Shan T Lao Fu Zi

Third animated movie of Old Master Q. Old Man Q, Big Potato and Mr. Chin work at a lunapark and encounter a series of unlucky events. To acquire the land of the lunapark, the director of the Landlord Company threatens to demolish the lunapark with a bomb. By a chance, Old Man Q meets an alien called Shan T and they become friends. Shan T then helps Old Man Q to fight against Landlord Company henchmen.

(Source: BakaBt, translated and edited from movie.mtime.com)