Where can I watch “Planet Earth” Season 1 Episode 4 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

Do I need to watch earlier episodes before “Caves”?

Watching earlier episodes in season 1 helps you follow the plot and character arcs leading into this episode.

Watch Planet Earth Season 1 Episode 4 Online

“Caves” — Watch "Planet Earth" Season 1 Episode 4 online in HD for free. Check streaming providers, cast, and episode details.

Mar 26, 2006 Season 1 Episode 4 50 min TV-PG

8.3 ★ ★ ★ ★ ★

34 votes

Planet Earth Season 1

← Back TV Series

Where can I watch "Caves" online?

You can watch it through the button below, and it is free.

▶ Watch This Episode Now

Season 1 Episode 4 — Aired on Mar 26, 2006 • runs about 50 minutes.

Directed by Alastair Fothergill.

Written by David Attenborough.

Notable cast/guest names in this episode include David Attenborough.

This page includes 3 official still(s) (when available) plus legal availability links.

Looking for “watch Planet Earth Season 1 Episode 4 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

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.