A couple additions to my old "Star Trek and 1960s Design" series.
["American astronauts are drawn by a mysterious force to the planet Venus, which they find to be inhabited only by beautiful women and their despotic queen. "]
Above, bottom: Star Trek "Plato's Stepchildren" (gets my vote for worst episode ever, 1969)
Above, top: Hercules and the Captive Women (1961, Italy/France, watch it here)
Above, bottom: Star Trek, "Arena" (1967)