Spy creatures reveal an ocean full of startling ways of thinking, including large-brained whales, smart octopi, diving monkeys, creative fish and other intelligent animals.

Spy creatures explore animal emotions and the deep feelings we share. With surfing dolphins, kissing manatees and sensitive cuttlefish, witness the emotional rollercoaster of life in the sea.

Spy creatures uncover surprising undersea relationships as sharks befriend fish, whales play with dolphins, and lobsters do the conga in seas where even spider crabs have friends.

Spy creatures showcase the challenges of ocean life. From a baby whale in danger and marine iguanas battling storms, to a mantis shrimp's knockout punch, the spies are never far from trouble.