While on patrol in deep space, Captain Kirk and his crew find and revive a genetically engineered world conqueror and his compatriots from Earth's 20th century.
Episode rating
Cast of episode
- Captain James Tiberius 'Jim' Kirk
- Mister Spock
- Khan
- Marla
- Dr. McCoy
- Scott
- Singh
- Uhura
- Joaquin
- Crew Woman
- Lt. Kyle
- Ingenieur Fields
- Guard
- Lieutenant Hadley
- Augment
- Otto
- Lt. Brent
- Female Guard
- Lieutenant Leslie
- Crewwoman
- Enterprise Lieutenant
- Crewman
- Nurse