For over 15 years, Mr. Martell has been one of the leading researchers and lectures specializing in ancient civilization technologies. Mr Martell's research has been featured worldwide on numerous television and radio networks such as The Discovery Channel, Syfy Channel, and the BBC. He is currently a regular guest on the show "Ancient Aliens" on the History Channel.
| Movie | Ancient Astronauts: The Gods from Planet X | 2011 |
| Movie | Ancient Astronauts: Our Extraterrestrial Legacy | 2011 |
| Movie | Ancient Astronauts: The Gods from Planet X | 2011 |
| Movie | Ancient Astronauts: Our Extraterrestrial Legacy | 2011 |
| Movie | Ancient Astronauts: The Gods from Planet X | 2011 |
| Movie | Ancient Astronauts: Our Extraterrestrial Legacy | 2011 |
| Movie | Ancient Astronauts: The Gods from Planet X | 2011 |
| Episode |
Ancient Aliens The Greys |
2012 |
| Episode |
Ancient Aliens Aliens and Sacred Places |
2011 |
| Episode |
Ancient Aliens Aliens and Dinosaurs |
2012 |
| Episode |
Ancient Aliens The Hidden Empire |
2016 |
| Episode |
Ancient Aliens Decoding the Cosmic Egg |
2016 |
| Episode |
Ancient Aliens Aliens and Insects |
2014 |
| Episode |
Ancient Aliens Secrets of the Exoplanets |
2019 |
| Episode |
Ancient Aliens Aliens and Temples of Gold |
2011 |
| Episode |
Ancient Aliens Aliens Among Us |
2014 |
| Episode |
Ancient Aliens Forbidden Caves |
2014 |
| Episode |
Ancient Aliens Gods & Aliens |
2010 |
| Episode |
Ancient Aliens The Nuclear Agenda |
2019 |
| Episode |
Ancient Aliens The Star Children |
2014 |
| Episode |
Ancient Aliens They Came from the Sea |
2019 |
| Episode |
Ancient Aliens The Reptilian Agenda |
2019 |
| Episode |
Ancient Aliens Emperors, Kings and Pharaohs |
2013 |
| Episode |
Ancient Aliens Alien Evolution |
2015 |
| Episode |
Ancient Aliens Russia Declassified |
2018 |
| Episode |
Ancient Aliens Secrets of the Tombs |
2013 |
| Episode |
Ancient Aliens The Great Flood |
2014 |
| Episode |
Ancient Aliens Aliens and Deadly Cults |
2011 |
| Episode |
Ancient Aliens Beyond Nazca |
2013 |
| Episode |
Ancient Aliens The Tesla Experiment |
2014 |
| Episode |
Ancient Aliens Aliens and Ancient Engineers |
2011 |
| Episode |
Ancient Aliens The Pharaohs' Curse |
2017 |
| Episode |
Ancient Aliens Aliens and Lost Worlds |
2011 |
| Episode |
Ancient Aliens Island of the Giants |
2018 |
| Episode |
Ancient Aliens Forged by the Gods |
2017 |
| Episode |
Ancient Aliens William Shatner Meets Ancient Aliens |
2021 |
| Episode |
Ancient Aliens Treasures of the Gods |
2014 |
| Episode |
Ancient Aliens Prophets and Prophecies |
2013 |
| Episode |
Beyond Belief With George Noory Clues of the Sun's Twin |
2017 |
| Episode |
Ancient Aliens Aliens and Stargates |
2014 |
| Episode |
Ancient Aliens Aliens and the Secret Code |
2011 |
| Episode |
Ancient Aliens The Next Humans |
2016 |
| Episode |
Ancient Aliens The Einstein Factor |
2013 |
| Episode |
Ancient Aliens They Came from the Sky |
2018 |
| Episode |
Ancient Aliens Aliens, Gods and Heroes |
2011 |
| Episode |
Ancient Aliens Aliens and Monsters |
2011 |
| Episode |
Ancient Aliens A Spaceship Made of Stone |
2017 |
| Episode |
Ancient Aliens The Other Earth |
2015 |
| Episode |
Ancient Aliens Mysteries of the Sphinx |
2014 |
| Episode |
Ancient Aliens Aliens in America |
2014 |
| Episode |
Ancient Aliens Alien Encounters |
2014 |
| Episode |
Ancient Aliens Alien Wars |
2015 |
| Episode |
Ancient Aliens Alien Resurrections |
2014 |
| Episode |
Ancient Aliens Strange Abductions |
2013 |
| Episode |
Ancient Aliens Hidden Pyramids |
2015 |
| Episode |
Ancient Aliens Alien Tech |
2010 |
| Episode |
Ancient Aliens Mysterious Places |
2010 |
| Episode |
Ancient Aliens Alien Contacts |
2010 |
| Episode |
Ancient Aliens Alien Operations |
2013 |
| Episode |
Ancient Aliens Aliens and Cover-Ups |
2012 |
| Episode |
Ancient Aliens Alien Devastations |
2010 |
| Episode |
Ancient Aliens The Mystery of the Stone Giants |
2020 |
| Episode |
Ancient Aliens The New Evidence |
2016 |
| Episode |
Ancient Aliens Unexplained Structures |
2010 |
| Episode |
Ancient Aliens Aliens and The Lost Ark |
2013 |
| Episode |
Ancient Aliens The von Daniken Legacy |
2013 |
| Episode |
Ancient Aliens The Constellation Code |
2019 |
| Episode |
Ancient Aliens The Replicants |
2017 |
| Episode |
Ancient Aliens Aliens and Mysterious Rituals |
2011 |
| Episode |
Ancient Aliens The Alien Phenomenon |
2019 |
| Episode |
Ancient Aliens Giants of the Mediterranean |
2020 |
| Episode |
Ancient Aliens Earth Station Egypt |
2018 |
| Episode |
Ancient Aliens Creatures of the Deep |
2015 |
| Episode |
Ancient Aliens Aliens and Superheroes |
2014 |
| Episode |
Ancient Aliens They Came from The Pleiades |
2020 |
| Episode |
Ancient Aliens The Alien Frequency |
2017 |
| Episode |
Ancient Aliens Return to Mars |
2019 |
| Episode |
Ancient Aliens Impossible Artifacts |
2021 |
| Episode |
Ancient Aliens Alien Power Plants |
2013 |
| Episode |
Ancient Aliens Faces of the Gods |
2014 |
| Episode |
Ancient Aliens Aliens and Mega-Disasters |
2012 |
| Episode |
Ancient Aliens Angels and Aliens |
2010 |
| Episode |
Ancient Aliens The Alien Mountain |
2019 |
| Episode |
The UnXplained The Power Of Gold |
2021 |
| Episode |
Ancient Aliens The Anunnaki Connection |
2013 |
| Episode |
Ancient Aliens Underground Aliens |
2010 |
| Episode |
Ancient Aliens The Reptilians |
2014 |
| Episode |
Ancient Aliens The Viking Gods |
2013 |
| Episode |
Ancient Aliens Secrets of the Pyramids |
2012 |
| Episode |
Ancient Aliens Secrets of the Maya |
2019 |
| Episode |
Ancient Aliens Aliens and Bigfoot |
2012 |
| Episode |
Ancient Aliens The Star Gods of Sirius |
2019 |
| Episode |
Ancient Aliens Human Hieroglyphs |
2019 |
| Episode |
Ancient Aliens Aliens and the Creation of Man |
2011 |
| Episode |
Ancient Aliens The God Particle |
2014 |
