Sarah's rotten cat Ralph goes to a Halloween costume party dressed as her and creates horrible mischief under the protection of his disguise.

Ralph, a very, very, nasty cat, finally sees the error of his ways--or does he?

Sarah's cat Rotten Ralph tries to help her create a school project based on ancient Egypt, but he is more of a hindrance than a help.

Rotten Ralph comes to appreciate Sarah's healthy cat food after he gets sick from eating out of trash cans.

When the veterinarian determines that Sarah's cat has used up eight of his nine lives, will the high-spirited feline finally stop misbehaving?

"Ralph takes a swing through his family tree to find out why he's so rotten"--