The Enterprise receives an old style SOS signal and finds on arrival a planet that is virtually identical to Earth. Kirk, Spock, McCoy and Yeoman Rand beam down to the planet only to find that it is inhabited solely by children. Kirk befriends one of the older children, Miri, but they soon learn that experiments to prolong life killed all of the adults and that the children will also die when they reach puberty. They also learn that the children are in fact, very old. Soon, the landing party contracts the virus and has seven days to find a cure. Written by
Did You Know?
When the team first beams down they are standing in downtown Mayberry with the courthouse in the background along with Floyd's Barber Shop. The building just behind them was used as a bank and Walker's Drug Store. See more
At the end, Captain Kirk tells Mr. Spock, "Full ahead, warp factor one" which Spock repeats back to him, however, Mr. Spock is sitting at the science station (his normal station) and not at the helm, which is where the ship's movements are controlled. While Spock is not at the helm, this exchange is reflective of Naval command structure where the Captain tells the First Officer what he wants done and the First Officer orders the Crew. This was not the normal for Star Trek
The Original Series as it progressed, but it reappeared in Star Trek: The Next Generation
with Number One giving the orders. See more
You two will have to recreate their thinking. If you can isolate that virus, you'll be able to develop a vaccine.
[Spock and McCoy trade incredulous looks
Is that all, Captain? We have five days, you know.