Robert Duvall, Kennedy, Emmylou Harris

Terry Bradshaw, Carmen Electra, Eddie Brill

Steven Seagal, Brittany Starr, Beck

Joan Lunden, Chris Rock, Fiona Apple

Geena Davis, Martha Stewart, Robert Carlyle

Kevin Kline, Jamie Foxx, Sugar Ray

Danny DeVito, Patrick Rafter, Tim McGraw

Salma Hayek, Joan Cusak, Louie Anderson

Noah Wylie, Damon Wayons, Missy "Misdemeanor" Elliot

Andie MacDowell, Cynthia Cooper, Nanci Griffith & Darius Rucker

Jennifer Jason Leigh, Starr Jones, Bee Gees

George Clooney, Bill Cosby

Nicole Kidman, Gregory Hines, God's Property

Jennifer Lopez, Michael Lamonico, Bill Engvall

Alec Baldwin, Jonathan Lipnicki, Deana Carter

Kim Basinger, Ray Ramano, Jackson Browne

Fourth Anniversary Special

Fran Drescher, Ryan Tripp, Brooks & Dunn

Michael J. Fox, Sarah O'Hare, Patti Smith

Cameron Diaz, Adam Arkin, Veniamin

Matt Lauer, Ryan Kurlander, Sheryl Crow

Elle MacPherson, Jon Tenney, Elvis Costello & the Fairfield Four

Dan Aykroyd, Jack Hanna, Boyz II Men

Bryant Gumbel, Harland Williams, Everclear

John Lithgow, Christy Turlington, Foo Fighters

James Belushi, Christina Ricci, Oasis

Uma Thurman, Mark Wahlberg, Eddie Izzard

David Duchovny, Emily Mae Young, Todd Barry

Tom Brokaw, Stevie Starr, Green Day

Nathan Lane, Chalize Theron, Carly Simon

Mike Wallace, Kelly Montieth, LL Cool J

Robert Pastorelli, Harmony Korine, Smash Mouth

Mariah Carey, Anthony Clark

Maria Martiromo, Penn & Teller, Amy Grant

Ellen Barkin, Bobby Bonilla, Angelo Massagli

Kid Scientists, David Hyde Pierce, Andy Greene

Stupid Human Tricks, Naomi Campbell, Bobby Brown

John Travolta, Cybill Shepard, Kuznetsov Troupe

Danny Aiello, Helena Bonham Carter, Mandy & Dora Lee Patinkin

Sarah Ferguson, Kelly McGillis, Leann Rimes

Harry Connick Jr., Pamela Lee

Robert F. Kennedy Jr., Heather Matarazzo, B.B. King & Tracy Chapman

Wesley Snipes, Naomi Judd, Martina Hingis

Claire Danes, Michelle Kwan, Lorrie Morgan

Marv Albert, Daniel Scribner & Tylin Hall, John Fogerty

Bill Murray, Alison Eastwood, Matchbox 20

Don Rickles, Heather Graham, Lou Reed

Richard Simmons, Venus Williams, Wynonna

Tom Arnold, Kordell Stewart, Elvis Costello

Sigourney Weaver, David Brenner, Trischa Yearwood

Danny DeVito, Sarah Michelle Gellar

Kirstie Alley, Luke Perry, Shengyang Acrobats

John Cusak, Natalie Portman, Stomp with Bill Irwin

Kids Tell Jokes, Marisa Tomei, James Taylor

Stupid Pet Tricks, Anthony Edwards, Joost Elffers

Kevin Spacey, Art Donovan, Wallflowers

Jon Stewart, John Witherspoon, Days of the New

Courteney Cox, Peyton Manning, Shania Twain

Helen Hunt, Terrell Davis, Chumbawamba

Sir Anthony Hopkins, Eric Lindros, Enya

Nathan Lane, Hazelle Goodman, Mitch Fatel

Alex D Linz, Jerry O'Connell, Bryan Adams

Kevin Costner, Tyra Banks, Nina & Nickolai

Pam Grier, Tom Everett Scott, James Brown

Greg Kinnear, Djimon Hounsou, Ben Folds Five

Leslie Nelson, Michelle Yeoh, Hanson

Pierce Brosnan, Lou Holtz

Joan Lunden, Angelo Massaglini, G. Love with Special Sauce & Dr. John

Terry Bradshaw, Billy Zane, Darlene Love

Quentin Tarantino, Anne Heche, Kenny Wayne Shepard Band

Bridget Fonda, Matt Damon, Allan Harvey

Marilu Henner, Leila Kenzle, George Miller

Samuel L. Jackson, Howie Long, Louie C.K.

Tom Brokaw, Tobey Maquire, Fiona Apple

Norm MacDonald, Peta Wilson, Streb

Minnie Driver, Paul Simon, Cast of The Capeman

Penelope Ann Miller, Terry Pledger, Collective Soul

Robin Williams, Dave Chappelle, Stevie Nicks and Lindsey Buckingham

Bill Pullman, Jim Breuer, Stevie Nicks and Lindsey Buckingham

Peter O'Toole, Martin Scorcese

Kenneth Branagh, Spice Girls, Jim Nantz

Ben Stiller, Sandra Bernhard, Jars of Clay

Michael Isikoff, Sarah Ferguson

Michael Keaton, Brian Williams, Blues Traveller

David Spade, Justin Miller, Jeff Garlin

Ethan Hawke, Merrill Markoe

Tom Arnold, Steve Forbes, Jake Johannsen

John Goodman, Mitch Hedberg, Jeff Gordon

Dan Akroyd, Naomi Campbell, Duncan Sheik

Dan Rather, Honeymoon the pig, Cast of Ragtime

Drew Barrymore, Shania Twain

Richard Simmons, John Elway

Bill Cosby, Blues Brothers

Stupid Human Tricks, Cindy Crawford, Jonny Moseley

Adam Sandler, Jack Hanna

Bruce Willis, LeAnn Rimes & Bryan White

Heather Locklear, Tom Selleck

Mike Myers, Paula Cole

Nathan Lane, Bingo Granny

Bob Dole, Marilyn Manson

Stupid Pet Tricks, Jonny Moseley

Jeff Bridges, Nikki Stone, John Fogerty

Kelsey Grammer, Sarah Tueting & Cammi Granato, Sarah McLachlan

Susan Sarandon, Eric Bergoust, Aretha Franklin

David Schwimmer, Chris Witty, Shawn Colvin

Kate Winslet, Tara Lipinski, Ray Romano

Patrick Stewart, Frank Urbancic, Joan Cusak

Kid Scientists, Gabriel Byrne, Richie Sambora

Helena Bonham Carter, Peter Fonda, Loreena McKennitt

Siskel & Ebert, Karl Malone, Mark Chesnutt

Norm MacDonald, Richie Stachowski

Emma Thompson, Alex Zanardi, Willie Nelson & Emmylou Harris

John Travolta, Jack Johnson, The Chieftains

Bill Murray, Eddie Izzard, Gheorge Meuresun

Dennis Hopper, Robert Klein, Patricia Heaton

Charles Grodin, Edward Burns, Marcy Playground

Dolly Parton, Bob Hoskins

Al Franken, Lauren Holly, Ani DiFranco

Evander Holyfield, Joseph Loveland, Michael Moore

Don Rickles, Mimi Rogers, Steve Miller

Alec Baldwin, Heather Graham, Barenaked Ladies

Tom Brokaw, Ice Cube, Natalie Imbruglia

Tom Hanks, Matt Medenweldt, Scott Weiland

Matt LeBlanc, Natasha Henstridge, The Lynns

Quentin Tarantino, Steven Weber, Clint Black

James Belushi, Lacey Chabert, Robbie Robertson

Val Kilmer, Jimmie Walker, cast of Cabaret

Billy Crystal, Hatty Jones, Tori Amos

Gwyneth Paltrow, Harmony Korine, Wyclef Jean

Claire Danes, George Miller, Matthew Ryan

Jason Alexander, Isabella Rossellini, Steve Earle

Ricki Lake, Vaughn Cordle, Rita Wilson

Jennifer Aniston, Jerry Springer, Al Green

Marisa Tomei, Ryan Leaf, Alana Davis

Jack Hanna, Ray Allen, Dave Matthews Band

Patrick Swayze, Hugh Hefner

Gena Lee Nolan, Mark Wahlberg, Brian Regan

Stupid Human Tricks, Norm MacDonald, Pearl Jam

Elle MacPherson, Jon Favreau, Usher

Donald Trump, Jayson Williams, Cast of Home Coming, Trisha Yearwood

Sally Field, Philip Bigler, Lyle Lovett

Matt Lauer, Jada Pinkett Smith, Green Day

Marilu Henner, Jim Lovell

Fran Drescher, Bob Berman, Faith Hill

Christopher Reeve, Hanson

Warren Beatty, Wayne Knight, Bonnie Raitt

Jim Breuer, Tara Lipinski, Foo Fighters

Richard Simmons, Beau Jaques and the Zydeco Highrollers

Matthew Broderick, David Wells, Natalie Merchant

Sandra Bullock, Jeff Foxworthy, Cast of One Small Step

Drew Carey, Scarlett Johannson, Soul Asylum

Ted Danson, Mae Whitman, The Flatlanders

Harry Connick, Jr., Hank Azaria

John Goodman, Esther Canadas, Sarah McLachlan

Norm MacDonald, Jacques Villeneuve, Randy Travis

Sarah Jessica Parker, Bill Bradley, Chase Butrell

Evander Holyfield, Laura Linney, Fastball

George Carlin, Bob Saget, Emmylou Harris, Indigo Girls, Luscious Jackson, Rebekah

Whoopi Goldberg, Janeane Garofalo

Bill Cosby, Andy Dick

Bob Newhart, Nicole Sullivan, Wendy Liebman

Harrison Ford, Dane Cook

Charles Grodin, Paul Rodriguez

Naomi Campbell, Luke Buchheit, Sinead O'Connor

David Duchovny, Stevie Nicks

Ellen Barkin, Jeff Altman, Sonic Youth

Sam Donaldson, Gloria Reuben, Babyface & Des'ree

Anthony Edwards, George Miller, Sean Lennon

Piedmont Bird Callers, George Clooney, Steve Yzerman

John McEnroe, The Pretenders

Jennifer Lopez, Chris Eigeman, Largo

Dennis Quaid, Chloe Sevigny, Grant Lee Buffalo

Mary Tyler Moore, Ron Eldard

Lisa Kudrow, Mike Piazza, Billy Bragg & Wilco

Martha Anne Godwin, Kristen Johnston, Lucinda Williams

Tom Brokaw, Steve Zahn, The Hummingbirds with Stevie Wonder & Paul Simon

Ben Stiller, Hatty Jones, Spice Girls

The Beltway Bunch, Stupid Pet Tricks, Bob Dole

Don Rickles, Matt Drudge, Cherry Poppin' Daddies

Matt Dillon, Daniel Boulud, Arj Barker

Antonio Banderas, Chris Elliot

Anthony Hopkins, Cowboy Junkies

Gabriel Byrne, John Witherspoon, Tricky & P.J. Harvey

James Caan, Buck O'Neil, Lenny Kravitz

Janet Jackson, Scott Farrell, Nanci Griffith

Tony Danza, Peter Farrelly, Brian Wilson

Marilu Henner, Gloria Estefan

Pauly Shore, Pam Grier, Natalie Imbruglia

Jenny McCarthy, Adam Arkin, Tori Amos

Kids with animals, Gary Sinise, Goo Goo Dolls

Yasmine Bleeth, David Brenner, Barenaked Ladies

Samuel L. Jackson, Jenni, Smashing Pumpkins

Jamie Lee Curtis, George Freestone

Drew Barrymore, Dee Dee Meyers, The Verve

Noyz Boyz, Nathan Lane, Boy George & Culture Club

Penn & Teller, French Stewart, Wynton Marsalis

Jerry Seinfeld, Hunter Scott

Tom Arnold, Doris Roberts, Blues Traveler

Leslie Nielsen, David Roth, Teresa Witherspoon

Kevin Spacey, Bobby Rahal, Harvey Danger

Ray Liotta, Sela Ward, Liz Phair

Angela Basset, Pete Townshend

Wesley Snipes, Robert Klein