A little boy who is good at swimming often goes swimming in the sea. Once I found a dolphin whose mother just died in the sea, so I often go there and put milk in the sea for the dolphins to eat. Later, when the dolphins grow up, they often play happily together in the sea. Until a little boy met a shark while playing alone in the sea, at the critical moment, the little dolphin appeared and drove the shark away, and they continued to live a happy and simple life.

The name is my friend Little Dolphin.

"My Friend Little Dolphin" was written by Liu Xingshi and directed by Tielang Dai, and was filmed at Shanghai Animation Film Studio on 1980. In the style of prose poetry, the film depicts a young sailor, A Bo, getting a little dolphin at sea and establishing a friendship with it through training. One day, the baby dolphin was summoned by a group of wild dolphins swimming in the water. Po misses it very much. When Po fought with the giant shark, the little dolphin came to save Po, and a pair of little friends finally lived happily together again. The film music composed by Cai Lu is very distinctive, with smooth melody and rich musical instruments. With the development of the plot, sometimes sad, sometimes cheerful, sometimes low, sometimes high, accompanied by a soft female duet. 1in July, 1982, the film won the best honor award of the12nd Tiffany International Children's Film Festival, and the silver medal of President People's Republic of China (PRC).

I don't know the first one.