The Bad Doggie Syndrome

"The Bad Doggie Syndrome" is the thirteenth episode of Season Three, and the 39th overrall. it originally aired on April 8, 2000. It was written by Marsha Griffin and directed by Darwyn Cooke.

Synopsis
Kay and Jay are moving fast to stop the take over of Earth by the Tunstons, whose king is hiding out in Frank the Pug's body.