Looking for some thought-provoking sci-fi documentaries to stream on Amazon Prime Video? We’ve compiled a list of the best ones available, perfect for indulging your curiosity about space exploration, UFOs, and more. Dive into these fascinating documentaries that will transport you to new worlds and challenge your understanding of the universe.

1. The Captains

IMDb Score: 7.5/10
Rotten Tomatoes Score: 82%

Runtime: 96 minutes

In “The Captains,” William Shatner takes us on a nostalgic journey as he interviews fellow actors who have helmed starships in the Star Trek universe. This documentary is a delightful treat for Trekkies, offering insights into the lives and careers of these iconic actors. Shatner’s warmth and humor shine through, making it a charming watch for fans and newcomers alike.

2. Chaos on the Bridge

IMDb Score: 7.1/10
Rotten Tomatoes Score: 79%

Runtime: 59 minutes

“Chaos on the Bridge” provides a fascinating look at the tumultuous creation of Star Trek: The Next Generation. William Shatner returns to bring viewers behind the scenes of the challenges faced by the creators and writers. With candid interviews and intriguing insights, this documentary is a must-watch for anyone interested in TV history and the Star Trek legacy.

3. The Wild Blue Yonder

IMDb Score: 6.2/10
Rotten Tomatoes Score: 67%

Runtime: 81 minutes

Werner Herzog’s “The Wild Blue Yonder” is a visually stunning documentary that blends fiction and reality. Narrated by an alien, it tells a tale of cosmic exploration and environmental caution. With its poetic narration and stunning imagery, it offers a unique perspective on humanity’s quest for survival. It’s a thought-provoking experience that captivates and challenges the imagination.

4. I Know What I Saw

IMDb Score: 7.4/10
Rotten Tomatoes Score: 77%

Runtime: 91 minutes

“I Know What I Saw” gathers credible UFO witnesses from around the world for a compelling documentary. Director James Fox crafts a narrative that is both intriguing and unsettling, featuring testimonies from Air Force Generals, astronauts, and other officials. The film will undoubtedly leave you questioning reality and the existence of extraterrestrial life.

5. Out of the Blue

IMDb Score: 7.7/10
Rotten Tomatoes Score: 85%

Runtime: 99 minutes

Renowned as one of the best UFO documentaries, “Out of the Blue” delves deep into the phenomenon of Unidentified Flying Objects. Through interviews with high-ranking military personnel and government officials, it presents compelling evidence for the existence of extraterrestrial life. Peter Coyote’s narration adds gravitas to this well-researched and thought-provoking film.

6. Conlanging: The Art of Crafting Tongues

IMDb Score: 7.0/10
Rotten Tomatoes Score: 73%

Runtime: 96 minutes

“Conlanging: The Art of Crafting Tongues” takes viewers into the fascinating world of constructed languages. This documentary explores the passion and creativity of conlangers, those who create new languages. You’ll be amazed at the complexity and dedication involved in crafting fictional tongues, making it an inspiring watch for language enthusiasts and sci-fi fans alike.

7. Close Encounters: Proof of Alien Contact

IMDb Score: 6.8/10
Rotten Tomatoes Score: 70%

Runtime: 86 minutes

“Close Encounters: Proof of Alien Contact” aims to provide physical proof of alien encounters with exclusive footage and interviews. This documentary presents a collection of eye-opening stories and evidence that will captivate believers and skeptics alike. It’s a thrilling exploration of the unknown, raising questions about our place in the universe.