Detective Green, the sea turtle, is on a case. He visits southern coral reefs, western sandy shores, and eastern faulted coasts, finding the same problem at every place. Follow Detective Green as he uncovers the truth!

Detective Green, the sea turtle, is on a case. He visits southern coral reefs, western sandy shores, and eastern faulted coasts, finding the same problem at every place. Follow Detective Green as he uncovers the truth!

Three friends travel to Tainan. The guesthouse owner tells them that overfishing and habitat destruction have reduced fish populations. He suggests following the Sustainable Seafood Guide and choosing local fish like Taiwan milkfish - tasty, nutritious, and good for the ocean.

Xiao Le's grandfather takes him to Mr. Zeng's clam farm. The clams live in clean water, but illegal industrial waste soon poisons the sea, causing many deaths. Mr. Zeng brings the farm back to life through symbiotic aquaculture. The story even inspires the community's annual mural project.

Having heard from her mother that their trip would reveal stunning scenery, Lan-Lan the whale shark was highly anticipating the day they would set off. But when they finally set out, the ocean is filled with oil and trash. The world isn't like her mother's stories anymore… What happened to the ocean they love?

Kai the whale is brave and full of justice. Together with Ah-Du, the clownfish, they set off to help sea creatures in trouble. Along the way, they meet friends who think and care just like them. They have fun, face challenges, and never give up, because even the tiniest act of kindness can spread far and wide.

On Lanyu Island, Si．Bannaligan rescues a flying fish trapped in a fishing net. To thank him, the flying fish promises to take him on an underwater adventure during flying fish season. What kind of ocean world will they get to see?

A young boy sets sail on a paper boat he folded himself, bravely riding the waves. It sails past sandy islands in the west, rocky coasts in the east, and even turning into a submarine to dive under the sea beside coral reefs . Join him on a magical journey across the dreamlike ocean

Dora visits a marine park, excited to see the dolphin show. But as she watches, something magical happens! She turned into a little beluga whale! But trapped in a tank, she now feels the sadness of losing freedom and finally understands how performing animals truly feel.

Ah Ming made a living by bringing the fish he caught to sell at Kanzaiding fish market, supporting his whole family. One day, the teacher bought fresh milkfish from Kanzaiding and cooked it for the students. The taste of fish from Kanzaiding carries the story of our community.