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Three fifth grade "detectives" - Millie, Mike and Marta - as they solve the never-ending mysteries of the fictional, small, Arkansas town of Mulberry Springs.
Now playingSeason 1, Episode 1
Watching1. Time Capsule Mystery: Part 1
Mike, Marta, and Millie work on their first case for the Mystery League. What happened to the 1973 Mulberry Elementary time capsule?
2. Time Capsule Mystery: Part 2
3. Show and Tell Mystery
4. Case of the Creek Clean-Up
5. Case of the Mystery Mash
6. Case of the Robot Teacher
7. Mystery of the Helpful Hero
8. Diner Disaster
9. Crop Circle Mystery: Part 1
10. Crop Circle Mystery: Part 2
11. Mystery of the Matlock's Millions
12. Egg-Citing Adventure
13. Marta's Cool New Camera
14. Masked Sloth Mystery
15. Mayor for a Day
16. Field Trip Fiasco
17. The McGillicuddy Solution: Part 1
18. The McGillicuddy Solution: Part 2
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