Stardate: 3478.2, 3579.4--Kirk and a landing party investigate a colony on Gamma Hydra 4 and find that most of the residents have died... of old age!They bring the last few survivors on board the Enterprise where they also die.
Meantime, it becomes apparent that everyone from the landing party is showing the same signs of accelerated aging. Only Chekov appears immune and they must find a cure before they all die of old age.
original airdate--December 8, 1967
music:"Theme from Star Trek" "Where No Man Has Gone Before" by Alexander Courage
Alien Races: Romulans
Trivia--Gamma Hydra Four is a Class-M planet with a conventional oxygen-nitrogen atmosphere and normal mass.
Space: the final frontier. These are the voyages of the starship Enterprise. Its five-year mission: to explore strange new worlds, to seek out new life and new civilizations, to boldly go where no man has gone before.
Klingon: logh: HeH Qav'e'. DaH 'entepray' Duj lengmey lutalu'. Qu' vagh-DIS: Huj chu' qo', yISam yIn tayqeq chu', vay' boldly nuqDaq V pagh 'ej explore.