. "During the threat of a possible real alien threat on Sly Moon Prime, Ridley theorised what might happen if an alien invasion occurred."@en . . . . . "Alien fleet (Scooby-Doo! Moon Monster Madness)"@en . . "During the threat of a possible real alien threat on Sly Moon Prime, Ridley theorised what might happen if an alien invasion occurred."@en . . .