| The Nevers | | writer |
| Agents of S.H.I.E.L.D. | | writer |
| Buffy the Vampire Slayer | 2019 | writer |
| Justice League | 2017 | writer |
| Lurk | 2017 | writer |
| Avengers: Age of Ultron | 2015 | writer |
| Aaf | 2014 | writer |
| In Your Eyes | 2014 | writer |
| Much Ado About Nothing | 2012/I | writer |
| Buffy the Vampire Slayer XXX: A Parody | 2012 | writer |
| The Avengers | 2012 | writer |
| The Cabin in the Woods | 2011 | writer |
| Comic-Con Episode IV: A Fan's Hope | 2011 | writer |
| Buffy the Vampire Slayer: Season 8 Motion Comic | 2011 | writer |
| Dollhouse | | writer |
| Astonishing X-Men | 2009 | writer |
| This American Life Live! | 2009 | writer |
| Dollplay | 2009 | writer |
| Commentary! The Musical | 2008 | writer |
| Dr. Horrible's Sing-Along Blog | | writer |
| Forgotten Memories | 2007 | writer |
| Serenity | 2005 | writer |
| Buffy the Vampire Slayer: The Animated Series | 2004 | writer |
| Angel | | writer |
| Firefly | | writer |
| Buffy the Vampire Slayer | | writer |
| Buffy the Vampire Slayer: Wrath of the Darkhul King | 2003 | writer |
| Atlantis: The Lost Empire | 2001 | writer |
| Titan A.E. | 2000 | writer |
| Buffy the Vampire Layer | 1997 | writer |
| Alien Resurrection | 1997 | writer |
| Toy Story | 1995 | writer |
| Muffy the Vampire Layer | 1992 | writer |
| Buffy the Vampire Slayer | 1992 | writer |
| Parenthood | 1990-1991 | writer |
| Roseanne | 1989-1990 | writer |
| The Nevers | 2020 | producer |
| Buffy the Vampire Slayer | 2019 | producer |
| Agents of S.H.I.E.L.D. | 2013-2019 | producer |
| Agents of S.H.I.E.L.D.: Slingshot | 2016 | producer |
| The Letter Carrier | 2016 | producer |
| The Deal | 2016/IV | producer |
| In Your Eyes | 2014 | producer |
| Much Ado About Nothing | 2012/I | producer |
| The Cabin in the Woods | 2011 | producer |
| Comic-Con Episode IV: A Fan's Hope | 2011 | producer |
| Dollhouse | 2009-2010 | producer |
| The Making of Dr. Horrible's Sing-Along Blog | 2008 | producer |
| Dr. Horrible's Sing-Along Blog | | producer |
| Buffy the Vampire Slayer: The Animated Series | 2004 | producer |
| Angel | 1999-2004 | producer |
| Firefly | 2002-2003 | producer |
| Buffy the Vampire Slayer | 1997-2003 | producer |
| Parenthood | 1990 | producer |
| The Nevers | 2020 | director |
| Avengers: Age of Ultron | 2015 | director |
| Agents of S.H.I.E.L.D. | 2013 | director |
| Much Ado About Nothing | 2012/I | director |
| The Avengers | 2012 | director |
| Glee | 2010 | director |
| Dollhouse | 2009 | director |
| Commentary! The Musical | 2008 | director |
| Dr. Horrible's Sing-Along Blog | 2008 | director |
| The Office | 2007 | director |
| Serenity | 2005 | director |
| Angel | 1999-2004 | director |
| Buffy the Vampire Slayer | 1997-2003 | director |
| Firefly | 2002 | director |
| In Your Eyes | 2014 | soundtrack |
| Much Ado About Nothing | 2012/I | soundtrack |
| Commentary! The Musical | 2008 | soundtrack |
| Dr. Horrible's Sing-Along Blog | | soundtrack |
| Done the Impossible: The Fans' Tale of 'Firefly' and 'Serenity' | 2006 | soundtrack |
| Firefly | 2002-2003 | soundtrack |
| Buffy the Vampire Slayer | 2000-2002 | soundtrack |
| Chance | 2002 | soundtrack |
| The Lion King II: Simba's Pride | 1998 | soundtrack |
| Captain America: The First Avenger | 2011 | miscellaneous |
| Buffy the Vampire Slayer: The Quest for Oz | 2004 | miscellaneous |
| Angel & the Apocalypse | 2004 | miscellaneous |
| Fatal Beauty and the Beast | 2004 | miscellaneous |
| Malice in Wonderland: Wolfram & Hart | 2004 | miscellaneous |
| 'Angel': Season 4 Overview | 2004 | miscellaneous |
| 'Angel': Season 2 Overview | 2003 | miscellaneous |
| Buffy the Vampire Slayer: Chaos Bleeds | 2003 | miscellaneous |
| Buffy the Vampire Slayer: Wrath of the Darkhul King | 2003 | miscellaneous |
| Buffy the Vampire Slayer | 2002 | miscellaneous |
| Buffy the Vampire Slayer | 2000 | miscellaneous |
| X-Men | 2000 | miscellaneous |
| Buffy the Vampire Slayer | 1998 | miscellaneous |
| Twister | 1996/I | miscellaneous |
| Waterworld | 1995 | miscellaneous |
| The Quick and the Dead | 1995 | miscellaneous |
| Speed | 1994 | miscellaneous |
| The Getaway | 1994 | miscellaneous |
| Roseanne | 1989-1990 | miscellaneous |
| Another Period | 2016 | actor |
| Girlfriends' Guide to Divorce | 2015 | actor |
| Con Man | 2015 | actor |
| CollegeHumor Originals | 2013 | actor |
| Husbands | 2012 | actor |
| Written by a Kid | 2012 | actor |
| The Coach | 2012 | actor |
| Robot Chicken | 2008 | actor |
| Veronica Mars | 2005 | actor |
| Serenity | 2005 | actor |
| Firefly | 2003 | actor |
| Angel | 2001 | actor |
| Buffy the Vampire Slayer | 1997 | actor |
| Justice League | 2017 | assistant_director |
| Captain America: The Winter Soldier | 2014 | assistant_director |
| The Cabin in the Woods | 2011 | assistant_director |
| Thor | 2011 | assistant_director |
| Dr. Horrible's Sing-Along Blog | 2008 | music_department |
| Firefly | 2002 | music_department |
| Buffy the Vampire Slayer | | music_department |
| Much Ado About Nothing | 2012/I | composer |
| Much Ado About Nothing | 2012/I | editor |
| Avengers Assemble | 2013-2017 | thanks |
| To the Bone | 2017/I | thanks |
| Breakfast | 2016/III | thanks |
| COMIX: Beyond the Comic Book Pages | 2016 | thanks |
| The Verse | 2014 | thanks |
| Marvel Studios: Assembling a Universe | 2014 | thanks |
| Lust for Love | 2014 | thanks |
| Iron Man Three | 2013 | thanks |
| Atomism | 2011 | thanks |
| Hide. | 2011 | thanks |
| Superhero | 2011/I | thanks |
| Trap | 2010 | thanks |
| Making Dollhouse | 2009 | thanks |
| Marvin Milktoast | 2008 | thanks |
| The Making of Dr. Horrible's Sing-Along Blog | 2008 | thanks |
| Star Wars: The Legacy Revealed | 2007 | thanks |
| Chance | 2002 | thanks |
| Marvel Studios: The First 10 Years - More Than a Hero | 2018 | self |
| EW Reunites | 2017 | self |
| The Undead Series | 2016 | self |
| Rogue One: A Star Wars Story - World Premiere | 2016 | self |
| AM Joy | 2016 | self |
| Toy Story at 20: To Infinity and Beyond | 2015 | self |
| Avengers: Age of Ultron - Bookending the Action | 2015 | self |
| From Here to Infinity: Phases 2 & 3 of the M.C.U. | 2015 | self |
| Avengers: Age of Ultron - From the Inside Out: Making of Avengers - Age of Ultron | 2015 | self |
| Avengers: Age of Ultron - Global Adventure | 2015 | self |
| Avengers: Age of Ultron - The Infinite Six | 2015 | self |
| Made in Hollywood | 2015 | self |
| CollegeHumor Originals | 2015 | self |
| Weekend Ticket | 2013-2015 | self |
| Showrunners: The Art of Running a TV Show | 2014 | self |
| Marvel Studios: Assembling a Universe | 2014 | self |
| A Brothers' Journey: Thor & Loki | 2014 | self |
| Clique | 2014 | self |
| Superheroes: From Page to Screen | 2013 | self |
| Tavis Smiley | 2013 | self |
| Nerd HQ | 2012-2013 | self |
| The Colbert Report | 2013 | self |
| Charlie Rose | 2013 | self |
| Late Night with Jimmy Fallon | 2009-2013 | self |
| 2013 MTV Movie Awards | 2013 | self |
| Robot Chicken | 2007-2013 | self |
| The Avengers: Assembling the Ultimate Team | 2012 | self |
| The Avengers: A Visual Journey | 2012 | self |
| The Cabin In The Woods: An Army of Nightmares - Makeup & Animatronic Effects | 2012 | self |
| Troldspejlet | 2012 | self |
| CBS News Sunday Morning | 2012 | self |
| YourGeekNews.com | 2012 | self |
| Warren Ellis: Captured Ghosts | 2011 | self |
| Road to 'The Avengers' | 2011 | self |
| Comic-Con Episode IV: A Fan's Hope | 2011 | self |
| Bandwagon: The Series | 2010 | self |
| This American Life Live! | 2009 | self |
| The 1st Annual Streamy Awards | 2009 | self |
| Commentary! The Musical | 2008 | self |
| The Making of Dr. Horrible's Sing-Along Blog | 2008 | self |
| The Write Environment | 2008 | self |
| Battlestar Galactica: The Phenomenon | 2008 | self |
| 2007 Primetime Creative Arts Emmy Awards | 2007 | self |
| Star Wars: The Legacy Revealed | 2007 | self |
| Done the Impossible: The Fans' Tale of 'Firefly' and 'Serenity' | 2006 | self |
| 06 Spaceys | 2006 | self |
| HypaSpace | 2006 | self |
| A Filmmaker's Journey | 2006 | self |
| Joss Whedon Q&A Session from Fox Studios | 2006 | self |
| Take a Walk on 'Serenity' | 2006 | self |
| Joss Whedon: The Master at Play | 2006 | self |
| Film '72 | 2005 | self |
| Future History: The Story of Earth That Was | 2005 | self |
| Re-Lighting the Firefly | 2005 | self |
| What's in a Firefly | 2005 | self |
| El Magacine | 2005 | self |
| Sci Fi Inside: 'Serenity' | 2005 | self |
| Rove Live | 2005 | self |
| Shootout | 2005 | self |
| 'Angel': The Final Season | 2005 | self |
| Halos & Horns: Recurring Villainy | 2005 | self |
| 'Buffy': Season 7 Overview | 2004 | self |
| Fatal Beauty and the Beast | 2004 | self |
| Last Looks: The Hyperion Hotel | 2004 | self |
| Malice in Wonderland: Wolfram & Hart | 2004 | self |
| 'Angel': Season 4 Overview | 2004 | self |
| 'Buffy': Season 6 Overview | 2004 | self |
| Bandwagon | 2004 | self |
| 'Buffy': Season 5 Overview | 2003 | self |
| Here's How It Was: The Making of 'Firefly' | 2003 | self |
| Serenity: The 10th Character | 2003 | self |
| One Step Beyond: The Making of 'Alien: Resurrection' | 2003 | self |
| The 100 Greatest Scary Moments | 2003 | self |
| Buffy the Vampire Slayer: Chaos Bleeds | 2003 | self |
| 'Buffy': Season 4 Overview | 2003 | self |
| Biography | 2003 | self |
| 'Buffy': Season 3 Overview | 2003 | self |
| The 'Alien' Saga | 2002 | self |
| 'Buffy': Season 2 Overview | 2002 | self |
| The Anti Gravity Room | 1995 | self |
| Troldspejlet | 2012 | archive_footage |
| Made in Hollywood | 2012 | archive_footage |