Currently you are able to watch "Planet Earth" streaming on Discovery+.
There are no options to watch Planet Earth for free online today in India. You can select 'Free' and hit the notification bell to be notified when show is available to watch for free on streaming services and TV.
If you’re interested in streaming other free movies and TV shows online today, you can:
David Attenborough celebrates the amazing variety of the natural world in this epic documentary series, filmed over four years across 64 different countries.