Ancient Aliens - Season 5 - Eps 1: Secrets of the Pyramids
For thousands of years, pyramids were the largest structures on Earth. The best known were constructed in Egypt and Central America, but others have been found all around the world, including in China, Africa and Indonesia. But what purpose did the pyramids serve? Researchers explore strange similarities between all pyramids, as well as the geographic, strategic and otherworldly connections between these mysterious monumental structures.
About Ancient Aliens

Title: Ancient Aliens
First Air Date: 2010-04-20
Last Air Date: 2025-03-28
Status: Returning Series
Rating: 6.874/10 (from 266 votes)
Language: EN
Seasons: 22
Total Episodes: 267
Network: History
Genres: Documentary, Mystery, Sci-Fi & Fantasy
Production Companies: Prometheus Entertainment
Synopsis
Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.
Cast

Robert Clotworthy
Narrator (voice)

Giorgio A. Tsoukalos
Self

Ariel Bar Tzadok
Self

Jonathan Young
Self

David Childress
Self

Erich von Däniken
Self

Linda Moulton Howe
Self

David Wilcock
Self

George Noory
Self

Philip Coppens
Self