Acting
- 2005Jack's Big Music ShowHenry (voice)1 ep.
- 2004Blue's Room17 ep.
- 2000Sheep in the Big CityGeneral Lee Outrageous27 ep.
- 1996The Wubbulous World of Dr. Seuss2 ep.
- 1996Big BagChelli / Lyle39 ep.
- 1996Aliens in the FamilySpit (voice)8 ep.
- 1992Dog CityArtie (voice)31 ep.
- 1969Sesame StreetStinky3279 ep.
Behind the camera
- 2018KiddingWriter2 ep.
- 2017Julie's GreenroomCo-Producer, Director, Writer13 ep.
- 2002CyberchaseWriter2 ep.
- 2001StanleyWriter3 ep.
- 2000Sheep in the Big CityWriter27 ep.
- 1997Bear in the Big Blue HouseWriter1 ep.
- 1969Sesame StreetWriter3279 ep.
Guest appearances
- 2018Life in PiecesMr. Lobster (voice)1 ep.
- 2016Unbreakable Kimmy SchmidtPupazza (voice)1 ep.
- 200930 RockPuppeteer1 ep.
- 2005Jack's Big Music ShowHenry (voice)1 ep.
- 2004The West WingMuppet Doctor (voice)1 ep.
- 1996The Wubbulous World of Dr. Seuss2 ep.
Also known as: Joseph Mazzarino