(Returning Premiere) Jay Leno takes back the 11:35 spot as the host of the Tonight Show for the second time. Actor Jamie Foxx; skier Lindsey Vonn; Brad Paisley performs.

Sarah Palin; Olympic Gold Medal Snowboarder Shaun White; musical performance by Adam Lambert.

Chelsea Handler; Winter Olympian Speed Skater Apolo Anton Ohno; musical performance by Avril Lavigne; "Jaywalk All-Stars: with the Cast of "Jersey Shore."

Matthew McConaughey; Brett Favre; musical performance by Lifehouse.

Morgan Freeman; Jason Reitman; musical performance by Robin Thicke.

Simon Cowell; musical performance by Ben Harper.

Christoph Waltz; Animal Expert Dave Salmoni; musical performance by Joan Jett and The Blackhearts.

Kristen Stewart; Guy Fieri; musical performance by Ryan Bingham.

Dana Carvey; Kim Kardashian; musical performance by Colbie Caillat.

Dakota Fanning; Judd Apatow

Sports analyst Terry Bradshaw; reality TV personality Kara DioGuardi; Ziggy Marley performs; Headlines.

Actor Hugh Jackman; actress Betty White; Collective Soul performs; St. Patrick's Day Jaywalking.

Actor Dwayne Johnson; kid inventors; Switchfoot performs; JMZ: Stalker Cam.

Singer Janet Jackson; actor Clark Duke; Orianthi performs; Google Earth View.

Actor John Cusack; reality show personality Heidi Montag; Barenaked Ladies perform; Pumpcast.

Sports analysts Charles Barkley and Kenny Smith with TV show host Ernie Johnson; k.d. lang performs

Coming soon...

Reality TV personality Randy Jackson; Matt and Amy Roloff("Little People, Big World").

Kirstie Alley; David Boreanaz; Music of Slash featuring Andrew Stockdale.

David Duchovny; Kendra Wilkinson-Baskett; Music of Corinne Bailey Rae.

Demi Moore; Congressman Barney Frank; Train performs.

Julie Scardina with Sea World Animals; Mary McCormack

Actor Russell Crowe; actress Jenna Elfman; Sade performs.

Actor Nicolas Cage; Lady Antebellum performs.

Actor Tracy Morgan; actor Christopher Mintz-Plasse; Alan Jackson performs.

Actress Kate Gosselin; Kenny Chesney performs.

Brooke Shields; Roundtable; Phoenix performs; Headlines.

Heidi Klum; Ken Jeong; Smashing Pumpkins.

Jennifer Lopez; Chace Crawford; Naralie Merchant.

Jeff Corwin; Maxwell.

Creed perform.

Joel McHale; The Real Housewives of New Jersey: Caroline Manzo, Jacqueline Laurita and Teresa Giudice; Melissa Etheridge performs; Headlines.

Jessica Simpson; Jackie Earle Haley; Dierks Bentley; Jaywalking.

Chelsea Handler; Terry Bradshaw; Aqualung; Google's Street View; Jay's Birthday.

Arnold Schwarzenegger; Captain Sig Hansen ("Deadliest Catch"); Laura Bell Bundy.

Mickey Rourke; Ashley Graham; Comic Kevin Meaney.

Julia Louis Dreyfus; Jon Favreau; Godsmack: performance from the CD "The Oracle."

Scarlett Johansson; Frank Caliendo; Michael Bolton: performance from the CD "One World, One Love."

Robert Downey Jr.; Kevin Eubanks and The Tonight Show Band.

Samuel L. Jackson; Kara DioGuardi

Don Cheadle; Erin Andrews

Laura Bush, Jessica Kirson, Limp Bizkit

Amanda Seyfried, Guy Fieri, Luke Bryan

Betty White, Jarod Miller, Macy Gray

Garry Shandling, Ellie Kemper, Jakob Dylan

Donald Trump, the Jonas Brothers, Neon Trees

Michael Douglas, Charles Barkley, Joe Nichols

Michael Douglas, Charles Barkley, Joe Nichols

Eddie Murphy, Carrie Ann Inaba, Bruno Tonioli, Damian Marley with Nas

Chelsea Handler, Chris Matthews, Sarah McLachlan

Kiefer Sutherland, Mary Lynn Rajskub, Adam Lambert

Russell Brand, David Gregory

Bret Michaels, Jane Krakowski, John Butler Trio

Kathy Griffin, Paula Deen, Hanson

Katherine Heigl, Matthew Morrison, Allison Moorer

Colin Farrell, Elisabeth Moss, Kevin Eubanks

Howie Mandel, Jillian Michaels, Hole

Chris Rock, Nicole "Snooki" Polizzi, Sting

Adam Sandler, Rachel Maddow, OK Go

Denis Leary, Judd Apatow, Alanis Morissette

Tim Allen, Against Me!

Josh Brolin, Ashley Greene, Cee-Lo

Robert Pattinson, Emma Roberts, Travis McCoy

Rob Schneider, Matisyahu

Jonah Hill, Quinton "Rampage" Jackson, Punch Brothers

David Spade, Kelis

Dakota Fanning, Daniel Tosh, Crystal Bowersox

Mike "The Situation" Sorrentino, Robert Randolph

Jeremy Piven, Louis C.K., Drake

Tom Cruise, Bryce Dallas Howard, Sharon Jones & the Dap-Kings

Cameron Diaz, Lee DeWyze

Jason Segel, Jenni "JWoww" Farley, Enrique Iglesias

Dave Salmoni, Big Boi

Steve Carell, Jane Lynch

Adrien Brody, Chris Isaak

Seth Meyers, Jonathan Hillstrand & Josh Harris, Tracy Bonham

Jennifer Love Hewitt, Jay Baruchel

Tracy Morgan, Drew Brees, Flo Rida

Ellen Page, Austin "Chumlee" Russell & Corey Harrison, Grace Potter & the Nocturnals

Craig Kilborn, Stephen Moyer, the Swell Season

Don Rickles, Dwyane Wade, KISS

Zac Efron, Lior Suchard, the Black Eyed Peas

Chelsea Handler, Matt Bomer, Metric

Wanda Sykes, Ben Steinbauer, Jack Rebney, 3OH!3

Rachel Weisz, Tony Robbins, Gaslight Anthem

Bill O'Reilly, Adam Shankman, Lyle Lovett

Piers Morgan, Joey King, Jaron and the Long Road to Love

Eva Mendes, Isiah Mustafa, Robert Cray

Jennifer Aniston, Jason Schwartzman, Stone Temple Pilots

Gabourey Sidibe, Jakub Vagner, Mike Vecchione

Sylvester Stallone, Criss Angel, Queens of the Stone Age

Betty White, Sam Trammell, Black Crowes

Gordon Ramsay, Sofia Vergara, K'naan

Mickey Rourke, Plain White T's

Emma Thompson, comics from "Chelsea Lately"

Mike Posner

Anna Kendrick, Eli Roth, Meat Loaf

Jason Statham, Los Lobos

Javier Bardem, the Whigs

Justin Long, Alejandro Escovedo

Don Johnson, Whitney Cummings, Cyndi Lauper & Jonny Lang

Kim Kardashian, Rep. Barney Frank, Norah Jones

Thomas Haden Church, Jules Sylvester, Goo Goo Dolls

Al Michaels, Cris Collinsworth, Steve Buscemi, Herbie Hancock, Susan Tedeschi & Derek Trucks

Louis C.K., Sara Bareilles

Carey Mulligan, Meghan McCain, Hans Staples

Chelsea Handler, Ray LaMontagne

Katie Couric, David Gray

Hugh Laurie, Emma Stone, Sarah McLachlan

Bill Maher, Kristen Bell, Brandon Flowers

Jamie Lee Curtis, Mike "The Situation" Sorrentino, Trace Adkins

Ben Affleck, Julie Bowen

Kate Walsh, Jason Ritter, Santana & India.Arie

Joel McHale, Arianna Huffington

Justin Timberlake, Jane Lynch, OK Go

Ed Helms, Casey Affleck, Sheryl Crow

Ryan Reynolds, Betty White, Tommy Lee

Jimmy Smits, Jackie Evancho, Brian Wilson

Dwyane Wade, Zachary Levi, Gloria Gaynor

Lauren Graham, Vanilla Ice, Zac Brown Band

Patrick Dempsey, Train

Julie Scardina, Diane Lane, Seal

Morgan Freeman, Eric Stonestreet, Rodrigo y Gabriela

Meredith Vieira, Seth MacFarlane, Kenny Chesney

Will Arnett, Dot Marie Jones, a performance from Broadway's "Rock of Ages"

Terrence Howard, Jillian Michaels, K.T. Tunstall

Shaun White, Florence Henderson, Toby Keith

Katherine Heigl, Ben Rappaport, Meat Loaf

Terry Bradshaw, OneRepublic

Jay Mohr, Chad Ochocinco, Travie McCoy

Heidi Klum, Ty Burrell, Johnny Mathis

Harrison Ford, M.I.A.

Wanda Sykes, Kevin McHale

Eva Longoria Parker, John Legend

Matt Lauer, Martha Stewart, Lauren Pritchard

Robert Downey Jr., Paula Deen, Jamey Johnson

Robin Williams, Judd Apatow, Kylie Minogue

Denzel Washington, Corinne Bailey Rae

Rainn Wilson, Jimmy Eat World

Janet Jackson, Jesse Tyler Ferguson, Duffy

James Franco, Meghan McCain, Far East Movement

Anne Hathaway, Aaron Neville

Terry Bradshaw, Jennifer Grey, Jason Aldean

Arnold Schwarzenegger, N.E.R.D.

Dave Salmoni, Chris Pine, Lee DeWyze

David Spade

Kim Kardashian, Dennis Miller

Diane Keaton, Kevin McHale

Russell Crowe, Anna Torv, Annie Lennox

Julianne Moore, Tom Felton, Nelly

Christina Aguilera, Buddy Valastro

George W. Bush, Jewel

Garth Brooks, Elizabeth Banks

Dane Cook, Taylor Swift

Dwayne Johnson, Kevin Eubanks

Cher, Jeremy Renner

Elizabeth Banks

Bill Cosby, Atticus Shaffer

Chelsea Handler, Kellan Lutz, Rod Stewart

Mitt Romney, Darius Rucker

Jane Fonda, Ian Somerhalder

Louis C.K., Aron Ralston

Russell Brand, Chris Colfer, Jonny Lang with Chris Layton, Brad Whitford & Billy Cox

Helen Mirren, Aaron Eckhart, Keith Urban

Jeff Bridges, Rico Rodriguez

Halle Berry, Billy Gardell, Natasha Bedingfield

Matthew Morrison, Crystal Bowersox

Mark Wahlberg, Olivia Wilde, Good Charlotte

Jack Black, Michael Buble

Emily Blunt, Keith Fitzhugh, Jackie Evancho

Jason Segel, Adam Ferrara, Tanner Foust & Rutledge Wood, Katharine McPhee

Owen Wilson, Elle Fanning, Lyle Lovett with Kat Edonson

Larry King, Garrett Hedlund, Pink Martini

Emma Stone, Marjorie Johnson, Sharon Jones & the Dap-Kings

Javier Bardem, Jarod Miller, Naturally 7 with the Agape International Choir

Zachary Levi, Whitney Cummings, the West Angeles Choir