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!

Mary-Kate and Ashley are excited about the town's annual Halloween Carnival. But this year, a ghost is 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.

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 -- I dare you to go into the haunted house!" It was Halloween, and our friend Patty was trying to scare us. Ashley and I didn't believe in ghosts, so we took Patty's dare. But when we went into the haunted house -- we saw a ghost with our very own eyes! There was no time to investigate. We had another mystery on our hands. A case of robbery -- where all the suspects were our friends! But then the clues in our new case led us right back to the haunted house! Were our two mysteries turning into one?

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

Darcy Doyle investigates the strange thumping and scraping noises coming from Mrs. Pendleton's attic.