None.

Contains typical mild western violence as found in other western animations for children, like shootouts, bar fight and some chases.

Annie's father is found dead. It is the most dramatic moment in the entire film.

Some bandits appear to be ruthless against some people. An elder woman is briefly seen hit in her face.

Several gunmen appear to be hit during the climatic shootout. However, there is no blood visible. Very little intense.

The word "shimatta" is used at least two times, and can mean something like "damn it", or "oh shit".

Some mice indians lets Pero the cat try smoking pipe. Pero ends up coughing.