📺On October 23, 1975, ‘Space: 1999’ aired ‘Dragon’s Domain,’ an episode still remembered as pure nightmare fuel. The story follows a traumatized astronaut as Moonbase Alpha approaches a graveyard of derelict spaceships, home to a horrifying, tentacled, one-eyed creature that hypnotizes its victims before consuming them and leaving behind charred remains. The episode became one of the series’ most notorious outings, delivering some of the most disturbing monster imagery in 1970s science-fiction television