The Office

2005 · Director

Glee

2009 · Director

Marvel's Agents of S.H.I.E.L.D.

2013 · Director, Writer

Buffy the Vampire Slayer

1997 · Director, Writer, Acting

Robot Chicken

2005 · Acting

Angel

1999 · Director, Writer, Acting

The Avengers

2012 · Director, Writer

Veronica Mars

2004 · Acting

Avengers: Age of Ultron

2015 · Director, Writer

Toy Story

1995 · Writer

Firefly

2002 · Director, Writer

Best Week Ever

2004 · Acting

Dollhouse

2009 · Director, Writer

Captain America: The Winter Soldier

2014 · Acting

Justice League

2017 · Writer

Marvel Studios Assembled

2021 · Acting

Speed

1994 · Writer

The Nevers

2021 · Director, Writer

Another Period

2015 · Acting

Rove

1999 · Acting

Con Man

2015 · Acting

The Cabin in the Woods

2012 · Writer

Roseanne

1988 · Writer

Alien Resurrection

1997 · Writer

Serenity

2005 · Director, Writer

Atlantis: The Lost Empire

2001 · Writer

Titan A.E.

2000 · Writer

Buffy the Vampire Slayer: Season 8 Motion Comic

2010 · Writer

Parenthood

1990 · Writer

Buffy the Vampire Slayer

1992 · Writer

Dr. Horrible's Sing-Along Blog

2008 · Director, Writer

Sock or Hat?

2014 · Acting

Much Ado About Nothing

2013 · Director, Writer

Marvel Studios: Assembling a Universe

2014 · Acting

TV Revolution

2004 · Acting

In Your Eyes

2014 · Writer

Buffy the Animated Series

2008 · Director, Writer

Marvel: 75 Years, from Pulp to Pop!

2014 · Acting

A Brother's Journey: Thor & Loki

2014 · Acting

Toy Story at 20: To Infinity and Beyond

2015 · Acting

Star Wars: The Legacy Revealed

2007 · Acting

Comic-Con Episode IV: A Fan's Hope

2011 · Writer, Acting

The Alien Saga

2002 · Acting

Astonishing X-Men: Dangerous

2012 · Writer

Showrunners: The Art of Running a TV Show

2014 · Acting

The Making of Dr. Horrible's Sing-Along Blog

2007 · Acting

A Place Among the Dead

2020 · Acting

Here's How It Was: The Making of 'Firefly'

2017 · Acting

Warren Ellis: Captured Ghosts

2011 · Acting

Browncoats Unite: Firefly 10th Anniversary Special

2012 · Acting

Astonishing X-Men: Torn

2012 · Writer

Astonishing X-Men: Unstoppable

2013 · Writer

Done the Impossible

2006 · Acting

Astonishing X-Men: Gifted

2010 · Writer

The Avengers: A Visual Journey

2012 · Acting

This American Life - Return to the Scene of the Crime

2009 · Acting

Commentary! The Musical

2008 · Director, Writer

Marvel Studios: The First 10 Years - More Than a Hero

2018 · Acting

We Are Not Who We Are - Making The Cabin in the Woods

Acting

UNLOCKED

2017 · Director, Writer