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Appearances
Ancient Aliens
Main cast, played by William Henry
- Episode 14x15: The Alien Mountain (Oct 4, 2019)
- Episode 16x05: The Forbidden Bible (Dec 18, 2020)
- Episode 16x06: William Shatner Meets Ancient Aliens (Feb 12, 2021)
- Episode 16x09: The UFO Pioneers (Mar 5, 2021)
- Episode 16x10: The Harmonic Code (Mar 12, 2021)
- Episode 17x01: The Lost City of Peru (Aug 6, 2021)
- Episode 17x04: The Mystery of Mount Shasta (Sep 17, 2021)
- Episode 17x05: The Human Experiment (Sep 24, 2021)
Guest cast, played by William Henry
- Episode 3x04: Aliens and Temples of Gold (Aug 18, 2011)
- Episode 3x06: Aliens and Ancient Engineers (Sep 1, 2011)
- Episode 3x11: Aliens and the Founding Fathers (Oct 5, 2011)
- Episode 3x15: Aliens, Gods and Heroes (Nov 16, 2011)
- Episode 4x04: Aliens and Mega-Disasters (Mar 2, 2012)
- Episode 4x08: The Da Vinci Conspiracy (Apr 6, 2012)
- Episode 4x09: The Time Travelers (Apr 27, 2012)
- Episode 5x01: Secrets of the Pyramids (Dec 21, 2012)
- Episode 5x03: Alien Power Plants (Jan 4, 2013)
- Episode 5x04: Destination Orion (Jan 11, 2013)
- Episode 5x11: The Viking Gods (Apr 12, 2013)
- Episode 6x01: The Power of Three (Sep 30, 2013)
- Episode 6x02: The Crystal Skulls (Oct 7, 2013)
- Episode 6x03: The Anunnaki Connection (Oct 14, 2013)
- Episode 6x04: Magic of the Gods (Oct 21, 2013)
- Episode 6x05: The Satan Conspiracy (Oct 28, 2013)
- Episode 6x06: Alien Operations (Nov 1, 2013)
- Episode 6x07: Emperors, Kings and Pharaohs (Nov 8, 2013)
- Episode 6x08: Mysterious Relics (Nov 15, 2013)
- Episode 6x09: Aliens and Forbidden Islands (Nov 29, 2013)
- Episode 6x10: Aliens and the Lost Ark (Dec 6, 2013)
- Episode 6x11: Aliens and Mysterious Mountains (Dec 13, 2013)
- Episode 7x01: Aliens and Stargates (Jan 24, 2014)
- Episode 7x02: Aliens in America (Jan 31, 2014)
- Episode 7x03: The Star Children (Feb 7, 2014)
- Episode 7x06: The Shamans (Feb 28, 2014)
- Episode 7x07: Aliens and Insects (Mar 7, 2014)
- Episode 8x01: Alien Transports (Jun 13, 2014)
- Episode 8x04: Faces of the Gods (Jul 25, 2014)
- Episode 8x05: The Reptilians (Jul 25, 2014)
- Episode 8x07: The God Particle (Aug 8, 2014)
- Episode 8x08: Alien Encounters (Aug 15, 2014)
- Episode 8x09: Aliens & Superheroes (Aug 22, 2014)
- Episode 9x01: Forbidden Caves (Oct 31, 2014)
- Episode 9x02: Mysteries of the Sphinx (Nov 7, 2014)
- Episode 9x03: Aliens Among Us (Nov 14, 2014)
- Episode 9x04: The Genius Factor (Nov 21, 2014)
- Episode 9x05: Secrets of the Mummies (Nov 28, 2014)
- Episode 9x06: Alien Resurrections (Dec 5, 2014)
- Episode 9x07: Alien Messages (Dec 19, 2014)
- Episode 9x08: The Great Flood (Dec 23, 2014)
- Episode 9x09: Aliens and the Civil War (Apr 10, 2015)
- Episode 9x11: The Vanishings (Apr 24, 2015)
- Episode 9x12: The Alien Agenda (May 1, 2015)
- Episode 10x01: Aliens B.C. (Jul 24, 2015)
- Episode 10x02: NASA's Secret Agenda (Jul 31, 2015)
- Episode 10x03: Aliens and Robots (Aug 7, 2015)
- Episode 10x04: Dark Forces (Aug 14, 2015)
- Episode 10x05: The Alien Evolution (Aug 21, 2015)
- Episode 10x06: The Other Earth (Aug 28, 2015)
- Episode 10x07: Creatures of the Deep (Sep 4, 2015)
- Episode 10x08: Circles from the Sky (Sep 18, 2015)
- Episode 10x09: The Alien Wars (Oct 2, 2015)
- Episode 10x10: The Forbidden Zones (Oct 9, 2015)
- Episode 11x01: Pyramids of Antarctica (May 6, 2016)
- Episode 11x02: Destination Mars (May 13, 2016)
- Episode 11x03: The Next Humans (May 20, 2016)
- Episode 11x04: The New Evidence (May 27, 2016)
- Episode 11x05: The Visionaries (Jun 10, 2016)
- Episode 11x06: Decoding the Cosmic Egg (Jun 17, 2016)
- Episode 11x07: The Wisdom Keepers (Jun 24, 2016)
- Episode 11x08: The Mysterious Nine (Jul 8, 2016)
- Episode 11x09: The Hidden Empire (Jul 15, 2016)
- Episode 11x10: The Prototypes (Jul 22, 2016)
- Episode 11x11: Space Station Moon (Jul 29, 2016)
- Episode 11x12: Russia's Secret Files (Aug 12, 2016)
- Episode 11x13: Beyond Roswell (Aug 19, 2016)
- Episode 11x14: The Returned (Aug 26, 2016)
- Episode 11x15: Shiva the Destroyer (Sep 2, 2016)
- Episode 12x01: The Alien Hunters (Apr 28, 2017)
- Episode 12x02: Forged by the Gods (May 5, 2017)
- Episode 12x04: The Alien Architects (May 19, 2017)
- Episode 12x05: The Pharaohs' Curse (May 26, 2017)
- Episode 12x06: The Science Wars (Jun 2, 2017)
- Episode 12x07: City of the Gods (Jun 9, 2017)
- Episode 12x08: The Alien Frequency (Jun 16, 2017)
- Episode 12x10: The Akashic Record (Jul 14, 2017)
- Episode 12x11: Voices of the Gods (Jul 21, 2017)
- Episode 12x12: The Animal Agenda (Jul 28, 2017)
- Episode 12x13: The Replicants (Aug 4, 2017)
- Episode 12x14: A Spaceship Made of Stone (Aug 11, 2017)
- Episode 12x15: The Alien Disks (Sep 8, 2017)
- Episode 12x16: Return to Gobekli Tepe (Sep 15, 2017)
- Episode 13x02: Da Vinci's Forbidden Codes (May 4, 2018)
- Episode 13x03: The Alien Protocols (May 11, 2018)
- Episode 13x04: Earth's Black Holes (May 18, 2018)
- Episode 13x05: The Desert Codes (May 25, 2018)
- Episode 13x06: Area 52 (Jun 1, 2018)
- Episode 13x07: Earth Station Egypt (Jul 20, 2018)
- Episode 13x08: Island of the Giants (Jul 27, 2018)
- Episode 13x10: The Sentinels (Aug 10, 2018)
- Episode 13x11: Russia Declassified (Aug 17, 2018)
- Episode 13x12: They Came from the Sky (Aug 24, 2018)
- Episode 13x13: The Artificial Human (Aug 31, 2018)
- Episode 13x14: The Alien Phenomenon (Jan 4, 2019)
- Episode 13x15: Return to Mars (Jan 7, 2019)