Ancient Aliens is an American television series that premiered on April 20, 2010 on the History channel. Produced by Prometheus Entertainment, the program presents hypotheses of ancient astronauts and proposes that historical texts, archaeology and legends contain evidence of past human-extraterrestrial contact. The show has been criticized for presenting pseudoscience and pseudohistory.
The series’ de facto pilot was a TV special of the same name that aired on March 8, 2009, on the History channel. Seasons 1–3 aired on the same channel until 2011. Beginning in 2012 with season 4, the series began airing on H2. Season 7 began on H2 in October 2014. On April 10, 2015, new episodes began premiering on the History channel.