The new adventures of Mary-Kate & Ashley

Twins Mary-Kate and Ashley investigate when a screaming scarecrow disrupts their Halloween party.

Twins Mary-Kate and Ashley investigate when a diamond pin belonging to their friend's mother disappears in a mall.

Mary-Kate and Ashley suspect that the strange noises and smells they are encountering at the Logical I dude ranch are being caused by a dragon--so they proceed to investigate.

Adolescent twin sleuths Mary-Kate and Ashley Olsen investigate the alleged haunting of an old plane in the Museum of Early Air Travel in Washington, D.C., after experiencing some eerie occurrences.

Twins Ashley and Mary-Kate suspect foul play when their basset hound, Clue, disappears from their cabin at Camp Barkaway, a recreational and educational camp for dogs and their owners.

The twins investigate burglaries for a Native American family at a ranch in Montana.

The twins investigate when the prizes for a scavenger hunt on a cruise ship are stolen.

When someone tries to sabotage the basketball's team's chances of winning the playoffs, Mary-Kate and Ashely work together to find the culprit.

The twins investigate the appearance of a ghost in a haunted house on Halloween.

The twins investigate when Princess Glorianna is kidnapped.