Ranma ½: The Movie, Big Trouble in Nekonron, China (1991 IMDb)

Commentary

Takahashi Rumiko's gender bending fantasy/action comedy for kids. I've seen some of the TV and OVA episodes, but not completed them.

Japanese production animation movie

Second film:

Ranma ½: The Movie 2, Nihao My Concubine (1992 IMDb)