While helping Gladys Glendower fix up the Moonlight Drive-in, Wishbone and his friends try to discover who is responsible for the series of mysterious fires that threaten to destroy the old theater.
Wishbone senses that someone is up to no good when he, Joe Talbot, and their friends take a ride on a train that was used to smuggle money and other valuables in the 1930s.
After witnessing an eerie glow in the sky, Wishbone begins to worry about aliens landing on Earth, especially when he hears a strange humming noise in the neighborhood.
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.
