When Ms. Brisby is caught in a cage, she cuts herself trying to escape and bleeds, blood is shown.

Total of onscreen deaths 5.

The great owl can be seen eating a moth.

A number of animals are killed throughout the film.

Blood is shown about 8 times in this film.

Jenner slashed his assistant with a sword before engaging in a sword fight.

There is only one use of the word "Damn" and "heck" is also used. A little few uses of some mild name-calling.

A cat's food is drugged by a mouse and you see the cat asleep with one unfocusing eye open.

In the flashback scene, a man injects a mouse with a special drug.

There is an unbelievable amount of violence.

The Great Owl, while not a villain, is still very intimidating.

A Spider can be seen following Mrs. Brisby in The Great Owl's tree. Later it's face can be seen up close. Would be considered ultra frightening to younger viewers.

This film is somewhat dark for animated children's movie.

Mrs. Brisby and Jeremy are chased by Dragon the cat, who is designed to feel as monstrous and menacing as possible.

One rat in rat nest tries to kill Mrs. Brisby but she retreats. However, a familiar face allows her to enter again and another rat, the Captain of the Guard, meets them and so warmly welcomes her inside.