

Overview
Following his visit to the Great Barrier Reef in 1957, naturalist and broadcaster David Attenborough returns and uses the latest filming techniques to unlock the secrets of the natural wonder.
Cast
1Open an episode for ages at its air date.
- TMDB ID
- 64839 ↗
- First aired
- 2015-12-30
- Last aired
- 2016-01-13
- Status
- Ended
- Episode runtime
- 60 min
- Genres
- Documentary
- Creators
- Unknown
- Countries
- GB
- Languages
- Italian, English
Family guidance
Age ratings
—Not rated in Switzerland (CH)
—Not rated in Spain (ES)
—Not rated in France (FR)
TV-GUnited States of America (US)
Most parents would find this program suitable for all ages.
—Not rated in United Kingdom (GB)
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All regional certifications (6)
TV-GUnited States of America (US)
Most parents would find this program suitable for all ages.
GAustralia (AU)
For general exhibition; all ages are permitted to watch programming with this rating.
0Germany (DE)
Can be aired at any time.
TItaly (IT)
All ages admitted.
NRPortugal (PT)
No rating information.
Genel İzleyiciTurkey (TR)
General audience. Suitable for all ages.

