- Sesame Street (1969–nutid; skapare, exekutiv producent)
- The Electric Company (1971–1977; skapare, exekutiv producent)
- Square One TV (1987–1994; medskapare, exekutiv producent)
- Ghostwriter (1992–1995; exekutiv producent)
- Between the Lions (2000–2010; exekutiv producent)
Filmprojekt:
- Follow That Bird (1985; exekutiv producent)
- Sesame Street Presents:Follow That Bird (1985; exekutiv producent)
- The Adventures of Elmo in Grouchland (1999; exekutiv producent)