1 season·18 episodes·14 min avg.·United States of America
Three fifth grade "detectives" - Millie, Mike and Marta - as they solve the never-ending mysteries of the fictional, small, Arkansas town of Mulberry Springs.
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Time Capsule Mystery: Part 1Up next
Nov 19, 2023
Mike, Marta, and Millie work on their first case for the Mystery League. What happened to the 1973 Mulberry Elementary time capsule?