Top 10 Ancient Aliens Episodes That Might Actually Be True

Since its debut in 2009, Ancient Aliens has introduced millions to the ancient astronaut theory: the idea that extraterrestrial beings may have influenced Earth’s history, culture, and architecture. And while skeptics love to roll their eyes, some episodes are packed with real, unsolved mysteries that science still can’t explain.

Here are 10 Ancient Aliens episodes that just might be closer to truth than fiction.

1. “The Evidence” – Season 1, Episode 1

The one that started it all.

This premiere episode lays the foundation for the entire series — examining ancient texts, religious artifacts, and mysterious sites like the Nazca Lines and Pyramids of Giza.

🔍 Why it might be true:

The show points out eerie similarities in mythologies from vastly different cultures. Stories of gods descending from the sky in fiery chariots or glowing orbs appear across civilizations. Coincidence? Or ancient memory?

2. “The Mystery of Puma Punku” – Season 4, Episode 6

Stonework so advanced, it could rival modern machines.

Located in Bolivia, Puma Punku features megalithic stone blocks with laser-sharp angles and complex interlocking shapes.

🔍 Why it might be true:

Mainstream archaeologists admit — we don’t fully know how these stones were cut, moved, or assembled. Some blocks weigh over 100 tons and were quarried miles away.

If not aliens… then who had this tech?

3. “Aliens and the Third Reich” – Season 2, Episode 5

A blend of fact, horror, and high-tech secrecy.

This jaw-dropping episode explores the theory that Nazi scientists were attempting to reverse-engineer alien technology — and that some escaped to South America (or beyond) with their findings.

🔍 Why it might be true:

Operation Paperclip is real. Nazi engineers were decades ahead in rocketry. There are still classified files on German “flying discs.” The “Bell” (Die Glocke) project remains unsolved.

Where did all that knowledge go?

4. “The Tesla Experiment” – Season 6, Episode 4

Nikola Tesla: Inventor… or alien antenna?

This episode dives into Tesla’s claims that he received signals from other planets — and his obsession with wireless energy, death rays, and unexplained transmissions from Mars.

🔍 Why it might be true:

Tesla genuinely believed he was in contact with something beyond Earth. Modern SETI scientists still reference his early work. Was he ahead of his time… or just in tune with the cosmos?

5. “Aliens and Megadisasters” – Season 3, Episode 7

Did extraterrestrials warn ancient humans of coming catastrophes?

This episode ties massive ancient disasters — like the Great Flood, volcanic eruptions, and sudden civilization collapses — to potential alien involvement or forewarning.

🔍 Why it might be true:

Many cultures have preserved tales of “sky people” warning them before great destruction. And archaeological evidence now shows multiple sudden climate events shaped history.

6. “The Anunnaki Connection” – Season 6, Episode 1

Were the gods of Sumer really visitors from another planet?

This episode focuses on the ancient Sumerians and their mythological pantheon, the Anunnaki — often described as beings who descended from the heavens and created humankind.

🔍 Why it might be true:

The Sumerians had advanced astronomical knowledge we can’t explain. Their texts speak of flying vehicles, genetic manipulation, and a “god race.” Were they describing metaphors… or memories?

7. “The Crystal Skulls” – Season 3, Episode 5

Ancient tech… or ancient hoax?

The mystery of the 13 crystal skulls — allegedly found across the Americas and linked to cosmic energy or alien communication — is one of the most enduring myths of modern archaeology.

🔍 Why it might be true:

Some skulls appear to be carved against the grain of quartz, which would require tools we didn’t have until recently. And no one knows where most of them came from.

8. “Aliens and Deadly Weapons” – Season 7, Episode 7

Did the ancients witness weapons of mass destruction?

This episode explores texts like the Mahabharata, which describes fiery explosions, radiation sickness, and aerial dogfights — thousands of years before modern warfare.

🔍 Why it might be true:

Some of the Mahabharata's descriptions sound suspiciously like nuclear blasts and laser weapons. Add in the mysterious ruins of Mohenjo-Daro, where skeletons were found with high radiation — and things get weird.

9. “Voices of the Gods” – Season 8, Episode 6

Channeling the divine… or dialing long-distance?

This episode suggests that ancient shamans and oracles weren’t communicating with spirits — they were tuning into non-human intelligences.

🔍 Why it might be true:

Psychedelic research today supports the idea that DMT and similar substances can induce entities or visions that feel utterly “other.” Could this be ancient alien contact in disguise?

10. “The Galactic Code” – Season 9, Episode 7

Is math the language of the universe… and are aliens leaving us breadcrumbs?

This cerebral episode explores sacred geometry, the Fibonacci sequence, and cosmic constants found in ancient structures worldwide.

🔍 Why it might be true:

From the Great Pyramid to Stonehenge, ancient sites encode astronomical and mathematical precision still puzzling to this day. Either humans got really lucky — or someone helped them along.

🔚 Final Thoughts: Ancient Answers or Alien Clues?

You don’t have to believe every word of Ancient Aliens to feel the pull of these mysteries.

Because even if the alien theory seems wild — the questions remain:

• Who built these monuments?
• Why are the same gods described across continents?
• Why does our past feel… edited?

Maybe Ancient Aliens isn’t giving us answers.

Maybe it’s daring us to ask the right questions.