The team explores a mine shaft in the forest on Fringe. "The Recordist" is the third episode of the show's fifth and final season.
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Fringe Season 5 Episode 3 Quotes

Peter: Walter, you stored the tapes out of order!
Astrid: Shocker.

I don't think I should travel. My feet are swollen from standing in front of the amber all day. I should stay here and regroup. What?

Walter