Mary-Kate and Ashley are in Hollywood to see the famous one-of-a-kind Princess Anna doll in the theater lobby. When the lights go down and the movie starts they hear a scream.
Mary-Kate and Ashley thought that going to see the New York City Ballet would be fun, but when the star ballerina's diamond tiara is stolen, the girls find themselves trying to solve the mystery before the show is ruined.
Twins Mary-Kate and Ashley investigate when their friend Miranda's lucky ballet slippers are stolen shortly before she is due to dance the role of Clara in the Nutcracker Ballet.
Twins Mary-Kate and Ashley investigate an outdoor maze to see if it is haunted. When they confront a ghost, they return to find out if the ghost is real.
Mary-Kate and Ashley Olsen are out to solve the Hidden Holiday Riddle, but someone stole it leaving a clue that places them face-to-face with two rather large, scary dogs.
Mary-Kate and Ashley are trying to find out where all the basset hounds in town are disappearing to, but the case becomes even more personal when their dog is stolen, too.
Mary-Kate and Ashley can't wait to go to summer camp, even though they have heard rumors about it being haunted, but they know there is no such thing as ghosts, or so they think until they start hearing strange noises in the woods.
