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.

Project U.F.O. is a NBC television series based loosely on the real-life Project Blue Book

Mass UFO sightings from the last 50 years fuel a global mystery in this docuseries featuring eyewitness accounts, expert interviews and new evidence.

Independent Journalists Dril and Derek Estevez-Olsen plunge the foulest reaches of the Dark Web to pulverize society's most pressing issues with reasoned debate.

Sightings is an American paranormal and news television series that originally aired from April 17, 1992 to August 1, 1997. The program began as a special titled The UFO Report: Sightings on October 18, 1991. The original Concept Creator and Supervising Producer of that hour special produced by Paramount for Fox TV was Linda Moulton Howe, an Emmy Award-winning TV producer and documentary filmmaker of TV specials about science and the environment. One of her Emmy award-winning broadcasts was A Strange Harvest, about the worldwide animal-mutilation mystery linked by law enforcement to extraterrestrial biological entities.

Craig Charles, the BBC 6 Music Radio DJ, star of Red Dwarf and Coronation Street, hosts the show alongside world renowned space journalist astrophysicist, and award-winning author Sarah Cruddas. Craig Charles: UFO Conspiracies follows sci-fi favourite and long-time UFO enthusiast Craig and astrophysicist Sarah as they scrutinise compelling evidence relating to some of the most perplexing UFO encounters of recent years, revealing never before heard testimony to separate fact from fiction and ask: are the unexplained aerial phenomena prowling our skies extra-terrestrial?

UFO Files is an American television series that was produced from 2004 to 2007 for The History Channel. The program covers the phenomena of unidentified flying and submerged objects, close encounters with alleged extraterrestrial life, and alleged military and government cover-up conspiracies.

In 2008, a following series called UFO Hunters premiered on the same channel.

Investigates the mysteries behind declassified top secret government files with stunning details about the world's most credible UFO sightings and alien encounters. The series pieces together the data on these incidents, and tries to answer the question: what really happened?

From the beginnings of the UFO phenomena in the 1940s to the evolution of public disclosure through the subsequent decades, historian Richard Dolan highlights key events and figures from within the US government to expose obscured truths.