Season 1

Actor Will Smith; U2 performs.

Comic Jerry Seinfeld; actress Kristen Wiig; Lady Gaga performs.

Actor Bradley Cooper; Tim McGraw performs.

First lady Michelle Obama; actor Will Ferrell; Arcade Fire performs.

Actor Justin Timberlake.

Actress Reese Witherspoon; actor Fred Armisen; Rick Ross performs with The Roots.

Actor Paul Rudd; retired basketball player Shaquille O'Neal; comic Hannibal Buress.

Actors Drew Barrymore and Adam Sandler; Dierks Bentley performs.

Actor Denzel Washington; snowboarder Shaun White; Sara Bareilles performs with The Roots.

Actress Cameron Diaz; actor Ralph Fiennes; chef Mario Batali.

Actress Tina Fey; Randy Newman performs.

TV host Chelsea Handler; Lea Michele performs.

Actress Annette Bening; actor Norman Reedus; The Avett Brothers perform.

Actor Liam Neeson; actress Lindsay Lohan; Bad Things perform.

TV host Stephen Colbert; actress Keri Russell; Broken Bells perform.

Actress Kristen Bell; TV host Steve Harvey; Demi Lovato performs with the Roots; Bobby McFerrin performs with The Roots.

Director Tyler Perry; comic Billy Eichner; Juanes performs.

Actress Shailene Woodley; comic Artie Lange; Beck performs; Judith Hill performs with The Roots.

Actress Julianna Margulies; actor Patton Oswalt; comic Nate Bargatze.

Actor James Franco; TV host Andy Cohen; Jake Bugg performs.

Actor James Spader; Kermit the Frog; Black 47 performs.

Director Lena Dunham; actor Hugh Dancy; Foster the People perform.

Actor Greg Kinnear; actress Emilia Clarke; restaurateurs Frank Castronovo and Frank Falcinelli.

Activist Chelsea Clinton; Billy Joel performs.

Actor Kevin Bacon; animal expert Jeff Musial; Ty Dolla $ign and Ann Wilson sit in with The Roots.

Actor Arnold Schwarzenegger; TV host Carson Daly; Vampire Weekend performs.

Actor Jude Law; Shakira performs.

Bill Cosby, Joby Ogwyn, Nathan East

Russell Crowe, Joan Rivers, The National

January Jones, Josh Holloway, Passenger

Chris Evans, Rick Jay

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Denis Leary, Cat Deeley, Nickel Creek

Daniel Radcliffe, Cedric the Entertainer, Travie McCoy

Bill O'Reilly, Anthony Mackie, Sky Ferreira

Colin Firth, Chloë Grace Moretz, Nas featuring Q-Tip, John Oates

Tonight's guests are Anne Hathaway, Marlon Wayans, Yusuf Islam

Jennifer Garner, Dave Grohl, Krist Novoselic, Stevie Nicks

Kevin Costner, Danica McKellar, Alan Cumming and the Broadway cast of ‘Cabaret’, Philip Bailey

Nicolas Cage, Emily VanCamp, KISS

Brian Williams, Christina Hendricks, Ilan Hall

David Duchovny; John Oliver. Also: Rita Ora performs.

Cameron Diaz, Jim Gaffigan, Future featuring Pusha T

Dr. Phil McGraw, James Van Der Beek, Courtney Barnett, Steven Tyler & Joe Perry

Jamie Foxx, Alan Cumming, Alicia Keys & Kendrick Lamar

Emma Stone, Robinson Cano, Keith Urban

Diane Keaton, Dane DeHaan, David Byrne, Daley

David Spade, Sophia Bush, The Both

Andrew Garfield, Mary Lynn Rajskub, Chvrches

Kevin Spacey, Lewis Black

Bryan Cranston, Brie Larson, Kevin Delaney

Seth Rogen; Matt Bomer. Also: Coldplay perform.

Zac Efron, Guy Fieri, Sarah McLachlan

Michael Fassbender, Zoe Saldana

James McAvoy, Amy Schumer, tUnE-yArDs

Louis CK, Jack White, Neil Young

Taylor Kitsch

Maya Rudolph, Robert Duvall, Lily Allen

Jennifer Lawrence, Craig Robinson, a performance by the Broadway cast of 'A Gentleman's Guide To Love and Murder'

Drew Barrymore, Giovanni Ribisi, Elbow

Liam Neeson, Terry Crews, Conor Oberst

Charlize Theron, Josh Hartnett

Hugh Jackman, Jimmy Page, Barry Gibb

Amanda Seyfried, Will Ferrell

Seth MacFarlane, Thandie Newton, Rascal Flatts

Tonight's guests are Ricky Gervais, Ansel Elgort, Miranda Lambert

Jonah Hill, Rahm Emanuel, Soundgarden

Tom Cruise, Kendall and Kylie Jenner, Chrissie Hynde

Mike Myers, Neil deGrasse Tyson, Damon Albarn

Channing Tatum, Joshua Topolsky, Julian McCullough

Clint Eastwood, Jack White

Jim Carrey, Jeff Daniels, Taylor Schilling, Ed Sheeran

Barbara Walters, Mama June & Honey Boo Boo, Iliza Shlesinger

Chris Rock, Kacey Musgraves

Dave Chappelle, Body Count

Jennifer Lopez, Keenen Ivory Wayans

Kevin Hart, Jimmy Buffett

Rosario Dawson, Jeff Musial, Fun.

George Lopez, Pitbull

Kiefer Sutherland, Nicole Richie; Crosby, Stills & Nash

Halle Berry, Chris Colfer, Florida Georgia Line

Kelly Ripa, Jason Clarke, Sylvan Esso

Dana Carvey, Hailee Steinfeld, MAGIC!

Guests include Liev Schreiber, Rob Reiner and Gabriel Iglesias

TV host Michael Strahan; actress Diane Kruger; Phish performs.

Actress Cameron Diaz; actor Josh Gad; Bleachers perform.

TV host Whoopi Goldberg; actor Stephen Moyer; Puss N Boots performs.

Jason Mraz performs.

Actor Dan Aykroyd.

Actress Kate Hudson; actor Ellar Coltrane; Nico & Vinz perform.

Actor Dwayne Johnson; TV personality Mel B.; Chronixx performs.

Actress Robin Wright; actor Josh Charles; Weezer performs.

Morgan Freeman, Kesha, Tweedy

Jon Hamm, Brit Marling, Martha Stewart.

Actor James Franco; actor Chadwick Boseman; Jenny Lewis performs.

Actor Vin Diesel; actress Aubrey Plaza; will.i.am performs with The Roots.

TV personality Heidi Klum; actor Mike Birbiglia; Temples performs.

Actress Julia Roberts; actor Ron Funches.

Actor Martin Lawrence; actress Jenny Slate; Aloe Blacc performs with The Roots.

Actress Helen Mirren; director James Cameron; Spoon performs.

Actor Clive Owen; actress Nina Dobrev; The Head and The Heart perform.

Actress Megan Fox; TV host Nick Cannon; Wiz Khalifa performs.

Actor Will Arnett; T.I. performs with The Roots.

Actor Jeff Bridges; actress Ali Larter; comic Andy Woodhull.

Actress Katie Holmes; comic Chris Hardwick; OneRepublic performs.

Actress Jessica Alba; actor Rob Riggle; Kings of Leon perform; Ace Frehley sits in with The Roots.

Singer-songwriter Taylor Swift; actor Andrew Rannells; Ryan Adams performs.

Actor Sylvester Stallone; actress Eve Hewson; winner of "Last Comic Standing."

Actor Jason Statham; singer Demi Lovato; chef David Chang.

Comic Bill Cosby; professional golfers Tiger Woods and Rory McIlroy; Royksopp and Robyn perform.

Actor Pierce Brosnan; actress Tavi Gevinson; The Madden Brothers perform.

Actor Jared Leto; actress Amy Brenneman; Thirty Seconds to Mars performs; Tom Bailey sits in with The Roots.

Actor Josh Brolin; chef Giada De Laurentiis.

Actor Ethan Hawke; actress Amy Sedaris; The Secret Sisters perform.

Singer Adam Levine; journalist Meredith Vieira; Maroon 5 performs.

Actors Tim Heidecker and Eric Wareheim; Blake Shelton performs; Sheila E. sits in with The Roots.

Actor Larry David; supermodel Gisele Bündchen; Jeezy and Future perform with The Roots.

Actor Claire Danes; rapper will.i.am; Fences and Macklemore perform.

Actor Jason Segel; TV host Steve Harvey; Alicia Keys performs with The Roots.

Musician Keith Richards; actress Debra Messing.

Actor Hugh Jackman; actor Nick Offerman; Luke Bryan performs.

Actress Jessica Chastain; actor Jeffrey Tambor; Chris Brown performs.

Actress Glenn Close; actor Justin Long; comic Kurt Braunohler.

Barbra Streisand talks and performs.

Actress Julianna Margulies; actor Jerry Lewis; Public Enemy performs with The Roots.

Actor Liam Neeson; screenwriter Terry Gilliam.

Actor Billy Crystal; actress Rose Byrne; chef Nobu Matsuhisa; Lecrae performs with The Roots.

Actor James Spader.

Actress Sofia Vergara; actress Megan Boone; The Black Keys perform.

Actress Kerry Washington; TV host Carson Daly; Julian Casablancas and The Voidz perform.

Actor Andy Samberg; professional basketball player Kevin Durant; Kenny Chesney performs.

Actor Chris Pratt; actress Rosamund Pike.

Actors Matthew Broderick and Nathan Lane; Robert Plant perform.

Actor Ben Affleck; actress Kate Walsh.

Actor Tyler Perry; actor Miles Teller; Lucinda Williams performs with The Roots.

Actress Jennifer Garner; actor John Mulaney; Lady Antebellum performs.

New York Yankees captain Derek Jeter; actor James Marsden; 5 Seconds of Summer perform.

Actress Emma Thompson; comic Dane Cook.

Actor Jeremy Renner; actress Carol Burnett; chef Mario Batali; Joe Perry performs with The Roots.

Actress Kristen Stewart; comic Artie Lange; Jason Aldean performs; Nas sits in with The Roots.

Actor Robert Downey Jr.; producer Ira Glass; Big & Rich performs.

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Actor Zach Galifianakis; actress Casey Wilson.

Actress Emma Stone; actor Logan Lerman; Sam Smith performs.

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Musician Sting; actor Jason Schwartzman; a performance from Broadway's "The Last Ship."

Actor Bradley Cooper; Neil Diamond performs.

Actor Ewan McGregor; sportscaster Charles Barkley; Wilco performs; Herbie Hancock sits in with The Roots.

Actor Daniel Radcliffe; actor Mike Tyson; Sturgill Simpson performs.

Actor Jake Gyllenhaal; actor Paul Reubens; She & Him performs; George Clinton sits in with The Roots.

Chef and TV host Gordon Ramsay; "Fallonventions"; Little Big Town performs.

Actor Kevin Spacey; actress Olivia Munn; comic duo The Lucas Bros.

Actress Anne Hathaway; actor Gael Garcia Bernal; Stevie Nicks performs.

Journalists Savannah Guthrie and Matt Lauer; actress Felicity Jones; FKA Twigs performs.

Comic Jim Gaffigan; Bette Midler performs.

Actor Matthew McConaughey; actress Beth Behrs; Tove Lo performs.

Comic Jay Leno; actress Lucy Liu; Museum of Discovery director of visitor experience Kevin Delaney; Dave Davies sits-in with The Roots.

Actor Jeff Daniels; actress Mackenzie Foy; The New Basement Tapes perform.

Actress Drew Barrymore; directors Bobby and Peter Farrelly; Johnny Marr performs.

Actor Channing Tatum; actor Eddie Redmayne; Logic performs with The Roots.

Actor Josh Hutcherson; actress Tracey Ullman; Echosmith performs.

Actor Liam Hemsworth; actress Katherine Heigl; comic Sebastian Maniscalco; Kool and the Gang sits in with The Roots.

Tonight guests are actor Benedict Cumberbatch and actress Allison Williams. Musical guest will be rock band U2.

Tonight Jimmy's guests are comedian Russell Brand and actress Brooke Shields. Musical guest will be rock band U2.

Tonight guests are political satirist Jon Stewart and writer Stephen Merchant. Musical guest will be rock band U2.

Tonight Jimmy's guests are actor Mark Ruffalo and singer of the Red Hot Chili Peppers Anthony Kiedis. Musical guest will be rock band U2.

Tonight guests are actress Julianne Moore and Canadian actor Michael Cera. Musical guest will be rock band U2.

Tonight Jimmy's guests are actor Tim Allen and rapper will.i.am. Musical guest will be rapper Dej Loaf.

Tonight guests are television host Bill O'Reilly and singer-songwriter Lorde.

Tonight Jimmy's guests are actor Christopher Walken and singer-songwriter Nick Jonas. Musical guest will be rapper Iggy Azalea.

Tonight guests are singer-songwriter Garth Brooks and film actress Rashida Jones.

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Actor Chris Rock; Carrie Underwood performs.

Actor Ricky Gervais; actor Steven Van Zandt; I Love Makonnen performs.

Actor Mark Wahlberg; actor Kevin Nealon.

Actor Dwayne Johnson; journalist Barbara Walters; Rick Ross performs.

Actor Martin Freeman; actress Megan Mullally; Yusuf/Cat Stevens performs.

Actress Oprah Winfrey; Idina Menzel performs.

Actor Christoph Waltz; Nicki Minaj performs.

Actor Orlando Bloom.

Actress Amy Adams; actor Nick Offerman; Foo Fighters perform.

Actor Ben Stiller; actress Brie Larson; actor Damon Wayans.

Actor Chris Pine; actor David Oyelowo; chef Bobby Flay.

Comic Jerry Seinfeld; One Direction performs; Big Sean performs with The Roots.

Actor Bradley Cooper; singer Harry Connick Jr.; Big K.R.I.T. performs with Raphael Saadiq and The Roots.

Actress Nicole Kidman; actor Patton Oswalt; The War on Drugs performs.

Actor Liam Neeson; actors Fred Armisen and Carrie Brownstein.

Actress Lena Dunham; actor J.K. Simmons; Ghostface Killah performs with The Revelations, Az and Kool G Rap.

Actor Don Cheadle; actress Kate Bosworth.

Actor Charlie Day; Animal Expert Jeff Musial; Darius Rucker performs