The Green Squad explores Yellowstone National Park, where it learns of the conflict between wolves and neighboring farmers.

The Green Squad finds an animal thought to have been extinct as they explore a coastal forest in Africa.

The Green Squad tries to flush out poachers in a panda conservation center in China.

The Green Squad are in Laos to observe butterflies, including the famous Atlas, one of the largest in the world. They discover sick butterflies and birds with blue spots on them.

Uncle Mark invites the Green Squad on a safari in Kenya.

A bush fire threatens koalas at a sanctuary.

The Green Squad is in the Congo at the invitation of Mr. OubanÃ(C), who runs an orphanage for baby bonobos (chimpanzees.)

The Green Squad investigates the declining population of the Lesser Antillean iguana.

The Green Squad travels to Sumatra to locate a rare flower and save a forest.

Dangerous poachers threaten a lost baby seal.

The Green Squad is surprised by two poachers while it observes a female pangolin and her baby.

Claire, Thomas, Julian and Wifi observe Brazil's macaws while perched atop the trees in an inflatable raft.

Oil drilling endangers the migration of caribou and an entire Alaskan ecosystem.

Learning about the dugong, a plant-eating species of sea mammal thought to be behind legends of mermaids.

The Green Squad visits Madagascar and tries to protect chameleons from an exotic-animals trafficker.

The Green Squad follow the 2,000-kilometer migration route of birds.

The Henrys land in Borneo to film a documentary on the deforestation of the primeval forest. But as soon as they get there, they see how horrible things are, and an orangutan is injured before their very eyes.

The Green Squad members are in their home village in France, where the circus has just started setting up. They make friends with Jupiter the lion and convince the circus master to set him free.

The Green Squad works to educate Indonesian fishermen about how to care for reefs and their ecosystems.

The Green Squad helps forest rangers prevent the poaching of flying foxes in Madagascar.

The Green Squad tries to sway public opinion to help save seahorses in Thailand.