| TBA |
Super Mario Galaxy TV |
Creator |
| 2019 |
Sesame Street: 50 Years and Counting Film |
Writer |
| 2016 |
The Land Before Time XIV: Journey of the Brave Film |
Characters |
| 2012 |
Sesame Street: Elmo's Magic Numbers Film |
Original Music Composer |
| 2011 |
Sesame Street: Wild Words and Outdoor Adventures Film |
Original Music Composer |
| 2009 |
Sesame Street: Elmo's World: All About Faces Film |
Writer |
| 2009 |
Sesame Street: Elmo and the Bookaneers: Pirates Who Love to Read! Film |
Original Music Composer |
| 2007 |
The Land Before Time XIII: The Wisdom of Friends Film |
Characters |
| 2007 |
The Land Before Time TV |
Creator |
| 2006 |
A Sesame Street Christmas Carol Film |
Writer |
| 2006 |
The Land Before Time XII: The Great Day of the Flyers Film |
Characters |
| 2005 |
The Land Before Time XI: Invasion of the Tinysauruses Film |
Characters |
| 2004 |
Sesame Street: A Celebration of Me, Grover Film |
Writer |
| 2004 |
Sesame Street: Elmo's World: Families, Mail & Bath Time! Film |
Writer |
| 2004 |
Sesame Street: Elmo's World: The Street We Live On! Film |
Writer |
| 2004 |
Sesame Street: What's the Name of That Song? Film |
Original Music Composer |
| 2003 |
The Land Before Time X: The Great Longneck Migration Film |
Characters |
| 2003 |
Sesame Street: Elmo's World: The Great Outdoors! Film |
Writer |
| 2003 |
Sesame Street: Elmo's World: Head to Toe with Elmo! Film |
Writer |
| 2002 |
The Land Before Time IX: Journey to Big Water Film |
Characters |
| 2002 |
Elmo's World: Family Feature Film |
Writer |
| 2001 |
The Land Before Time VIII: The Big Freeze Film |
Characters |
| 2000 |
The Land Before Time VII: The Stone of Cold Fire Film |
Characters |
| 1999 |
CinderElmo Film |
Writer |
| 1998 |
The Land Before Time VI: The Secret of Saurus Rock Film |
Characters |
| 1998 |
The Best of Kermit on Sesame Street Film |
Writer |
| 1997 |
The Land Before Time V: The Mysterious Island Film |
Producer, Characters |
| 1997 |
Sesame Street: Elmo Says BOO! Film |
Songs |
| 1997 |
Sesame Street: Quiet Time Film |
Writer, Songs |
| 1997 |
Sesame Street: Sing Yourself Sillier at the Movies Film |
Writer |
| 1996 |
Sesame Street: Elmo Saves Christmas Film |
Writer |
| 1996 |
The Land Before Time IV: Journey Through the Mists Film |
Characters |
| 1996 |
Sesame Street: Do the Alphabet Film |
Music |
| 1995 |
The Land Before Time III: The Time of the Great Giving Film |
Characters |
| 1994 |
The Land Before Time II: The Great Valley Adventure Film |
Characters |
| 1992 |
Getting Ready to Read Film |
Lyricist, Songs, Writer |
| 1991 |
The Tale of Peter Rabbit Film |
Writer |
| 1990 |
Sesame Street Home Video Visits the Hospital Film |
Writer |
| 1990 |
Sesame Street Home Video Visits the Firehouse Film |
Writer |
| 1990 |
Sing! Sesame Street Remembers Joe Raposo and His Music Film |
Writer, Producer |
| 1990 |
Sesame Street: Sing Yourself Silly! Film |
Writer |
| 1990 |
Sesame Street: Rock & Roll! Film |
Writer |
| 1990 |
Sesame Street: Dance Along! Film |
Writer |
| 1989 |
Sesame Street: 20 Years & Still Counting! 1969-1989 Film |
Writer |
| 1988 |
The Land Before Time Film |
Story |
| 1988 |
Sesame Street: Put Down the Duckie Film |
Writer |
| 1988 |
Big Bird in Japan Film |
Original Music Composer |
| 1986 |
An American Tail Film |
Producer, Screenplay, Story |
| 1985 |
Follow That Bird Film |
Writer |
| 1983 |
Don't Eat the Pictures: Sesame Street at the Metropolitan Museum of Art Film |
Writer, Producer, Music |
| 1976 |
Ball Four TV |
Writer (1 ep) |
| 1975 |
When Things Were Rotten TV |
Writer (1 ep) |
| 1969 |
Sesame Street TV |
Writer (3 ep) |