After the Enterprise is forced to destroy a dangerous marker buoy, a gigantic alien ship arrives to capture and condemn the crew as trespassers.
Episode rating
Cast of episode
- Captain James Tiberius 'Jim' Kirk
- Mister Spock
- Dave Bailey
- Balok
- Dr. McCoy
- Yeoman Rand
- Sulu
- Scott
- Uhura
- Nurse Chapel
- Lieutenant Hadley
- Balok's Puppet
- Lt. Brent
- Balok
- Yeoman
- Brenner
- Lieutenant Leslie
- Enterprise Lieutenant
- Crewman
- Crewman