
| Title | Year | Status | Character |
|---|
| Take Two with Phineas and Ferb | 2011 | TV Series | Himself |
| The 53rd Annual Grammy Awards | 2011 | TV Special | Himself - Presenter |
| The 37th Annual People's Choice Awards | 2011 | TV Special | Himself - Winner |
| Spike TV VGA Video Game Awards | 2010 | TV Special | Himself - Host |
| The 2010 Primetime Creative Arts Emmy Awards | 2010 | TV Special | Himself - Winner |
| Fashion's Night Out | 2010 | TV Movie | Himself - Host |
| The 62nd Primetime Emmy Awards | 2010 | TV Special | Himself - Presenter & Nominee |
| Kevin Pollak's Chat Show | 2010 | TV Series | Himself - Guest |
| Make Believe | 2010 | Documentary | Himself |
| Through a Dog's Eyes | 2010 | TV Movie documentary | Narrator |
| The Oprah Winfrey Show | 2010 | TV Series | Himself - Guest |
| The 82nd Annual Academy Awards | 2010 | TV Special | Himself - Opening Number |
| A First Look at Batman: Under the Red Hood | 2010 | Video documentary short | Himself |
| American Idol | 2009-2010 | TV Series | Himself - Judge / Himself - Audience Member |
| The 67th Annual Golden Globe Awards | 2010 | TV Special | Himself - Nominee |
| CBS Fall Preview | 2009 | TV Movie | Himself - Host |
| The 3rd Annual CNN Heroes: An All-Star Tribute | 2009 | TV Special documentary | Himself - Presenter |
| The Tonight Show with Conan O'Brien | 2009 | TV Series | Himself - Guest |
| The 61st Primetime Emmy Awards | 2009 | TV Special | Himself - Host & Nominee |
| Jerry Lewis MDA Labor Day Telethon | 1990-2009 | TV Series | Himself |
| Top Chef Masters | 2009 | TV Series | Himself |
| The 63rd Annual Tony Awards | 2009 | TV Special | Himself - Host |
| The Early Show | 2009 | TV Series | Himself - Guest |
| The 7th Annual TV Land Awards | 2009 | TV Special | Himself - Host |
| A-List Awards | 2009 | TV Special | Himself |
| The 1st Annual Streamy Awards | 2009 | TV Special | Himself - Winner |
| 2009 Writers Guild Awards | 2009 | TV Special | Himself |
| The 66th Annual Golden Globe Awards | 2009 | TV Special | Himself - Nominee |
| Saturday Night Live | 2009 | TV Series | Himself - Host / Various |
| Spike TV VGA Video Game Awards | 2008 | TV Special | Himself |
| Commentary! The Musical | 2008 | Video short | Himself (voice) |
| The Making of Dr. Horrible's Sing-Along Blog | 2008 | Video documentary short | Himself - Dr. Horrible |
| Anytime with Bob Kushell | 2008 | TV Series | Himself - Guest (2008) |
| The 2008 World Magic Awards | 2008 | TV Special | Himself - Host |
| The 60th Primetime Emmy Awards | 2008 | TV Special | Himself - Presenter |
| 2008 Primetime Creative Arts Emmy Awards | 2008 | TV Special | Himself - Host |
| Stand Up to Cancer | 2008 | TV Movie | Himself |
| Fednet Mode | 2008 | Video documentary | |
| MADtv | 2008 | TV Series | Himself - Special Guest |
| Late Night with Conan O'Brien | 2006-2008 | TV Series | Himself - Guest |
| Million Dollar Password | 2008 | TV Series | Himself - Celebrity Guest |
| The 2007 World Magic Awards | 2007 | TV Special | Himself - Presenter |
| Wheel of Fortune | 2007 | TV Series | Himself - Celebrity Contestant |
| Dinner: Impossible | 2007 | TV Series | Himself - Guest Sous Chef |
| The 59th Primetime Emmy Awards | 2007 | TV Special | Himself - Co-Presenter & Nominee |
| 2007 Primetime Creative Arts Emmy Awards | 2007 | TV Special | Himself |
| The Visible Vote '08- A Presidential Forum | 2007 | TV Movie | Himself |
| The 61st Annual Tony Awards | 2007 | TV Special | Himself - Presenter |
| The States | 2007 | TV Series documentary | Himself (New Mexico) |
| The Morning Show with Mike & Juliet | 2007 | TV Series | Himself - Guest |
| 18th Annual GLAAD Media Awards | 2007 | TV Special | Himself |
| Film Independent's 2007 Spirit Awards | 2007 | TV Special | Himself |
| The Megan Mullally Show | 2006 | TV Series | Himself - Guest |
| The Thanksgiving Day Parade on CBS | 2006 | TV Movie | Himself |
| Square Off | 2006 | TV Series | Himself |
| Big Brother | 2006 | TV Series | Himself |
| 2006 Primetime Creative Arts Emmy Awards | 2006 | TV Special | Himself |
| The 60th Annual Tony Awards | 2006 | TV Special | Himself - Presenter |
| The Reichen Show | 2006 | TV Series | Himself |
| The 32nd Annual People's Choice Awards | 2006 | TV Special documentary | Himself |
| The Tony Danza Show | 2005 | TV Series | Himself - Guest |
| Breakfast with the Arts | 2005 | TV Series | Himself |
| An Interview with Neil Patrick Harris | 2005 | Video documentary short | Himself |
| Celebrity Poker Showdown | 2004 | TV Series | Himself |
| The 58th Annual Tony Awards | 2004 | TV Special | Himself - Performer (uncredited) |
| Last Call with Carson Daly | 2003-2004 | TV Series | Himself - Guest |
| Pyramid | 2003 | TV Series | Himself |
| Death from Above: The Making of 'Starship Troopers' | 2002 | Video documentary short | Himself |
| Playboy: Inside the Playboy Mansion | 2002 | TV Movie documentary | Himself |
| Access Granted | 2001 | TV Series | |
| The Rosie O'Donnell Show | 1997-2000 | TV Series | Himself - Guest |
| The 26th Annual People's Choice Awards | 2000 | TV Special | Himself - Accepting Award for Favourite New Television Comedy Series |
| The Martin Short Show | 1999 | TV Series | Himself - Guest |
| The RuPaul Show | 1997 | TV Series | Himself - Guest |
| Maury | 1996 | TV Series | Himself |
| For Our Children | 1993 | Video | Himself |
| For Our Children: The Concert | 1993 | TV Movie documentary | I'm Not a Doctor, But I Play One on TV, and Believe It or Not, I Have Never Said That |
| Late Night with David Letterman | 1990-1993 | TV Series | Himself / Himself - Guest |
| This Is MST3K | 1992 | TV Short documentary | Himself / Doogie Howser MD |
| Where in the World Is Carmen Sandiego? | 1992 | TV Series | Himself |
| Time Out: The Truth About HIV, AIDS, and You | 1992 | Video short | Himself |
| Hot Country Nights | 1992 | TV Series | Himself |
| The 49th Annual Golden Globe Awards | 1992 | TV Special | Himself - Nominee |
| The Tonight Show Starring Johnny Carson | 1990-1991 | TV Series | Himself - Guest |
| The Best of Disney: 50 Years of Magic | 1991 | TV Movie documentary | Himself |
| The 5th Annual American Comedy Awards | 1991 | TV Special | Himself |
| The 16th Annual People's Choice Awards | 1990 | TV Special | Himself - Winner |
| The Earth Day Special | 1990 | TV Special | Doogie Howser M.D. |
| The TV Academy Annual Tribute: A Salute to Angela Lansbury | 1990 | TV Movie | Himself |
| The 47th Annual Golden Globe Awards | 1990 | TV Special | Himself - Presenter |
| The More You Know | 1989 | TV Series | Himself |
| The 46th Annual Golden Globe Awards | 1989 | TV Special | Himself - Nominee |
| On Your Marc | 2017 | Documentary post-production | Himself |
| Today | 2014-2017 | TV Series | Himself - Guest / Himself |
| The Tonight Show Starring Jimmy Fallon | 2017 | TV Series | Himself |
| Quotidien | 2017 | TV Series | Himself |
| The One Show | 2017 | TV Series | Himself |
| Watch What Happens: Live | 2010-2017 | TV Series | Himself - Guest / Himself |
| The Chew | 2017 | TV Series | Himself |
| Live with Kelly and Ryan | 1990-2017 | TV Series | Himself - Guest Co-Host / Himself - Guest / Himself - Co-Host |
| The Insider | 2014-2017 | TV Series | Himself |
| The Late Late Show with James Corden | 2015-2017 | TV Series | Himself |
| The Talk | 2010-2017 | TV Series | Himself - Guest / Himself |
| The Late Show with Stephen Colbert | 2016 | TV Series | Himself |
| The 10th Annual CNN Heroes: An All-Star Tribute | 2016 | TV Special | Himself - Presenter |
| The View | 2005-2016 | TV Series | Himself - Guest / Himself |
| Jimmy Kimmel Live! | 2008-2016 | TV Series | Himself - Guest / Himself |
| Entertainment Tonight | 2007-2016 | TV Series | Himself |
| 2016 Global Citizen | 2016 | | Himself - Co-Host |
| Late Night with Seth Meyers | 2014-2016 | TV Series | Himself / Himself - Guest |
| The 70th Annual Tony Awards | 2016 | TV Special | Himself - Presenter |
| Beat Bobby Flay | 2016 | TV Series | Himself - Judge / Mentor |
| Finding Your Roots with Henry Louis Gates, Jr. | 2016 | TV Series documentary | Himself |
| Disneyland 60th Anniversary TV Special | 2016 | TV Movie | Himself |
| A Roundabout Road to Broadway | 2016 | TV Movie | Himself |
| The 9th Annual CNN Heroes: An All-Star Tribute | 2015 | TV Movie | Himself - Presenter |
| Best Time Ever with Neil Patrick Harris | 2015 | TV Series | Himself - Host |
| American Horror Story: Freak Show, Twisty: Behind the Mask of Terror | 2015 | Video short | Himself |
| The Meredith Vieira Show | 2014-2015 | TV Series | Himself / Himself - Guest |
| Mat Franco's Got Magic | 2015 | TV Movie | Himself |
| In Their Own Words | 2015 | TV Series | Himself - Actor |
| The Wendy Williams Show | 2015 | TV Series | Himself |
| Extra | 2008-2015 | TV Series | Himself / Himself - Gone Girl |
| Barefoot Contessa | 2015 | TV Series documentary | Himself |
| America's Got Talent | 2015 | TV Series | Himself - Guest Judge |
| The 69th Annual Tony Awards | 2015 | TV Movie | Himself - Presenter |
| Good Morning America | 1989-2015 | TV Series | Himself - Guest |
| Red Nose Day | 2015 | TV Special | Himself |
| Late Show with David Letterman | 1994-2015 | TV Series | Himself - Guest / Himself - Top Ten List Presenter |
| Ant & Dec's Saturday Night Takeaway | 2015 | TV Series | Himself - Guest Announcer |
| E! Live from the Red Carpet | 2014-2015 | TV Series | Himself / Himself - Oscars Host |
| The 87th Annual Academy Awards | 2015 | TV Special | Himself - Host and Performer: Moving Pictures |
| Ellen: The Ellen DeGeneres Show | 2005-2015 | TV Series | Himself - Guest |
| Inside the Actors Studio | 2014-2015 | TV Series | Himself - Guest |
| The 57th Annual Grammy Awards | 2015 | TV Special | Himself |
| International Ghost Investigators | 2015 | TV Series | Himself |
| The Barbara Walters Summer Special | 2014 | TV Series | Himself |
| Conan | 2011-2014 | TV Series | Himself - Guest |
| KRQE News 13 | 2014 | TV Series | Himself |
| Fox and Friends | 2014 | TV Series | Himself - Gone Girl |
| IMDb: What to Watch | 2014 | TV Series documentary | Himself |
| Made in Hollywood | 2011-2014 | TV Series | Himself |
| Special Look | 2014 | TV Series | Himself |
| Rachael Ray | 2007-2014 | TV Series | Himself - Guest |
| The Broadway.com Show | 2013-2014 | TV Series | Himself |
| Inside Edition | 2014 | TV Series documentary | Himself |
| The 68th Annual Tony Awards | 2014 | TV Special | Himself - Winner & Performer |
| RuPaul's Drag Race | 2014 | TV Series | Himself - Guest Judge |
| RuPaul's Drag Race: Untucked! | 2014 | TV Series | Himself - Guest Judge |
| Under the Gunn | 2014 | TV Series | Himself - Guest Judge |
| Billy on the Street with Billy Eichner | 2014 | TV Series | Himself - Guest |
| The 56th Annual Grammy Awards | 2014 | TV Special | Himself - Presenter |
| Disney Parks Christmas Day Parade | 2013 | TV Special | Himself - Host |
| Jeopardy! | 2006-2013 | TV Series | Himself - Contestant / Himself - Video Clue Presenter / Himself - Fake Host / ... |
| Stephen Fry: Out There | 2013 | TV Mini-Series documentary | Himself |
| Primetime Emmys Backstage Live! | 2013 | TV Special | Himself - Host |
| The 65th Primetime Emmy Awards | 2013 | TV Special | Himself - Host |
| 2013 Primetime Creative Arts Emmy Awards | 2013 | TV Special | Himself - Presenter & Winner |
| The Late Late Show with Craig Ferguson | 2005-2013 | TV Series | Himself - Guest |
| Good Day L.A. | 2013 | TV Series | Himself - Guest |
| The Tonight Show with Jay Leno | 1992-2013 | TV Series | Himself - Guest |
| Tanked | 2013 | TV Series | Himself - President, Academy of Magical Arts |
| Picture of Love with Neil Patrick Harris | 2013 | Short | Himself |
| Weekend Ticket | 2013 | TV Series short | Himself |
| The Out List | 2013 | Documentary | Himself |
| The 67th Annual Tony Awards | 2013 | TV Special documentary | Himself - Host |
| Late Night with Jimmy Fallon | 2009-2013 | TV Series | Himself - Guest |
| Nickelodeon Kids' Choice Awards 2013 | 2013 | TV Special | Himself |
| The 55th Annual Grammy Awards | 2013 | TV Special | Himself - Presenter |
| 19th Annual Screen Actors Guild Awards | 2013 | TV Special | Himself - Presenter |
| Iron Chef America: The Series | 2013 | TV Series | Himself - ICA Judge / Actor |
| CBS Cares | 2006-2013 | TV Series | Himself |
| The National Christmas Tree Lighting | 2012 | TV Special | Himself |
| Opening Night | 2012 | TV Movie documentary | Himself |
| From Dust to Dreams: Opening Night at the Smith Center for the Performing Arts | 2012 | TV Special | Himself - Host |
| The 66th Annual Tony Awards | 2012 | TV Special documentary | Himself - Host |
| Punk'd | 2012 | TV Series | Himself |
| The Colbert Report | 2012 | TV Series | Himself - Guest |
| Oprah's Next Chapter | 2012 | TV Series | Himself |
| The 54th Annual Grammy Awards | 2012 | TV Special | Himself |
| The 38th Annual People's Choice Awards | 2012 | TV Special | Himself |
| Test Your Brain | 2011 | TV Series documentary | Himself - Narrator |
| Up Close with Carrie Keagan | 2008-2011 | TV Series | Himself - Guest |
| 1st Look | 2011 | TV Series | Himself - Interviewee |
| Brain Games | 2011 | TV Series documentary | Himself - Narrator |
| Janela Indiscreta | 2011 | TV Series | Himself |
| Hamish & Andy's Gap Year | 2011 | TV Series | Himself |
| The Daily Show | 2000-2011 | TV Series | Himself - Guest |
| So You Think You Can Dance | 2011 | TV Series | Himself - Guest Judge |
| Inconvenient Interviews with Risa | 2011 | Video short | Himself - Interviewee |
| The 1st Annual Critics' Choice Television Awards | 2011 | TV Special | Himself |
| The 65th Annual Tony Awards | 2011 | TV Special | Himself - Host |
| In the Qube 3D | 2011 | TV Series | Himself |
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