Carl Redding hears another voice bleeding through his late-night pirate broadcast

Cal and a local patrol officer encounter something alive in the transmission

Eli, Cassie, and Noah fear the ghost in the wires

The Bulletin Boys gather theories from the locals

Harold Wicks has a first-hand encounter with the dark signal

Cal and the Bulletin Boys confront the entity

Cal tracks down the signal's roots

The kids follow a haunting trail

Sharon hears more than just voices in the walls

Cal chases the hollow path to its root

Voices follow the kids through town

The entity converges on the town

Cal is haunted by Sharon's fate

The Bulletin Boys investigate a new mystery