Production
Africa: The Serengeti
1994 · Director
Alaska: Spirit of the Wild
1998 · Director
Great Barrier Reef
1981 · Writer
Search for the Great Sharks
1992 · Co-Producer
The Eruption of Mount St. Helens!
1980 · Director
Amazing Journeys
1999 · Director
Ring of Fire
1991 · Director
Forces of Nature
2004 · Director
Seasons
1987 · Executive Producer
Probes in Space
1975 · Director
Planet Ocean
1974 · Director
Genesis: Four Billion Years in the Making
1978 · Director
