2000Search for the Submarine I-52ФильмWriter
1999Pursuit of the Giant BluefinФильмExecutive Producer
1998National Geographic's Storm of the CenturyФильмExecutive Producer
1998The Dragons of GalapagosФильмв роли Narrator (voice)
1997The Sonoran Desert: A Violent EdenФильмExecutive Producer
1997Volcano: Nature's InfernoФильмExecutive Producer
1996Puma: Lion of the AndesФильмExecutive Producer
1996Okavango: Africa's Wild OasisФильмExecutive Producer
1996Inside the White HouseФильмExecutive Producer
1995The New ChimpanzeesФильмExecutive Producer
199530 Years of National Geographic SpecialsФильмExecutive Producer
1995National Geographic - Arctic Kingdom: Life at the EdgeФильмExecutive Producer
1994Jewels of the Caribbean SeaФильмWriter · Executive Producer
1993National Geographic: Lost Kingdoms of the MayaФильмExecutive Producer
1986Secrets of the TitanicФильмWriter
1986Realm of the AlligatorФильмWriter
1983Живой мирСериалWriter · эпизодов: 1
1979Etosha: Place of Dry WaterФильмWriter
1974Birds Do It, Bees Do ItФильмDirector · Writer