Ralph, a mischievous cat, lives with Sarah's family. He's notorious for his pranks and troublemaking. Despite his antics, Sarah loves him and can't imagine life without her feline companion.

based on a series of children's books written by Jack Gantos, about a cat called Ralph, who lived with his owner, Sarah, and her family. The trouble is that Ralph is Rotten. He loves playing tricks and practical jokes on his family and friends. Wherever he goes he causes trouble. Sarah knows how rotten he is, but despite this, she loves Ralph, and could never be without him.—anonymous