Late Night with Conan O'Brien is an American late-night talk show hosted by Conan O'Brien that aired 2,725 episodes on NBC between 1993 and 2009. The show featured varied comedic material, celebrity interviews, and musical and comedy performances. The second incarnation of NBC's Late Night franchise, O'Brien's debuted in 1993 after David Letterman, who hosted the first incarnation of Late Night, moved to CBS to host Late Show opposite The Tonight Show. In 2004, as part of a deal to secure a new contract, NBC announced that O'Brien would leave Late Night in 2009 to succeed Jay Leno as the host of The Tonight Show. Jimmy Fallon began hosting his version of Late Night on March 2, 2009.
Late Night with Conan O'Brien (Season 11)
Jon Lovitz, Wilmer Valderrama, Jet (Episode 1)
Air date: 2003-09-03
Gary Sinise, Seth Green, Tanya Streeter (Episode 2)
Air date: 2003-09-04
David Spade, Sara Rue, Jim Gaffigan (Episode 3)
Air date: 2003-09-05
Michael Caine, Jason Biggs, Joss Stone (Episode 4)
Air date: 2003-09-16
Christina Ricci, Michael Rapaport, The Folksmen (Episode 5)
Air date: 2003-09-17
Charlie Sheen, Scarlett Johansson, My Morning Jacket (Episode 6)
Air date: 2003-09-18
Kelsey Grammer, Craig Bierko, Greg Giraldo (Episode 7)
Air date: 2003-09-19
Kevin James, Teri Polo, Ken Burns (Episode 8)
Air date: 2003-09-23
Whoopi Goldberg, Rosario Dawson, Eastmountainsouth (Episode 9)
Air date: 2003-09-24
Diane Lane, Wanda Sykes, Jonny Lang (Episode 10)
Air date: 2003-09-25
The Rock, Isaac Mizrahi, Robert Randolph & The Family Band (Episode 11)
Air date: 2003-09-26
Alec Baldwin, Vanessa Marcil, Rancid (Episode 12)
Air date: 2003-09-30
Val Kilmer, Carmen Electra, Todd Barry (Episode 13)
Air date: 2003-10-01
Jack Black, Christopher Walken, Staind (Episode 14)
Air date: 2003-10-02
Lisa Kudrow, Jeremy Piven, Grandaddy (Episode 15)
Air date: 2003-10-03
Kevin Bacon, Vivica A. Fox, The Del McCoury Band (Episode 16)
Air date: 2003-10-07
Lucy Liu, Michael Moore, Gov't Mule (Episode 17)
Air date: 2003-10-08
Uma Thurman, Josh Lucas, North Mississippi All-stars (Episode 18)
Air date: 2003-10-09
Gwyneth Paltrow, Philip Seymour Hoffman, Howie Day (Episode 19)
Air date: 2003-10-10
Tim Robbins, Natasha Henstridge, Kaki King (Episode 20)
Air date: 2003-10-16
David Arquette, Gina Gershon, Béla Fleck and the Flecktones (Episode 21)
Air date: 2003-10-17
Norm MacDonald, Laura Prepon, Triumph the Insult Comic Dog (Episode 22)
Air date: 2003-10-28
Al Franken, Courtney Thorne-Smith, The Thrills (Episode 23)
Air date: 2003-10-29
Quentin Tarantino, Molly Sims, Chuck Palahniuk (Episode 24)
Air date: 2003-10-30
James Caan, David Cross, Greg Behrendt (Episode 25)
Air date: 2003-10-31
Patrick Stewart, Regina Hall, The Strokes (Episode 26)
Air date: 2003-11-04
Laurence Fishburne, Steven R. Schirripa, The Polyphonic Spree (Episode 27)
Air date: 2003-11-05
Will Ferrell, Chloë Sevigny, Sarah Vowell (Episode 28)
Air date: 2003-11-06
Darrell Hammond, Shannen Doherty, Joshua Bell (Episode 29)
Air date: 2003-11-07
Ice-T, Jenna Elfman, The Strokes (Episode 30)
Air date: 2003-11-11
Brendan Frasier, Marg Helgenberger, Ron Isley & Burt Bacharach (Episode 31)
Air date: 2003-11-12
Dolly Parton, Steve Irwin (Episode 32)
Air date: 2003-11-13
Russell Crowe, Alicia Silverstone, Andrew W.K. (Episode 33)
Air date: 2003-11-14
William H. Macy, Heidi Klum, The Strokes (Episode 34)
Air date: 2003-11-18
Elvis Costello, Eliza Dushku (Episode 35)
Air date: 2003-11-19
Billy Bob Thornton, Nick Lachey, Rob Krueger (Episode 36)
Air date: 2003-11-20
Lauren Graham, Steve Harvey, Dashboard Confessional (Episode 37)
Air date: 2005-11-21
Ron Howard, John Tesh, The Strokes (Episode 38)
Air date: 2003-11-25
Zach Braff, Billy Connolly, The Brian Setzer Orchestra (Episode 39)
Air date: 2003-11-26
Bernie Mac, Ben Chaplin, Thursday (Episode 40)
Air date: 2003-11-27
Brian Williams, Maggie Gyllenhaal, Jim Gaffigan (Episode 41)
Air date: 2003-12-09
Jude Law, Maggie Gyllenhaal, Michelle Branch (Episode 42)
Air date: 2003-12-10
Greg Kinnear, Bob Odenkirk, Tom Shales (Episode 43)
Air date: 2003-12-11
Matt Damon, Kevin Pollack, Randy Newman (Episode 44)
Air date: 2003-12-12
Kelly Ripa, Emma Bolger, Tony Bennett (Episode 45)
Air date: 2003-12-16
Elijah Wood, Estella Warren, Liz Phair (Episode 46)
Air date: 2003-12-17
Jennifer Connelly, Lewis Black, Sam Goldstein (Episode 47)
Air date: 2003-12-18
Natalie Portman, Bill O'Reilly, Patty Loveless (Episode 48)
Air date: 2003-12-19
Julia Stiles, Marc Maron. Mitch Hedberg (Episode 49)
Air date: 2003-12-23
Ian McKellen, Petra Nemcova, The Stills (Episode 50)
Air date: 2003-12-26
Tom Brokaw, Gary Sheffield, John Mayer with Buddy Guy and Double Trouble (Episode 51)
Air date: 2003-12-30
Jarod Miller, Amy Sedaris, Moby (Episode 52)
Air date: 2003-12-31
Ethan Hawke, George Wendt, Natalie MacMaster (Episode 53)
Air date: 2004-01-02
Tyra Banks, Andy Serkis, Los Lonely Boys (Episode 54)
Air date: 2004-01-13
Benicio Del Toro, Richard Lewis, Maroon 5 (Episode 55)
Air date: 2004-01-14
Ben Stiller, Sarah Ferguson, Rich Hall (Episode 56)
Air date: 2004-01-15
Nathan Lane, Susie Essman, The Bouncing Souls (Episode 57)
Air date: 2004-01-16
Dave Chappelle, Jerry Orbach, The Candy Butchers (Episode 58)
Air date: 2004-01-20
Donald Trump, Jeff Garlin, Brian Kiley (Episode 59)
Air date: 2004-01-21
Ashton Kutcher, Kristin Kreuk, Rickie Lee Jones (Episode 60)
Air date: 2004-01-22
Topher Grace, Jack Osbourne, Jim McMullan (Episode 61)
Air date: 2004-01-23
Al Roker, Mischa Barton, Mindy Smith (Episode 62)
Air date: 2004-02-03
Matt Lauer, Tom Cavanagh, Paul Teutul, Paul Teutul Jr., & Mikey Teutul (Episode 63)
Air date: 2004-02-04
Megan Mullally, Harry Connick Jr. (Episode 64)
Air date: 2004-02-05
Drew Barrymore, Paul Rudd, The Walkman (Episode 65)
Air date: 2004-02-06
Mike Myers, Ron James (in Toronto) (Episode 66)
Air date: 2004-02-10
Michael J. Fox, Ken Capling, Nickelback (in Toronto) (Episode 67)
Air date: 2004-02-11
Adam Sandler, Stompin' Tom Connors (in Toronto) (Episode 68)
Air date: 2004-02-12
Jim Carrey, Eric McCormack, Barenaked Ladies (in Toronto) (Episode 69)
Air date: 2004-02-13
Meg Ryan, "Queer Eye" Guys, The Shins (Episode 70)
Air date: 2004-02-17
Kristen Davis, Omar Epps, The Holmes Brothers (Episode 71)
Air date: 2004-02-18
James Spader, Ruben Studdard, Kenny Chesney (Episode 72)
Air date: 2004-02-19
Walter Cronkite, Fred Armisen, Ben Harper (Episode 73)
Air date: 2004-02-20
Damon Wayans, Paulie Litt, Al Green (Episode 74)
Air date: 2004-02-24
Andy Garcia, Brittany Daniel, Brini Maxwell (Episode 75)
Air date: 2004-02-25
Samuel L. Jackson, James Carville, Van Hunt (Episode 76)
Air date: 2004-02-26
Barbara Walters, Grant Rosenmeyer, Grant Lee Philips (Episode 77)
Air date: 2004-02-27
Andy Dick, Clyde Peeling, Wheat (Episode 78)
Air date: 2004-03-02
Snoop Dogg, Paul Bettany, Mr. Geography (Episode 79)
Air date: 2004-03-03
Michael Imperioli, Kenan Thompson, Tom Jones (Episode 80)
Air date: 2004-03-04
Ben Stiller, Owen Wilson, Meredith Vieira, Cee-lo (Episode 81)
Air date: 2004-03-05
Liv Tyler, Juliette Lewis, Norah Jones (Episode 82)
Air date: 2004-03-09
Jeff Goldblum, Omarosa Stallworth, Sarah McLachlan (Episode 83)
Air date: 2004-03-10
Elijah Wood, Rachel Dratch, B. J. Novak (Episode 84)
Air date: 2004-03-11
Frankie Muniz, Big Show, Ollabelle (Episode 85)
Air date: 2004-03-12
Edie Falco, Mayor Jason West, The Allman Brothers Band (Episode 86)
Air date: 2004-03-16
Carson Daly, Portia de Rossi, James Lipton (Episode 87)
Air date: 2004-03-17
Kate Winslet, Jamie Lynn DiScala, The Living End (Episode 88)
Air date: 2004-03-18
Ethan Hawke, Neil Young, Omid Djalili (Episode 89)
Air date: 2004-03-19
Bob Costas, Brian Posehn, Toby Lightman (Episode 90)
Air date: 2004-03-30
Minnie Driver, Chris Klein, Usher (Episode 91)
Air date: 2004-03-31
Al Frankin, Vivica A. Fox, Scotty Nguyen (Episode 92)
Air date: 2004-04-01
The Rock, Colin Quinn, The Sleepy Jackson (Episode 93)
Air date: 2004-04-02
Johnny Knoxville, Elisha Cuthbert, The Distillers (Episode 94)
Air date: 2004-04-06
Lorraine Bracco, Bill Bellamy, Eagles Of Death Metal (Episode 95)
Air date: 2004-04-07
Cedric the Entertainer, Jason Bateman, Yoshi Amao (Episode 96)
Air date: 2004-04-08
Tim Robbins, Larry King, Lambchop (Episode 97)
Air date: 2004-04-09
Uma Thurman, Jon Favreau, Sugarcult (Episode 98)
Air date: 2004-04-13
Quentin Tarantino, Rhona Mitra, Ben Kweller (Episode 99)
Air date: 2004-04-14
Chris Rock, Shannon Elizabeth, Joe Buck (Episode 100)
Air date: 2004-04-15
David Duchovny, Kwame Jackson, Jim Gaffigan (Episode 101)
Air date: 2004-04-16
Rebecca Romijn-Stamos, Patton Oswalt, Shinedown (Episode 102)
Air date: 2004-04-27
Jennifer Esposito, Mark McKinney, David Feldman (Episode 103)
Air date: 2004-04-28
Tina Fey, Jamie Foxx, John Mayer (Episode 104)
Air date: 2004-04-29
Lindsay Lohan, Randy Jackson, Patti Smith (Episode 105)
Air date: 2004-04-30
Ray Liotta, Rachel Bilson, Carly Simon (Episode 106)
Air date: 2004-05-04
Andy Richter, Mila Kunis, Georges Brossard (Episode 107)
Air date: 2004-05-05
Brad Pitt, Janet Jackson (Episode 108)
Air date: 2004-05-06
Lauren Graham, Paula Abdul, Old Crow Medicine Show (Episode 109)
Air date: 2004-05-07
Eric Bana, Amy Poehler, Sondre Lerche (Episode 110)
Air date: 2004-05-11
Kelsey Grammer, Mariska Hargitay, Lewis Black (Episode 111)
Air date: 2004-05-12
Jimmy Fallon, Vince Curatola, Jamie Cullum (Episode 112)
Air date: 2004-05-13
Peter Gallagher, Pun Yin, Rachael Yamagata (Episode 113)
Air date: 2004-05-14
Laura Prepon, Robert Reich, Yellowcard (Episode 114)
Air date: 2004-05-18
Al Roker, Harland Williams, Manny Yarbrough (Episode 115)
Air date: 2004-05-19
Tom Selleck, Macaulay Culkin, Dave Attell (Episode 116)
Air date: 2004-05-20
Darrell Hammond, Benjamin McKenzie, Switchfoot (Episode 117)
Air date: 2004-05-21
Tom Arnold, Daniel Radcliffe, John Pizzarelli (Episode 118)
Air date: 2004-05-25
Brian Williams, Kevin Hart, Andrew W. K. (Episode 119)
Air date: 2004-05-26
Senator John McCain, George Lopez, Tom Papa (Episode 120)
Air date: 2004-05-27
Mandy Moore, Susie Essman, Ambulance, Ltd. (Episode 121)
Air date: 2004-05-28
Jay Mohr, Richard Schiff, Simple Kid (Episode 122)
Air date: 2004-06-08
Kristin Davis, Steve Coogan, Mama Gena (Episode 123)
Air date: 2004-06-09
Jennifer Love Hewitt, Steve Irwin, Indigo Girls (Episode 124)
Air date: 2004-06-10
Ice-T, Jeremy Suarez, Demetri Martin (Episode 125)
Air date: 2004-06-11
Jackie Chan, Tim Russert, Franz Ferdinand (Episode 126)
Air date: 2004-06-15
Matthew Broderick, Steven Wright, Patti Scialfa (Episode 127)
Air date: 2004-06-16
Tom Hanks, Sam Moore With Carla Thomas (Episode 128)
Air date: 2004-06-17
Gisele Bundchen, Jesse James, Auf Der Maur (Episode 129)
Air date: 2004-06-18
Ashley Judd, Jeff Goldblum, Alanis Morissette (Episode 130)
Air date: 2004-06-22
James Garner, Busy Phillips, Air Guitar Champion, Miri Park (Episode 131)
Air date: 2004-06-23
Marlon Wayans, Nicole Richie, Heart (Episode 132)
Air date: 2004-06-24
Michael Moore, Patton Oswalt, Ozomatli (Episode 133)
Air date: 2004-06-25
Will Ferrell, Beth Littleford, Jesse Malin (Episode 134)
Air date: 2004-07-06
Christina Applegate, Marc Maron, Sonic Youth (Episode 135)
Air date: 2004-07-07
John McEnroe, Sting (Episode 136)
Air date: 2004-07-08
Paul Rudd, Lars Ulrich, Jim Gaffigan (Episode 137)
Air date: 2004-07-09
Caroline Rhea, Jeff Garlin, Burning Brides (Episode 138)
Air date: 2004-07-13
Queen Latifah, Ali G, The Roots (Episode 139)
Air date: 2004-07-14
Alan Cumming, Vivica A. Fox, Ricky Fante (Episode 140)
Air date: 2004-07-15
Rev. Al Sharpton, Randy Constan (Episode 141)
Air date: 2004-07-16
Julianna Margulies, Kevin Pollak, Greg Fitzsimmons (Episode 142)
Air date: 2004-07-20
Benjamin Bratt, Isaac Mizrahi, Modest Mouse (Episode 143)
Air date: 2004-07-21
Halle Berry, Christopher Meloni, Erinn Smart (Episode 144)
Air date: 2004-07-22
Carson Daly, Laird Hamilton, D12 (Episode 145)
Air date: 2004-07-23
Natalie Portman, Mark Consuelos, Los Lobos (Episode 146)
Air date: 2004-08-03
Jamie Foxx, Josie Maran, Beenie Man (Episode 147)
Air date: 2004-08-04
Brittany Murphy, John Cho, Louis C. K. (Episode 148)
Air date: 2004-08-05
Jada Pinkett Smith, Aries Spears, Sahara Hotnights (Episode 149)
Air date: 2004-08-06
Seth Green, Anne Hathaway, NOFX (Episode 150)
Air date: 2004-08-10
Clyde Peeling, Dax Shepard, Mutual Admiration Society (Episode 151)
Air date: 2004-08-11
Compilation Show (Episode 152)
Air date: 2004-08-12
Darrell Hammond, Blanchard Ryan, They Might Be Giants (Episode 153)
Air date: 2004-08-13

Seasons
Episodes 230
Episodes 228
Episodes 195
Episodes 162
Episodes 170
Episodes 160
Episodes 166
Episodes 157
Episodes 160
Episodes 160
Episodes 153
Episodes 166
Episodes 162
Episodes 194
Episodes 163
Episodes 98
Episodes 30