Fringe: Season 1, Episode 3

1 - 3: The Ghost Network

A man, Roy McComb (Zak Orth), seems to be having visions of Pattern-related terror attacks before they occur. The team, led by Dr. Bishop, discovers that he is receiving signals from the Ghost Network, an otherwise undetectable frequency range on which the masterminds are communicating. Among the attacks is a collapse of the Birmingham Bridge in Pittsburgh. With his help, they are able to intercept a strange crystalline disk, which is given to Nina Sharp for analysis.