Season 15

E1 · Jason Lee, Elton John

E2 · Justin Timberlake, Sarah Silverman

E3 · Steve Carell, Jamie Lee Curtis, Joan Jett

E4 · Teri Hatcher, Jon Heder, Kenny Chesney

E5 · Calista Flockhart, Harland Williams, Gomez

E6 · Eva Longoria, Cole and Dylan Sprouse, Death Cab for Cutie

E7 · Adrien Brody, Chef G. Garvin, Alan Jackson

E8 · Evangeline Lilly, Magic Johnson, Diana Krall

E9 · Ashton Kutcher, Jenna Fischer, Amos Lee

E10 · Jessica Simpson, Bill O'Reilly, Snow Patrol

E11 · Wanda Sykes, Chris Matthews, John Mayer

E12 · Helen Mirren, B.J. Novak, Jet

E13 · Michael Clarke Duncan, Lisa Lampanelli, Rod Stewart

E14 · Bob Newhart, Kristin Chenoweth, Camp Freddy

E15 · Jarod Miller, Bradley Whitford, Ray LaMontagne

E16 · Tina Fey, Annika Sorenstam, Fergie

E17 · Tiger Woods, Emeril Lagasse, Chingy

E18 · Arnold Schwarzenegger, Heidi Klum, Le Rêve

E19 · Sandra Bullock, Michael Caine, Chris Young

E20 · David Gregory, Ali Larter, Edie Brickell & The New Bohemians

E21 · Hugh Jackman, Tim McGraw

E22 · Jennifer Love Hewitt, Tim Burton, Barry Manilow

E23 · Annette Bening, Mad Scientist David Willey, Sarah McLachlan

E24 · Sally Field, Bug Man Ruud Kleinpaste, Kevin Federline

E25 · John Landis & The Spiridellis Brothers, JoJo

E26 · Tim Allen, 8-year-old opera singer Gwyn Mackenzie, Carrie Underwood

E27 · Roseanne Barr, Sharon Osbourne, Marilyn Manson

E28 · Emma Thompson, Spencer Breslin, Regina Spektor

E29 · Penelope Cruz, John Stamos, "Weird Al" Yankovic

E30 · Russell Crowe, Rachael Ray, Kellie Pickler

E31 · Hugh Laurie, America Ferrara, the Cheetah Girls

E32 · Courtney Love, Brad Garrett, OK Go

E33 · Ellen DeGeneres, Fred Willard, Tony Bennett

E34 · Borat, Martha Stewart, Damian Rice

E35 · Lindsay Lohan, Emmitt Smith, Army Of Anyone

E36 · Sharon Stone, Patricia Arquette, Vince Gill

E37 · Rachel Weisz, Nick Cannon, Il Divo

E38 · Jaime Pressly, Adventurer Bear Grylls, Cirque du Soleil: The Beatles - LOVE

E39 · Emilio Estevez, D.L. Hughley, Josh Groban

E40 · Kate Winslet, Wilmer Valderrama, Buddy Guy

E41 · Demi Moore, Ron Livingston, Chris Cornell

E42 · Denzel Washington, Catherine O'Hara, Jerry Lee Lewis with Kid Rock

E43 · Amazing Animals With Julie Scardina, Ellen Pompeo, Nelly Furtado

E44 · Howie Mandel, Nelly Furtado

E45 · Kristin Davis, Ralphie May

E46 · Cameron Diaz, Gwyn Mackenzie, The Wreckers

E47 · Lucy Liu, Bob Saget, Snoop Dogg

E48 · Al Gore, Karolina Kurkova, Fantasia

E49 · Morgan Freeman, Josh Duhamel, Barenaked Ladies

E50 · Sen. Barack Obama, Maggie Gyllenhaal, Taylor Hicks

E51 · Cate Blanchett, Larry the Cable Guy, Corinne Bailey Rae

E52 · Dennis Miller, LaDainian Tomlinson, K.T. Tunstall

E53 · Jack Black, Chef G. Garvin, Paulina Rubio

E54 · Mel Gibson, Bil Dwyer, Ludacris

E55 · Sylvester Stallone, Parminder Nagra, Seal

E56 · Former President Jimmy Carter, Edward Norton, Panic! At the Disco

E57 · Jamie Foxx, Brad Paisley

E58 · Dakota Fanning, Aaron Eckhart, Twisted Sister

E59 · Leonardo DiCaprio, Naomi Watts, The Goo Goo Dolls

E60 · Tobey Maguire, spider expert Jules Sylvester, Sarah McLachlan

E61 · Samuel L. Jackson, Nick Thune, Scott Weiland

E62 · Robert De Niro, Jennifer Hudson

E63 · Will Smith, Pamela Anderson, Richard Roeper, The Blind Boys of Alabama

E64 · Matthew McConaughey, Opie and Anthony, The Killers

E65 · Dustin Hoffman, Abigail Breslin, African Children's Choir

E66 · George Clooney, Maria Lark, Unwritten Law

E67 · Justin Timberlake, Masi Oka, Matisyahu

E68 · Hilary Swank, Tom Papa, Akon

E69 · Terry Bradshaw, baker Marjorie Johnson, Papa Roach

E71 · Ben Affleck, Chris Leak, Jewel

E72 · Sen. John Edwards, Terri Irwin, Mindy Smith

E73 · Helen Mirren, Isaac Mizrahi, Los Lonely Boys

E74 · Renée Zellweger, Joy Behar, Common

E75 · Paula Abdul, D.L. Hughley, Tyrese feat. Lil Jon

E76 · Matt Lauer, John & Margaret Ragonese, The All-American Rejects

E77 · Meredith Vieira, Ryan Reynolds, Robin Thicke

E79 · Don Rickles, John Stamos, Rocco DeLuca & The Burden

E80 · Jennifer Garner, Ty Pennington, Bow Wow

E81 · Jon Cryer, Jeff Garcia, Switchfoot

E82 · Sienna Miller, Phyllis Diller, Branford Marsalis Quartet

E83 · Wanda Sykes, Sendhil Ramamurthy, The Bird And The Bee

E84 · Rebecca Romijn, Bob Saget, Rodrigo Y Gabriela

E85 · Bill Cosby, Mary Lynn Rajskub, Katharine McPhee

E86 · Diane Keaton, Ivanka Trump, The Soweto Gospel Choir

E87 · Forest Whitaker, America Ferrera, Daniel Powter

E88 · Abigail Breslin, Amazing Animals With Julie Scardina, Christina Aguilera

E89 · Cuba Gooding Jr., Miss USA Tara Conner, The Game

E90 · Clint Eastwood, Jennifer Hudson, John Waite and Alison Krauss

E91 · Penelope Cruz, Tyler Perry, James Hunter

E92 · Hugh Grant, Himalayan Bears With Julie Scardina, Norah Jones

E93 · Mark Wahlberg, Sarah Silverman, Mat Kearney

E94 · Drew Barrymore, Kyle Krichbaum, Solomon Burke

E95 · Nicolas Cage, D.J. Sampson & Sam Ballerini, The Fray

E96 · Dennis Miller, baker Marjorie Johnson, Taylor Swift

E97 · Beyoncé, Charles Barkley, Kenny Wayne Shepherd

E98 · Jim Carrey, Gov. Tom Vilsack, Dustin Kensrue

E99 · Teri Hatcher, Rhys Ifans, Omarion

E100 · Simon Cowell, Randy Jackson & Ryan Seacrest, Tiki Barber, Silversun Pickups

E101 · Bill Maher, skydiving accident survivor Michael Holmes, Rodney Atkins

E102 · Jaime Pressly, Gordon Ramsay, Gomez

E103 · Peter O'Toole, Christina Ricci, Hellogoodbye

E104 · Animals With Joan Embery, William H. Macy, John Mellencamp

E105 · Courteney Cox, Richard Roeper, Plain White Ts

E106 · John Travolta, Katt Williams, Everclear

E107 · Tim Allen, Hollywood's Most Talented Animals, Fergie

E108 · Howie Mandel, Chris Hansen, Korn

E109 · Queen Latifah, Gerard Butler, Buckcherry

E110 · Mark Wahlberg, Brad Garrett, My Chemical Romance

E111 · Sandra Bullock, Andy Richter, Evanescence

E112 · Minnie Driver, Bailee Madison, Finger Eleven

E113 · Dan Rather, bizarre food expert Andrew Zimmern, Lloyd

E114 · Terry Bradshaw, Mary Lynn Rajskub, Musiq Soulchild

E115 · Terrence Howard, Bruce Fine, the cast of "Jersey Boys"

E116 · David Spade, Richard Engel, Hinder

E117 · Roseanne Barr, Heather Mills, James Morrison

E118 · Will Ferrell, Sen. Joseph Biden, Paolo Nutini

E119 · Nick Nolte, bug expert Rudd Kleinpaste, Guster

E120 · Quentin Tarantino, Pete Rose, Mika

E121 · Jeff Foxworthy, Charlie Engle, Kevin Lin & Ray Zahab, Dierks Bentley

E122 · Hilary Swank, Carlos Mencia, Gym Class Heroes

E123 · Campbell Brown, Will Arnett, Dave Koz feat. Johnny Mathis

E124 · Amy Poehler, Ricky Schroder, Ozomatli

E125 · Kurt Russell, Shia LaBeouf, Hilary Duff

E126 · Gerard Butler, Tim McGraw

E127 · Jennifer Love Hewitt, Brandi Carlile

E128 · Craig T. Nelson, Molly Shannon, Sick Puppies

E129 · Jeremy Piven, Jenna Fischer, John Legend

E130 · Anthony Hopkins, Rose McGowan, Good Charlotte

E131 · Jamie Lee Curtis, Jonathan Rhys-Meyers, Patty Griffin

E132 · Wanda Sykes, Jesse James, Rickie Lee Jones

E133 · Julia Louis-Dreyfus, Rep. Nancy Pelosi, Relient K

E134 · Rainn Wilson, Orny Adams, The Shins

E135 · Luke Wilson, Alexandra Wentworth, Lily Allen

E136 · Tim Russert, Eddie Izzard, Three Days Grace

E137 · Tobey Maguire, Tori Spelling, Wicked

E138 · Jack Black, Sanjaya, OK Go

E139 · Kevin Bacon, Hayden Panettiere, Michael Phelps

E140 · Zach Braff, Pat Summitt, Joss Stone

E141 · Bill Maher, Sig & Edgar Hansen, Amy Winehouse

E142 · Leah Remini, Adam Brody, Mavis Staples

E143 · Jarod Miller, Kiefer Sutherland, Macy Gray feat. Natalie Cole

E144 · Conan O'Brien, Venus Ramey, Kings of Leon

E145 · Eric Bana, Oscar De La Hoya, Kaiser Chiefs

E146 · Dr. Phil McGraw, Rove McManus, Patti Smith

E147 · Mitt Romney, D.L. Hughley, Fall Out Boy

E148 · Howie Mandel, Bryce Howard, Alan Jackson

E149 · Thomas Haden Church, 102-year-old golfer Elsie McLean, Ne-Yo

E150 · Mike Myers, Floyd Mayweather, The Cat Empire

E151 · Matthew Fox, Larry the Cable Guy, Feist

E152 · Antonio Banderas, Brady Barr, Aqualung

E153 · Cameron Diaz, 6-year-old piano prodigy Ethan Bortnick, Nelly Furtado

E154 · Amazing Animals With Julie Scardina, Gov. Bill Richardson, Miranda Lambert

E155 · Dominic Monaghan, "American Idol" finalists Melinda Doolittle, Blake Lewis & Jordin Sparks, Taylor Hicks

E156 · Orlando Bloom, Maria Lark, Gym Class Heroes

E157 · Ricki Lake, baker Marjorie Johnson, Gretchen Wilson

E158 · Felicity Huffman, bizarre food expert Andrew Zimmern, Dolores O'Riordan

E159 · Jamie Foxx, Jimmy Fallon, Peter Bjorn And John

E160 · Simon Cowell, 95-year-old college graduate Nola Ochs, Maroon 5

E161 · Demi Moore, Judd Apatow, Angelique Kidjo feat. Ziggy Marley

E162 · Gov. Arnold Schwarzenegger, Debra Messing, Fiction Plane

E163 · Kevin Costner, "American Idol" winner Jordin Sparks, Daniel Tosh

E164 · Dennis Miller, Ross "The Intern" Mathews, Dwight Yoakam

E165 · Jessica Alba, Seth Rogen, Lucinda Williams

E166 · George Clooney, senior-citizen band the Zimmers, Rihanna

E167 · Bernie Mac, Cat Deeley, Chris Cornell

E168 · Don Rickles, Josh Flitter, Dashboard Confessional

E169 · Steve Carell, Kenny Smith, The Goo Goo Dolls

E170 · Wanda Sykes, Mathias Sisters, John Mayer

E171 · Fred Thompson, Lauren Graham, Toby Keith

E172 · Terry Bradshaw, Shia LaBeouf, James Morrison

E173 · Téa Leoni, Joy Behar, Bloc Party

E174 · Bill Cosby, Charlie Gilpin, Aspen Nelson & Bryant Ashton, Avril Lavigne

E175 · Robin Williams, Chelsea Handler, Big & Rich

E176 · Michael Chiklis, Bruce Bowen, Sugarland

E177 · Samuel L. Jackson, 17-year-old reptile expert Corbin Maxey, Jesse Malin

E178 · John Cusack, Tavis Smiley, Lifehouse

E179 · Cedric the Entertainer, Chip Foose, Kelly Clarkson

E180 · John & Elizabeth Edwards, Maz Jobrani, The Red Jumpsuit Apparatus

E181 · Michael Moore, Justin Long, Mandy Moore

E182 · Josh Duhamel, David Willey, Jason Aldean

E183 · Dr. Phil McGraw, Leslie Mann, Velvet Revolver

E184 · Ethan Hawke, Carlos Mencia, Breaking Benjamin

E185 · Daniel Radcliffe, Patton Oswalt, The Decemberists

E186 · Adam Sandler, Nikki Blonsky, Silverchair

E187 · John Travolta, Tony Dungy, The Neville Brothers

E188 · Jessica Biel, Bill Engvall, T-Pain feat. Yung Joc

E190 · Bill Maher, Minnie Driver

E191 · Holly Hunter, Kent Couch, Ryan Adams & The Cardinals

E192 · Sandra Bullock, Chris Matthews, Suzanne Vega

E193 · Don Cheadle, Miley Cyrus, Puddle of Mudd

E194 · Glenn Close, Sebastian Manisalco, Marilyn Manson

E195 · Amazing Animals With Julie Scardina, Aaron Eckhart, Common

E196 · Rob Schneider as Lindsay Lohan, Rove McManus, Sum 41

E197 · Matt Damon, George Foreman, Stephen Stills

E198 · Michael Moore, Orny Adams, Perry Farrell's Satellite Party

E199 · Kevin James, Arctic swimmer Lewis Pugh, Katharine McPhee

E200 · Jennifer Lopez, Kevin Nealon, Glen Hansard & Markéta Irglová

E201 · Chris Tucker, Marc Anthony, The John Butler Trio

E202 · Heidi Klum, Anderson Cooper, Brad Paisley

E203 · Claire Danes, Bob Saget, Grace Potter & The Nocturnals

E204 · Hank Azaria, David Hasselhoff, Sharon Osbourne & Piers Morgan, Daddy Yankee

E205 · Michelle Pfeiffer, Jonah Hill, MIMS

E206 · Cuba Gooding Jr., Zac Efron, John McLaughlin

E207 · Seth Rogen, animal trainer Jules Sylvester, Hot Hot Heat

E208 · David Duchovny, Tiki Barber, Nick Thune

E209 · Rainn Wilson, Gordon Ramsay, Fuel

E210 · Drew Carey, Richard Roeper, Colbie Caillat

E211 · Sen. John McCain, Bill Hader, Ben Harper and the Innocent Criminals

E212 · Jeff Foxworthy, Maria Lark, Mat Kearney

E213 · Jonah Hill, Michael Cera, Christopher Mintz-Plasse, Jarod Miller, Wilco

E214 · Seth Green, Mike Rowe, Collective Soul

E215 · Dennis Miller, Capt. Ed Kiesel, Rodrigo Y Gabriela

E216 · Fred Thompson, Jerome Bettis, Travis Tritt

E217 · Daniel Radcliffe, Mark Cuban, Kings of Leon

E218 · Show# 3431

E219 · Brad Garrett, Funny Car racer Ashley Force, Cirque du Soleil

E220 · Denis Leary, Robert Klein, Spoon

E221 · Kelsey Grammer, Dan Fogler, The Bravery

E222 · Terry Bradshaw, Vanessa Hudgens, Michael Buble

E223 · Michael Douglas, Tavis Smiley, Good Charlotte