Top Cat and the Beverly Hills Cats (1988)

A Beverly Hills dowager Gertrude Vandergelt, leaves everything to Benny the Ball because her only rightful heir, her 16-year-old niece Amy, is missing. But that's only if Benny stays alive for 48 hours.

If not, evil butler Snerdly and his mad Russian Wolfhound are next in line - and he's quick to pull every trick in the book to do poor Benny in and the troop sets off to rescue Benny and find the lost heir Amy.