The Undersea World of Jacques Cousteau

The Forgotten Mermaids (1x18)

Air date: Dec 21, 1971

The crew travels to the cypress glades of East Florida to film the manatee, a vegetarian creature of the sea whose closest living relative is the elephant. Learning of the plight of 'Sewer Sam', a manatee trapped in the sewers of Miami, the team attempts to help return Sam to the river.