The Enterprise answers a distress call from Federation Outpost #4, a monitoring station on the Federation side of the neutral zone with the Romulan Empire. The outposts w ...

Captain Kirk is informed by his old friend, Dr. Thomas Leighton, that the head of a Shakespearean acting troupe on his world was once known as Kodos the Executioner. As G ...

In a section of unexplored space, the Enterprise comes across a marker of sorts that will not let it pass. They destroy the marker and move on but soon find themselves in ...

The Enterprise receives an old style SOS signal and finds on arrival a planet that is virtually identical to Earth. Kirk, Spock, McCoy and Yeoman Rand beam down to the pl ...

While beaming back aboard the Enterprise, a transporter malfunction results in two vastly different Captain Kirks being beamed aboard. His personality has in effect been ...

When Lieutenant Junior Grade Tormolen brings aboard an infection that killed the science team on Psi 2000, the crew of the Enterprise soon find themselves unable to contr ...

The space vessel Antares rescues Charles Evans from the forbidding surface of the planet Thasus, and then hurriedly hands him off to the Enterprise. Soon, mysterious happ ...

In the series premiere, the Enterprise visits planet M-113 where scientists Dr. Crater and his wife Nancy, an old girlfriend of Dr. McCoy, are studying the remains of an ...