Planet Earth - Season 1 Episode 4
Although often overlooked, caves are remarkable habitats with bizarre wildlife. Explore the structures created inside the earth as well as the adaptations animals have made to thrive in these environments.
First Air Date : 2006-03-05
Last Air date : 2006-12-10
Runtime : 57 minutes
Genre : Documentary
Cast : David Attenborough
Crew : Hans Zimmer (Executive Music Producer), Tom Hugh-Jones (Executive Producer), Michael Gunton (Executive Producer), Alastair Fothergill (Executive Producer), George Fenton (Music), Alastair Fothergill (Producer)
Quality : 
Subtitles :
- Season 1 : Episode 12006-03-05
- Season 1 : Episode 22006-03-12
- Season 1 : Episode 32006-03-19
- Season 1 : Episode 42006-03-26
- Season 1 : Episode 52006-04-02
- Season 1 : Episode 62006-11-05
- Season 1 : Episode 72006-11-12
- Season 1 : Episode 82006-11-19
- Season 1 : Episode 92006-11-26
- Season 1 : Episode 102006-12-03
- Season 1 : Episode 112006-12-10
