Season 4 Preview

Season 4 Episode 1

Dr. M. Sanjayan investigates the largest river restoration ever attempted in the United States.

In the 4th year of this 7-year project exploring the planet’s most threatened ecosystems, Dr. M. Sanjayan visits northern California where the largest river restoration project in United States history is aiming to bring life back to a sacred river.

AIR DATE 4/23/25

Videos

About Changing Planet

Join conservation scientist Dr. M. Sanjayan for a global environmental health check of seven of Earth’s bellwether biomes. From the Arctic to the Amazon, these vulnerable habitats are changing, revealing surprising animal behaviors as species adapt.

Broadcast Dates

#101 - Episode 1 |
Tuesday, Apr 22 at 3pm TPT 2
#102 - Changing Planet |
Tuesday, Apr 22 at 4pm TPT 2
#401 - River Restoration | New
Wednesday, Apr 23 at 9pm TPT 2
#401 - River Restoration |
Thursday, Apr 24 at 3am TPT 2
#401 - River Restoration |
Thursday, Apr 24 at 3pm TPT 2

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