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

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.

When there's a rash of missing basset hounds, the Olsen twins--along with their own crime-solving basset, Clue--help track down the missing pups. Original.

Patty O'Leary invites all her friends, including Mary-Kate and Ashley, to a sleepover party in a toy store. When all the best toys start vanishing, the Trenchcoat Twins suspect there's an uninvited guest hiding in the store. Can they catch the thief or will Patty's party be a bust?

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?

When the twins find giant pawprints behind the clubhouse of a dude ranch, an old ranch hand claims it is a dragon's.

The twins are called in to help solve a mystery with their Grandma.