: Baz and Garrow, increasingly influenced by the Ancestor, take control of the pump station. They realize they need Fulmer's help to shut down the pipes at the source, leading to intense psychological and physical consequences for Fulmer.

: The show's "climate messaging" becomes more explicit in this episode, though some reviewers found it "hamfisted" and "preachy". Audience Perspectives

“All the characters here fall into the age old trope of acting dumb because the script calls for it. Seeing Rose just randomly walk into the spores, despite being trained and knowing about geology...” The Review Geek · Prime Video · 3 years ago The Rig – Season 1 Episode 4 Recap & Review

“Quite a lot happens here, for a middle of the series episode this was very good. We learn several things, including the scale of the fog, and just how far it's gone...” IMDb

: Some critics pointed out significant lapses in character logic. For example, a reviewer at The Review Geek criticized characters for walking into spore-filled areas without protection despite knowing the biological risks.

This review covers of the Amazon Prime Video supernatural thriller The Rig (Season 1), titled "Signs." This pivotal episode shifts the series from a standard disaster drama into a full-blown Lovecraftian mystery, focusing on the awakening of an ancient entity known as "The Ancestor". Episode Narrative & Key Developments

: Many viewers appreciated the deepening sense of claustrophobia and the shift into high-concept sci-fi. One reviewer on IMDb rated the episode 8/10 , stating that "quite a lot happens here" for a middle-of-the-series episode.

The critical reception for this middle episode was mixed, with reviewers praising the atmosphere while criticizing the characters' logic.