2014
YoCrunch!
(Video short)
Neil Patrick Harris
2011-2013
Adventure Time
(TV Series short)
Prince Gumball / Additional Voices
2010
Glee
(TV Series)
Bryan Ryan
2009
Robot Chicken
(TV Series)
Two-Face / Executive / Husband / ...
2005
Numb3rs
(TV Series)
Ethan Burdick
2003
Spider-Man
(TV Series)
Peter Parker / Spider-Man
-
Royal Scam
(2003)
... Peter Parker / Spider-Man (voice)
2001
Ed
(TV Series)
Joe Baxter
2001
Static Shock
(TV Series)
Johnny Morrow / Replay
-
Replay
(2001)
... Johnny Morrow / Replay (voice)
1999
Joan of Arc
(TV Mini-Series)
King Charles VII of France / The Dauphin
-
Part II
(1999)
... King Charles VII of France / The Dauphin
-
Part I
(1999)
... King Charles VII of France / The Dauphin
1992
Roseanne
(TV Series)
Dr. Doogie Howser
1991
Blossom
(TV Series)
The 'Charming' Derek Slade
2015
The Oscars
(TV Special) (performer: "Moving Pictures")
2006-2013
How I Met Your Mother
(TV Series) (performer - 13 episodes)
-
Mom and Dad
(2013)
... (performer: "Reunited Song (Version 1)", "Reunited Song (Version 2)" - uncredited)
-
Coming Back
(2013)
... (performer: "Battle Hymn of the Republic" - uncredited)
-
Tailgate
(2012)
... (performer: "Puzzles the Bar Official Theme Song" - uncredited)
2013
The 67th Annual Tony Awards
(TV Special documentary) (performer: "Bigger!", "I Like to Be on a TV Show/You Gotta Get a Series/Television Sucks/What I Did for Love", "New York State of Mind")
Neil's Puppet Dreams
(TV Series) (performer - 1 episode, 2013) (writer - 1 episode, 2013)
-
Bollywood
(2013)
... (performer: "Bollywood") / (writer: "Bollywood")
2012
The 66th Annual Tony Awards
(TV Special documentary) (performer: "What If Life Were More Like Theatre?", "Best Score Medley", "If I Had Time")
2011
Company
(performer: "Company", "Someone is Waiting", "Marry Me a Little", "Side By Side By Side", "What Would We Do Without You?", "Barcelona", "Being Alive", "Finale and Bows")
2011
The 65th Annual Tony Awards
(TV Special) (performer: "It's Not Just for Gays Anymore", "Any Show You Can Host", "Side By Side", "Closing Number")
2010
Glee
(TV Series) (performer - 1 episode)
-
Dream On
(2010)
... (performer: "Dream On", "Daydream Believer", "Piano Man" - uncredited)
2008
Dr. Horrible's Sing-Along Blog
(TV Mini-Series short) (performer - 3 episodes)
-
Act III
(2008)
... (performer: "So They Say", "Slipping", "Everything You Ever")
-
Act II
(2008)
... (performer: "My Eyes", "Brand New Day")
-
Act I
(2008)
... (performer: "My Freeze Ray", "A Man's Gotta Do")
2019/I
Wig
(Documentary) (producer)
2014-2020
Today
(TV Series)
Self - Guest / Self
2019/II
Dads
(Documentary)
Self
2019
WE Day
(TV Movie)
Self - Host
2005-2019
The View
(TV Series)
Self - Guest / Self
2019/I
Wig
(Documentary)
Self
2019
My Houzz
(TV Series short)
Self - Actor
2010-2018
The Talk
(TV Series)
Self - Guest
2017-2018
Build
(TV Series)
Self
2015
The Oscars
(TV Special)
Self - Host & Performer
2011-2014
Conan
(TV Series)
Self - Guest
2006-2013
Jeopardy!
(TV Series)
Self - Contestant / Self - Video Clue Presenter / Self - Fake Host / ...
2013
Tanked
(TV Series)
Self - President, Academy of Magical Arts
2011
1st Look
(TV Series)
Self - Interviewee
2011
Brain Games
(TV Series documentary)
Self - Narrator
2009-2010
American Idol
(TV Series)
Self - Judge / Self - Audience Member
2006-2008
MADtv
(TV Series)
Self - Special Guest / Self
2007
The States
(TV Series documentary)
Self (New Mexico)
2003
Pyramid
(TV Series)
Self - Celebrity Contestant
1991-1996
Maury
(TV Series)
Self - Guest
1992
This Is MST3K
(TV Movie documentary)
Self / Doogie Howser MD
1991
Nova
(TV Series documentary)
Self - Host