NASA's Unexplained Files Facts, FAQ & Common Questions
2012 · Science · Status: Ended · Rated: TV-G
Frequently Asked Questions About NASA's Unexplained Files
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does NASA's Unexplained Files have?
NASA's Unexplained Files has 6 seasons and 47 total episodes, spanning from its premiere on March 27, 2012 to May 23, 2019.
Is NASA's Unexplained Files renewed, ended, or canceled?
NASA's Unexplained Files has concluded its run and is officially ended.
How long does it take to binge watch NASA's Unexplained Files?
It takes 35h 15m (2115 minutes) to watch the complete run of NASA's Unexplained Files. At a standard pace of 2 hours per day, you will finish the entire series in approximately 18 days. Not realistic for a 48-hour weekend. At 35.3 total hours, watching at a healthy 2 hours per day will take approximately 18 days.
Where can you stream or watch NASA's Unexplained Files?
NASA's Unexplained Files is available for streaming on Disney Plus, HBO Max Amazon Channel, Philo, Discovery+ Amazon Channel, HBO Max, Discovery +. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for NASA's Unexplained Files?
NASA's Unexplained Files has an official content rating of TV-G.
Who are the lead actors in NASA's Unexplained Files?
The primary ensemble cast includes Erik Dellums as Narrator (age 62), Christopher Orwoll as Self - Director, New Mexico Museum of Space History, Bill Birnes as Self - Author, 'The Day After Roswell' (age 81), James E. Oberg as Self.
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Erik Dellums | Narrator | 62 |
| Christopher Orwoll | Self - Director, New Mexico Museum of Space History | – |
| Bill Birnes | Self - Author, 'The Day After Roswell' | 81 |
| James E. Oberg | Self | – |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for NASA's Unexplained Files are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 26, 2026.