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第 季第 3 集1 - Episode 1
2011年8月26日28 分鐘Jonathan travels to the Bahamas to explore a deep blue hole, then visits the Georgia Aquarium to see how they keep Whale sharks in a giant tank.可供購買第 季第 3 集2 - Episode 2
2011年9月2日28 分鐘Jonathan investigates a huge grouper making a comeback in Florida, the Great Barrier Reef, and camouflage in sea creatures.可供購買第 季第 3 集3 - Episode 3
2011年9月9日27 分鐘Jonathan follows the rescue of a stranded pilot whale and investigates cleaning stations on the reef where fish get cleaned by other fish.可供購買第 季第 3 集4 - Episode 4
2011年9月16日28 分鐘Jonathan visits the Galapagos to play with friendly sea lions, and then travels to the Caribbean to film Humpback whales.可供購買第 季第 3 集5 - Episode 5
2011年7月22日28 分鐘Jonathan takes a fan scuba diving and then visits an island in the Caribbean to meet a dolphin named Annie.可供購買第 季第 3 集6 - Episode 6
2011年9月30日28 分鐘Jonathan travels to Australia to learn about highly venomous sea snakes, investigates symbiosis in the sea, and learns how coral reefs spawn.可供購買第 季第 3 集7 - Episode 7
2011年10月7日27 分鐘Jonathan explores a spooky sinkhole in Mexico, investigates the world of shark biology and illustrates the way animals defend themselves in the ocean.可供購買第 季第 3 集8 - Episode 8
2011年10月14日28 分鐘Jonathan searches for an elusive blind cavefish in Mexico, investigates the biology of coral reefs, and explores the world of bottom-dwelling sharks.可供購買第 季第 3 集9 - Episode 9
2011年10月21日27 分鐘Jonathan films one of the world's fastest fish, visits Australia to investigate a huge fish on the Great Barrier Reef and travels to Maine to meet Diver Ed, an underwater wildlife expert.可供購買