Mary-Kate and Ashley in Action!

Dog Gone (1x20)

Air date: May 18, 2002

It's thrills and chills on the De Luxe Express as Mary-Kate and Ashley solve the mystery of the missing Quincy, who's been kidnapped by a master magician-yup, Oliver Dickens again-masquerading as a mysterious princess. Now all they have to do is rescue the imprisoned pooch!