Changing Seas Season 12 Episode release dates & where to watch

1. Florida’s Blue Holes: Oases in the Sea

Scientists explore mysterious blue holes scattered throughout the Gulf of Mexico.

2. A Decade After Deepwater

Ten years after the Deepwater Horizon oil rig disaster, scientists study its devastating impacts on the Gulf of Mexico and use lessons learned to prepare for the next big spill.

3. Peru’s Desert Penguins

Scientists study the adorable Humboldt penguins that nest along Peru’s desert coastline.

4. American Samoa's Resilient Coral Reefs Finale

Experts study what makes American Samoa’s coral reefs more resilient than reefs elsewhere.