Deep Sea is a Chinese animated film, directed by Chinese director Tian Xiaopeng. The film was released on January 22, 2023, the first day of the Chinese New Year. The film tells the story of a young girl who accidentally drowns on her way to find her mother; she enters an imaginary world when she is rescued, meeting a boy, Nan He, and sailing in the deep sea with him and his crew.

Deep Sea firstly adopts its self-created particle ink effect, incorporating traditional Chinese colors and fusing traditional Chinese ink skills, to create a stunningly beautiful image.