深圳市环球数码影视文化有限公司

Due to being attacked by a legendary sea monster, Deepsea Base launched an arrest plan. However, Comma discovered that the sea monster was actually just a cute little dragon. With the unremitting efforts of Comma and his friends, they finally resolved the misunderstanding of the sea monster and reunited the little dragon and its mother.

Happy Little Submarine Magic Box of Time is a 2015 Chinese animated adventure film directed by He Zili.