Two astronauts, Fuji and Glenn, are sent to investigate the surface of the mysterious "Planet X" recently detected on the far side of Jupiter. There they encounter advanced and seemingly benevolent human-like beings called the Xiliens and their leader, the Controller. The aliens usher the astronauts into their underground base, and moments later the surface is attacked by a creature that the Xiliens call "Monster Zero", but which the astronauts recognize as King Ghidorah, a planet-destroying monster that had attacked Earth once before. (1965) — Sgt. Tiki
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