The Fringe team comes in contact with a group who are determined to record mankind's history.
The first tape discovered is number three and tells them to go to Pennsylvania.
The group who are recording history are afflicted with a rare disease and they cannot leave their location.
A young recorder boy has created a line of Fringe comics.
Olivia tells Peter she didn't search for Etta because she was sure she'd find her dead.
The recorder of history made history.