Available on Prime Video

Its surface is only part of Earth's story, as this show illustrates by delving beneath the visible to uncover Earth's hidden power, bounty and beauty.

Documentary · 1974 · 53 min
Starring Craig Sechler

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About

NOVA

Documentary

Its surface is only part of Earth's story, as this show illustrates by delving beneath the visible to uncover Earth's hidden power, bounty and beauty.

Information

Studio
PBS
Released
1974
Rated
14+
Region of Origin
United States
© 2025 WGBH Educational Foundation

Languages

Original Audio
English, English (Australia), English (United Kingdom)
Audio and Subtitles
English (United States) (AD, AAC, CC)

Accessibility

Closed captions (CC) refer to subtitles in the available language with the addition of relevant non-dialogue information.
Audio descriptions (AD) refer to a narration track describing what is happening on screen, to provide context for those who are blind or have low vision.

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