August 22, 2001
Diving to find sharks.
August 10, 2001
A segment on shark repellents.
August 8, 2001
An examination of marine firefighting.
August 6, 2001
A segment on water polo.
May 29, 2000
Observing leopard sharks in waters off Santa Cruz. Also: the crown-of-thorns starfish and the devastation it has wrought on Australia's Great Barrier Reef.
May 17, 2000
Examining the social dynamics of dolphins and their effects on eco-tourism. Also: a trip to a wet-suit factory; an trip on a rescue sub.
May 16, 2000
Segments include examining the toxic excretions of a species of sole; pre-SCUBA diving equipment; attempting to swim from Alcatraz to shore.
May 8, 2000
Segments include river surfing in New Zealand's Kawaru river; observing how cuttlefish can change color instantly. Also: examining the deadly box jellyfish.
May 2, 2000
Segments include diving in Dahab, Egypt; observing manatees in Belize; swimming with sea turtles in Hawaii.
March 20, 2000
Segments include diving in French Polynesia to observe lemon sharks, and examining pygmy sea horses in waters off Indonesia. Also: photographing a downed plane off Oahu.
March 1, 2000
Segments include training with the LAPD dive unit; a river tour in Belize to observe wildlife; a trip to Hawaii to visit a rare-fish collector.
February 28, 2000
Segments include trips to Florida to observe motorless submarines; South Africa to examine shark conservation programs. Also: pink river dolphins in Venezuela.
February 23, 2000
Segments include trips to Australia to swim with grey nurse sharks; and Brazil, to swim with spinner dolphins. Also: white water rafting in British Columbia.
February 21, 2000
Segments include a trip to the Red Sea, where researchers investigate reef damage from tourists. Also: studying rays in the Galapagos Islands.
February 14, 2000
Trips to New Zealand to observe the Fox glacier; Australia to meet conservationists protecting humpback whales; and French Polynesia, where sharks are studied.
February 9, 2000
Segments include diving a shipwreck in Australia; an underwater cave system in Florida; a sea turtle rehabilitation center.
February 8, 2000
Segments include a trip to Indonesia to observe coral reefs, the Handicapped Scuba Association in Boca Raton, Fla., and a marine reserve in New Zealand.
February 7, 2000
Segments include a trip to the Florida Everglades to observe developers and conservationists. Also: diving WWII wrecks in Micronesia.
January 28, 2000
Segments include a trip to Hawaii for outrigger canoeing, and to the Galapagos Islands for drift diving. Also: studying barracudas in waters off New Guinea.
January 26, 2000
Segments include studying sharks in waters off the Galapagos Islands, a trained damselfish doing tricks, penguins in South Africa and diving a wreck in Australia.
January 25, 2000
Segments include tagging great white sharks in waters off South Africa; surveying damage from El Niño on the Galapagos Islands; observing Venezuelan sea bird migrations; studying dolphins in polluted Australian waters.
January 23, 2000
Segments include a trip to Australia to board a research ship. Also: pup fish are studied in Death Valley National Park.
January 17, 2000
Observing how fur seals have rebounded from near-extinction. Also: mangrove forests of the Florida Keys; the rain forest of Monte Verde.
January 7, 2000
Included: a sea-otter tagging program. Also: artificial reefs, underwater hockey.
November 2, 1999
Included: ancient stone currency; moray eels in Costa Rica; whale watching in New Zealand.
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