Kirk and his crew find a ‘sleeper ship’ of genetically bred superhumans, led by the ruthless 20th century dictator Khan Noonian Singh, who tries to take over the ship with the help of a 23rd century archaeologist who falls in love with him.

The Tech: eugenics, radio (ham signal - CQ), cryogenics, intercoms v. communicators, viewing screen in sickbay that ties into ship library tapes, hair doodads, literature (Milton), interstellar travel