Tim Conway, Park Overall, Daniel Menendez

Dana Carvey, Sam Kinison, Pete Fountain

James Stewart, Larry Miller

Jay Leno (guest host), Phil Hartman, Joe Penny, Lou Rawls

Bob Hope, Kevin Meaney

Michael Palin, Restless Heart

Buddy Hackett, Gary Morris

Jay Leno (guest host), Fred Savage, Kevin Pollak, Regina Belle

Danny DeVito, Al Green

Paul Reiser, Argus Hamilton

Jane Pauley, Joe Piscopo, King's Sisters

Jay Leno (guest host), Ed Begley, Jr., Judy Collins

Nancy Reagan, Chevy Chase, Belinda Carlisle

Lea Johnson, Melissa Manchester

Carol Siskind, Dolly Parton

Jay Leno (guest host), Jeff Daniels, Nancy Giles, Andy Williams

Super Dave Osborne, Richard Pryor, Poco

Milton Berle, Etta James and The Roots Band

Bob Uecker, Rita Rudner, Joe Williams

Jay Leno (guest host), Mary Stuart Masterson, Thom Sharp, Michael Bolton

George Burns, Miriam Margolyes

Charles Grodin, J.J. Wall, Calvin Trillin

Oprah Winfrey, Darryl Sivad, Diane Schuur

Jay Leno (guest host), James Belushi, Andrea Martin

James Woods, Bill Maher

Nellie McNeal, Roddy McDowall

Jack Lemmon, Steven Wright

Jay Leno (guest host), Gregory Jefferson, Edie McClurg, Conway Twitty

Jay Leno (guest host), Beau Bridges, John Mendoza, Olivia Newton-John

27th Anniversary Show - Bob Newhart, Jay Leno, Darryl Sivad

Jay Leno (guest host), Valerie Bertinelli, Don Yesso, Cathy Guisewite

Jay Leno (guest host), Dennis Weaver, Ellen DeGeneres, Fred Roggin, The Funny Boys

Jay Leno (guest host), Rue McClanahan, Roy Blount, Jr., Clint Black

Bill Cosby, Midori

Robert Loggia, David Brenner

Candice Bergen, Lyle Lovett

Jay Leno (guest host), Stephanie Kramer, Dom Irrera, Patti D'Arbanville, Lorna Luft

Mark Schiff, Park Overall

Carl Reiner, Helen Shaw

Kirstie Alley, Simply Red

Jay Leno (guest host), Flip Wilson, Mental Cruelty, Dwight Yoakam

David Steinberg, The Judds

Michael Douglas, David Horowitz, Art Garfunkel

Florence Hodges, Jason Bateman, Larry Miller

Jay Leno (guest host), Jamie Lee Curtis, Tracey Ullman, Cloris Leachman

Jay Leno (guest host), Paul Reiser, Tim Busfield

Jay Leno (guest host), Bob Hope, Tom Dreesen, Penn & Teller

Jay Leno (guest host), Cathy Ladman, Parker Stevenson, Michael Bolton

Jay Leno (guest host), Robert Stack, Judith Light, Tom Jones

Jay Leno (guest host), Harry Anderson, Bill Maher, George Benson

Jane Fonda, Robert Klein

Bob Newhart, Cathy Guisewite, Joe Cocker

Jonathan Winters, Zachary LaVoy, The Temptations

Jay Leno (guest host), Fritz Coleman, John Goodman, Barry Manilow

Charles Grodin, Dizzy Gillespie

James Stewart, Jim Fowler

Garry Shandling, Joshua Bell

Jay Leno (guest host), Kelly Monteith, Nancy Giles, Richard Marx

David Letterman, Julie Budd

Helen Bullock, Steve Martin, k.d. lang

Jay Leno (guest host), Rita Rudner, P.J. O'Rourke, B.B. King

Tom Selleck, Patti LaBelle

Fred Stoller, Muzzie Braun and the Little Braun Brothers

Kevin Pollak, Julian Lennon

Jay Leno (guest host), Robert Hays, Larry King, Paul Shaffer, Paul Provenza

Paul Reiser, Olivia d'Abo, Randy Travis

George Segal, Rosemary Clooney

Homer E. Williams, Alan King, Maria McKee

Jay Leno (guest host), Teri Garr, George Miller, Michael Bolton

Jay Leno (guest host), Tom Hanks, Carroll O'Connor, Ron Perlman

Jay Leno (guest host), Phil Hartman, Jack Palance, John Palmer

Jay Leno (guest host), Charlton Heston, Michael Johnson

Jay Leno (guest host), Shelley Winters, Jimmy Aleck

Jay Leno (guest host), Tom Hulce, Carol Siskind, Rain Pryor, Pat Metheny Group

Father Guido Sarducci, Robert Wagner, Joseph Gabriel

Harvey Korman, Bernadette Peters, Yakov Smirnoff

Buddy Hackett, Diane Nichols, Joe Williams

Jay Leno (guest host), Paula Poundstone, Donny Osmond, Roy Blount, Jr.

Michael Chang, Park Overall

Diane Sawyer, Gary Morris

Sunni Black, Woody Harrelson, Peter MacNicol

Jay Leno (guest host), Al Franken, Tom Davis, Yahoo Serious, Susan Sullivan, David Sanborn

Bob Saget, Pete Fountain

Victoria Jackson, Bill Engvall, Ricky Skaggs

Kevin Pollak, Ringo Starr, Sarah Brightman

Jay Leno (guest host), Tyne Daly, Danny Glover, Thom Sharp

Jay Leno (guest host), John Chancellor, Jerry Seinfeld, Robert Palmer

Jay Leno (guest host), Mariette Hartley, Ernie Hudson, Al Jarreau

Jay Leno (guest host), Saundra Santiago, Bill Maher

Jay Leno (guest host), Cathy Ladman, Fred Roggin, The Neville Brothers

Jay Leno (guest host), Tony Curtis, Pat Morita, Betty Thomas

Frances Herb, Sheena Easton

Dana Delany, Barry Manilow

Larry Miller, Jimmy Buffett

Jay Leno (guest host), Nell Carter, John Lithgow, Rita Rudner, Tracy Wells

Carolyn Freeman, Burt Reynolds, Phoebe Snow

Dan Aykroyd, Bill Murray, Kevin Meaney

Jeff Altman, Helen Shaver, Smokey Robinson

Jay Leno (guest host), Bob Elliott, Chris Elliott, Hugh Downs, Judy Collins

Shirley MacLaine, k.d. lang

Martin Short, Cybill Shepherd

Catherine Grant, Pat Hazell, Catherine Hicks

Jay Leno (guest host), Paula Poundstone, Leonard Nimoy, 10,000 Maniacs

Jay Leno (guest host), Super Dave Osborne, Tim Reid

Jay Leno (guest host), Ann Hodgman, Thomas Hearns, Edie McClurg

Jay Leno (guest host), Peter Pitofsky, Alley Mills, Fred Roggin

Jay Leno (guest host), Joan Embery, Jerry Jeff Walker

Jay Leno (guest host), Carol Leifer, Roy Blount, Jr., Bonnie Raitt

Sammy Davis, Jr., Leonard Waxdeck & The Birdcallers

Jim Porter, A. Whitney Brown, Lyle Lovett

Robert Townsend, Sam Kinison, Leningrad Dixieland Jazz Band

Jay Leno (guest host), Bob Hope, Erma Bombeck, The Robert Cray Band

Tony Bennett, Margaret Whitton

Dottie Byrd, David Horowitz

Garry Shandling, Patrick Swayze

Teresa Ganzel, David Steinberg

Richard Pryor, Rain Pryor

Sean Lomax, Kenny Rogers

Jay Leno (guest host), Michele Lee, Craig T. Nelson, George Wallace

Bob Saget, Miriam Margolyes

Buddy Hackett, Cowboy Junkies

Harry Anderson, Aprile Milo

Jay Leno (guest host), Smothers Brothers, Richard Lewis, Alabama

Captain Maurice Seddon, Jeff Daniels, Lyle Lovett

Tim Conway, Mummenschanz

Barry Sobel, Patrick Duffy, Dr. John, Rickie Lee Jones

Jay Leno (guest host), Jim Henson, Tom Brokaw, Loretta Lynn

Dudley Moore, Jack Mayberry, Etta James & The Roots Band

Jonathan Winters, Peter Strauss

Tony Danza, Calvin Trillin, Pete Fountain

Jay Leno (guest host), Helen Gurley Brown, Carole King

Jim Fowler, K.T. Oslin

Michael Keaton, Ritch Shydner, Joshua Bell

Jodie Foster, Reba McEntire

Jay Leno (guest host), Anthony Perkins, Dave Coulier, Leon Redbone

Jay Leno (guest host), Tannis Vallely, Cathy Guisewite, Buster Poindexter

Jay Leno (guest host), Charlie Sheen, Gene Siskel, Roger Ebert, Crystal Gayle

Jay Leno (guest host), Michael Fishman, Jerry Seinfeld, Ricky Van Shelton

Jay Leno (guest host), Meredith Baxter Birney, Jeff Altman, Phil Collins

Jay Leno (guest host), Sid Caesar, Franklin Ajaye, Ernie Hudson, Billy Vera & The Beaters

Bob Hope, David Horowitz

Chevy Chase, Kevin Pollack, Placido Domingo

Julie Krone, Shelley Long

Jay Leno (guest host), Angie Dickinson, Charlton Heston, Penelope Ann Miller

Oprah Winfrey, The Trinity Irish Dancers

Louie Anderson, Gipsy Kings

Joe Piscopo, Perri

Jay Leno (guest host), Geena Davis, Blake Clark, Tim Busfield, Randy Newman

Michael Landon, John Mendoza, Thelma Houston

Bert Grantges, Bill Maher, Diane Schuur

Bob Newhart, Kevin Meaney, King's Sisters

Jay Leno (guest host), Linda Gray, Jamie Lee Curtis, Smokey Robinson

Jay Leno (guest host), Arnold Schwarzenegger, Joanna Kerns, Nigel Havers

Jay Leno (guest host), Michael Richards, Lynn Redgrave, Roy Blount, Jr., America

Jay Leno (guest host), Sigourney Weaver, Marilyn Horne

Jay Leno (guest host), Cybill Shepherd, Tom Bosley, Michelle Shocked

Jay Leno (guest host), Debbie Reynolds, Kevin Nealon, Kirk Cameron

George Bush, Ray Sharkey, Brooke Adams

Carl Reiner, Miriam Margolyes, Sandi Patti

Mark & Carol Hebbard, Alan King

Jay Leno (guest host), Harry Anderson, Ted Danson, Paul Williams

James Woods, Gloria DeHaven

George Carlin, Don McLean

Patrick Swayze, Rodney Crowell

Jay Leno (guest host), Sandy Duncan, Paula Poundstone, Gene Siskel, Roger Ebert

Super Dave Osborne, Mark Schiff, Park Overall

Bob Uecker, Cathy Guisewite

John Larroquette, Lance Burton, Jennifer Tilly

Jay Leno (guest host), John Ritter

Fred Roggin

Jay Leno, Fred Savage, Brian Gillis

Martin Short, Isabella Rossellini

Jay Leno (guest host), Tom Selleck, Lisa Hartman, Joan Embery

Suzanne Pleshette, Louis Bellson

Dudley Moore, Jerry Seinfeld, K.T. Ostin

Jay Leno (guest host), Robert Urich, Carol Kane, Jimmy Brogan, Mr. Rogers

Teddy Andrews, Robert Klein, Blair Brown

Don Rickles, Rolf Benirschke, Tiffany

Linda Clark, Victoria Jackson, Chuck Berry

Jay Leno (guest host), Ken Olin, Calvin Trillin, Jeffrey Osborne

Mabel Hines Buck, Paul Reiser, Jason Bateman

Bob Saget, Nadja Salerno-Sonnenberg

David Steinberg, Susie Essman

James Stewart, Bob Saget, Preston Smith