1. PlanetEarth: This is a documentary series produced by BBC, which shows animals and plants in different ecosystems on the earth. It shows children the diversity of animals and plants and their interaction with the environment with exquisite photography and vivid narration.

2.TheAnimalWorld: This documentary introduces different animals in a humorous way, including their habits, behaviors and ability to adapt to the environment. Through the combination of animation and field shooting, it makes children interested in the animal world.

3.TheMagicofPlants: This documentary shows children the wonders of plants, including their growth process, photosynthesis and ability to adapt to the environment. It stimulates children's interest in plants and awareness of environmental protection through beautiful pictures and interesting stories.

4. Ocean: This documentary, produced by BBC, shows the life and relationship of various creatures in the ocean. It makes children understand the importance of marine ecosystem and the necessity of protecting the ocean with shocking pictures and in-depth explanations.

5.AnimalPlanet: This is a channel dedicated to playing animal documentaries, providing many interesting programs about animals and plants. It covers all kinds of animals, from land to sea, from insects to large mammals, and provides children with a broad field of knowledge.

These documentaries can not only increase children's understanding of animals and plants, but also cultivate their awareness of protecting the natural environment. At the same time, it is presented in a vivid and interesting way, which can attract children's attention and let them gain fun and knowledge in watching.