the mystery files of shelby woo is a canadian-american children's mystery television series that ran on nickelodeon between 1996 and 1998. a total of 41 episodes of 30 minutes each were produced. episodes from the first three seasons were taped at the now defunct nickelodeon studios in orlando, florida, and was one of the few single-camera productions there, while season 4 episodes were shot in montreal, quebec, canada.