The Undersea World of Jacques Cousteau
S01E20
S01E2050 min· aired 2/25/1972

A sound of dolphins

TMDb0.0
Nexus es804488TMDb ep 891385TVDb ep 2733311

Overview

The crew isolates a pair of dolphins to study the species' remarkable sonar system.

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S01E19
Octopus, Octopus
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A smile of the walrus