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Search for the Submarine I-52 (2000)
Writer
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Dolphins: The Wild Side (1999)
Executive Producer
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National Geographic's Storm of the Century (1998)
Executive Producer
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The Sonoran Desert: A Violent Eden (1997)
Executive Producer
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Volcano: Nature's Inferno (1997)
Executive Producer
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Puma: Lion of the Andes (1996)
Executive Producer
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Okavango: Africa's Wild Oasis (1996)
Executive Producer
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Inside the White House (1996)
Executive Producer
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30 Years of National Geographic Specials (1995)
Executive Producer
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National Geographic - Arctic Kingdom: Life at the Edge (1995)
Executive Producer
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Jewels of the Caribbean Sea (1994)
Executive Producer
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Jewels of the Caribbean Sea (1994)
Writer
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National Geographic: Lost Kingdoms of the Maya (1993)
Executive Producer
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Torn Between Two Fathers (1989)
Writer
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Secrets of the Titanic (1986)
Writer
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Realm of the Alligator (1986)
Writer
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Etosha: Place of Dry Water (1980)
Writer
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Birds Do It, Bees Do It (1974)
Director
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Birds Do It, Bees Do It (1974)
Writer
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Hollywood: The Dream Factory (1972)
Executive Producer
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Dear Mr. Gable (1968)
Producer
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Dear Mr. Gable (1968)
Writer
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The Really Big Family (1966)
Dialogue
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Voyage of the Brigantine Yankee ()
Writer
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