S1 E1: Pilot
Arthur Milligan and his mother move to Granite Flats, Colorado, where they hope to find peace and quiet in the midst of the Cold War--but then an explosion rocks the local army base.
43 minutes
Granite Flats
When a mysterious object falls from the sky and an Army base explodes, three young amateur sleuths try to unveil the secrets of the small town.
Cast: Jordan Heit, Richard Gunn, Charlie Plummer
Director: Brian McNamara, Blair Treu, Scott Swofford
S1 E2: Empty Box
Granite Flats is in a panic in the aftermath of the explosion. And Arthur and his new friends won't be left out of the action--a covert meeting and a few far-fetched theories have the trio embarking on an investigative journey.
37 minutes
S1 E3: A Secret to the Heart Nearest
Two investigations into the mysterious happenings in Granite Flats ensue-one by Chief Sanders and the military police and the other by Arthur and his cohorts-and each has varying degrees of success.
41 minutes
S1 E4: Talking
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.
47 minutes
S1 E5: Bonds
Friendships are tested after a failed class project, Beth investigates Frank's strange behavior, and John struggles to balance his family life with his duties as police chief.
44 minutes
S1 E6: Reassembly
Madeline, Arthur, and Timmy seek out new mysteries to solve, and Chief Sanders uncovers something huge with the help of some mysterious newcomers.
47 minutes
S1 E7: The Wrong Man
Frank asks for Beth's help to prove his sanity, Hershel receives visitors while incarcerated, and Arthur and his friends try to salvage their science fair project.
44 minutes
S1 E8: Something Dangerous
In the season finale, Chief Sanders calls in a favor as he attempts to prove Hershel's innocence and have him released from jail. And after the science fair, Arthur, Timmy, and Madeline solve yet another mystery in Granite Flats.
47 minutes