About this programme
For centuries, cultures around the world have believed in stargates through which beings have travelled to Earth - but could such portals truly exist.
Programme listing
Ancient Aliens
Unlocking the Stargates
Other airings
Thu 16 Jul
23:00Ancient Aliens
The New UFO HuntersSky History2Fri 17 Jul
00:00Ancient Aliens
The Power of the TalismanSky History2Fri 17 Jul
06:00Ancient Aliens
The Top Ten Alien InfluencersSky History2Fri 17 Jul
07:00Ancient Aliens
The Top Ten Extraordinary CreaturesSky History2Fri 17 Jul
11:00Ancient Aliens
The Top Ten Alien InfluencersSky History2Fri 17 Jul
12:00Ancient Aliens
The Top Ten Extraordinary CreaturesSky History2Fri 17 Jul
16:05Ancient AliensBLAZEFri 17 Jul
23:00Ancient Aliens
The Top Ten Alien InfluencersSky History2Sat 18 Jul
00:00Ancient Aliens
Mysteries of the Norse GodsSky HistorySat 18 Jul
00:00Ancient Aliens
The Top Ten Extraordinary CreaturesSky History2Sat 18 Jul
06:00Ancient Aliens
Aliens & SuperheroesSky History2Sat 18 Jul
07:00Ancient Aliens
Tesla ExperimentSky History2
23:00Ancient Aliens
The New UFO HuntersSky History2Fri 17 Jul
00:00Ancient Aliens
The Power of the TalismanSky History2Fri 17 Jul
06:00Ancient Aliens
The Top Ten Alien InfluencersSky History2Fri 17 Jul
07:00Ancient Aliens
The Top Ten Extraordinary CreaturesSky History2Fri 17 Jul
11:00Ancient Aliens
The Top Ten Alien InfluencersSky History2Fri 17 Jul
12:00Ancient Aliens
The Top Ten Extraordinary CreaturesSky History2Fri 17 Jul
16:05Ancient AliensBLAZEFri 17 Jul
23:00Ancient Aliens
The Top Ten Alien InfluencersSky History2Sat 18 Jul
00:00Ancient Aliens
Mysteries of the Norse GodsSky HistorySat 18 Jul
00:00Ancient Aliens
The Top Ten Extraordinary CreaturesSky History2Sat 18 Jul
06:00Ancient Aliens
Aliens & SuperheroesSky History2Sat 18 Jul
07:00Ancient Aliens
Tesla ExperimentSky History2