Mary-Kate and Ashley must find a missing robot before the science fair is cancelled.

The girls' friend Lindsay wants to enter her beautiful tulips in a flower contest, but someone-- or something-- ripped the flowers right off the stems. All clues point to a unicorn.

While having the time of their lives at summer camp, Mary-Kate and Ashley are accused of a crime they didn't commit. Someone's been stealing other campers' care packages and blaming it on them! Can the Trenchcoat Twins prove their innocence and find the real thief before they're sent home?

Our friend Mitch says the outdoor maze is haunted. We didn't believe him -- until we came face-to-face with a ghost! Is the ghost real? Or is someone trying to scare us away? There's only one way to find out. Mary-Kate and I have to go back into the scary maze!

Mary-Kate and Ashley are excited to attend their town's annual Halloween Carnival. Every year, the carnival's proceeds go to charity -- but this year, few people are riding the rides or playing the games. That's because there's a ghost at the carnival that's scaring all the kids away! The girls must figure out who or what the spectre is -- and how to get rid of it -- or the carnival doesn’t stand a ghost of a chance!

After being invited to the Princess Ball, the girls find out that Princess Glorianna has been kidnapped. Can Mary-Kate and Ashley find her before the kidnappers get their ransom -- and get away with the princess?

Mary-Kate and Ashley are selected to be on their favorite TV game show.