When did Expedition X Season 10 Episode 4 air?
Expedition X Season 10 Episode 4 aired on September 10, 2025 at 9 PM ET.


Whether trekking through the remote jungles of Cambodia in search of a legendary ape-man or exploring the secrets of the world’s largest cave system right here in the United States, the Expedition X team is taking viewers to the stranger side of the unknown.

Phil and Heather scour the skies and dive the valley's depths using cutting-edge tech in search of the truth behind the mysterious Hessdalen Lights in Norway.
Direct answers for episode-level questions and details.
Expedition X Season 10 Episode 4 aired on September 10, 2025 at 9 PM ET.
Runtime information for this episode is not available yet.
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