A landing party from the Enterprise is exposed to strange form of radiation which rapidly ages them.
Episode rating
Cast of episode
61
18
10
9
1
- Captain James Tiberius 'Jim' Kirk
- Mister Spock
- Dr. McCoy
- Chekov
- Uhura
- Scott
- Sulu
- Commodore Stocker
- Janet Wallace
- Nurse Chapel
- Mr. Johnson
- Yeoman Atkins
- Mrs. Johnson
- Arlene Galway
- Lt. Brent
- Lt. Lemli
- Lieutenant Leslie
- Enterprise Lieutenant