Watch Granite Flats

John races to free Hershel from prison and the kids uncover real danger after the science fair.

Frank asks for Beth's help to prove his sanity. Hershel receives visitors while incarcerated.

Arthur and his friends look for more mysteries to solve. John, the police chief, works with the FBI.

Friendships are tested after a failed class project, Beth investigates Frank's strange behavior, and John struggles to balance his family and his duties as police chief.

Beth tries to connect with her son, Arthur, who has built a metal detector with his friends to help them investigate the mysteries in Granite Flats. A big city reporter begins asking questions around town.

Arthur and his friends Tim and Madeline look into the town's mysteries, and the police chief investigates one man's part in the base explosion.

Fear spreads in the wake of the explosion, and the kids try to find the culprit; something strange is going on with one of the hospital patients.

When a mysterious object falls from the sky and an Army base explodes, three young amateur sleuths try to unveil the secrets of their small town.