The Adventures of Mary-Kate & Ashley is a series of musical mystery videos starring twin actresses Mary-Kate and Ashley Olsen. The series was also written as children's books. A set of books was written as a companion piece to the show, showing the twins on the cover. The video series was distributed by BMG Kidz and KidVision. Format Each video begins with the girls singing the theme song. Following the theme song, the girls receive a phone call, informing them of some urgent mystery that needs to be solved. Their motto is "We’ll solve any crime by dinnertime." Each video features the girls singing multiple songs about the mystery they are working on. They never fail to solve the mystery with their sidekick, Clue (a Basset Hound), and, indeed, the solution is usually something either very obvious or very trivial, to give the video a humorous ending. Plot outlines Each episode is named "The Adventures of Mary-Kate & Ashley" followed by the name of the mystery. 1. The Case of Thorn Mansion (1994) A ghost is supposedly haunting a mansion in Transylvania, and the girls must figure out who or what is actually behind it. The "ghost" ends up being the caretaker of the mansion who is also a beekeeper. (The trip to Transylvania was about 9,000 miles from their attic) 2. The Case of the Logical I Ranch (1994) Pungent smells and weird noises plague the "Logical I Ranch". Some employees of the ranch think it is being caused by a dragon running loose. (The trip to Dead Gulch USA was about 1,372 miles from their attic) 3. The Case of the Sea World Adventure (1995) The girls' parents work at Sea World as over-worked dolphin trainers. One day, the girls run into a dead body in the woods that eventually leads them and their parents to a cruise ship while trying to solve the rigged mystery. The boss of the girls' parents had planted evidence to get them all on the cruise, so they could take a much-needed family vacation. 4. The Case of the Mystery Cruise (1995) The sequel to The Case of the Sea World Adventure. Mary-Kate and Ashley's father has a laptop containing vital information. It gets stolen while on a cruise ship and must be retrieved. The twins believe a friend of their father's was responsible, but it later turned out to be a