Alien: Earth S1E4 poster

Watch Alien: Earth – Season 1 Episode 4: Observation

Alien: Earth • Season 1, Episode 4 • 60 min • 2025 • ⭐ 7.6/10 • Drama , Sci-Fi & Fantasy

Cast: Timothy Olyphant , David Rysdahl , Jonathan Ajayi , Alex Lawther , Essie Davis , Moe Bar-El , Babou Ceesay , Adarsh Gourav , Adrian Edmondson , Lily Newmark

Watch Alien: Earth – S1E4

Episode Overview

An unexpected connection is formed while a covert plot puts everyone in danger.

Episode Navigation

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