Poster of Cast and Crew in The Undersea World Of Jacques Cousteau - Season 1 - Episode 22 - 500 million years beneath the sea

The Undersea World Of Jacques Cousteau - Season 1 - 500 million years beneath the sea (Episode 22)

Plot: The crew dives at night to observe the Nautilus -- a living marine fossil.
Episode Aired On:
Thursday, January 11 1973
52 years ago