Kirk and psychiatrist Helen Noel are trapped on a maximum security penal colony that experiments with mind control and Spock must use the Vulcan mind-meld to find a way to save them.
Episode rating
Cast of episode
- Captain James Tiberius 'Jim' Kirk
- Mister Spock
- Dr. Tristan Adams
- Dr. McCoy
- Captain Tracey
- Helen Noel
- Uhura
- Lethe
- Ingenieur Fields
- Berkeley
- Barber
- Therapist
- Lt. Brent
- Klingon Soldier
- 1st Technician
- Starbase 11 Bar Patron
- Command Lieutenant
- Lieutenant Leslie