets
Episode 60
Gabourey Sidibe, Winner of The Biggest Loser Danny Cahill
Episode 61
Quentin Tarantino, Drew Brees
Episode 62
Matt Damon, Barry Manilow
Episode 63
Gordon Ramsay
Episode 64
Anna Kendrick, Tim McGraw
Episode 65
Christina Applegate, Nick Lachey
Episode 66
Sigourney Weaver, John Mayer
Episode 67
Sam Worthington, Mary J. Blige
Episode 68
Glenn Beck, Kate Gosselin
Episode 69
Jeff Bridges, Adam Lambert
Episode 70
Dane Cook
Episode 71
Julie Scardina, African Children's Choir
Episode 72
Tim Allen
Episode 73
Kim Kardashian, Jillian Michaels, Guy Fieri
Episode 74
Hugh Jackman, Katie Couric
Episode 75
Denzel Washington
Episode 76
Brian Williams
Episode 77
Bill Cosby
Episode 78
Episode 79
Heidi Klum
Episode 80
Dwayne Johnson
Episode 81
Julianne Moore
Episode 82
Emily Blunt
Episode 83
Chelsea Handler
Episode 84
James Cameron
Episode 85
Billy Crystal
Episode 86
Mark Harmon
Episode 87
Mel Gibson
Episode 88
Bill Paxton
Episode 89
Episode 90
Jessica Alba
Episode 91
Jessica Biel
Episode 92
Wanda Sykes
Episode 93
Bill Maher, Gretchen Bleiler
Episode 94
Emma Roberts, Charles Barkley
Episode 95
Series Finale: Ashton Kutcher, Bob Costas, Gabourey Sidibe
