The Great Mouse Derective (1986) (Susie Harrison/ YouTube.com screen grab)

Basil of Baker Street is the mouse world's answer to Sherlock Holmes, at first reluctant to help an adorable little girl find her Father, Basil changes his mind and not only finds her father but also saves the little girls life, while almost sacrificing his own. Though there are no cats in this one, there is a rat, a bat and a dog that happily mix in with the mouse community.