Shaun Smyth

In 2036, Peter, Astrid, Walter, and Peter's daughter Etta search for Olivia, who holds the key to defeating the occupying Observers.

To find a mineral necessary for their plans, the team travel into the wilds of Pennsylvania and discover an encampment of people documenting human history since the invasion.

The team battles the Observers.

The team find a new cassette tape in the amber; with Nina Sharp's assistance, the team find two cylinders.

A devastating event leads to a strategy change before a key team member makes a pivotal and shocking move.

Trying to recall his plan, Walter takes an LSD-laced trip down memory lane; a mysterious signal leads Peter and Olivia to the woods, where they come upon a grisly scene.