Peter and Fredwynn are retracing the steps that Peter took that first day when he discovered the Jejune Institute. While they are looking for something, what they ultimately find sounds more like a warning than a clue.

Watch a Sneak Peek of Episode 6

As the two of them wrestle over the payphone where Peter had watched a flash mob go down, led by Big Foot, a voice emerges from the phone. Hear the cryptic message they receive in this sneak peek of tonight's all-new episode.

Catch up on the latest full episode available now on amc.com and AMC apps for mobile and devices.

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